{"id":2314,"date":"2026-03-09T12:38:51","date_gmt":"2026-03-09T12:38:51","guid":{"rendered":"https:\/\/nirotec.de\/products\/special-parts-and-drawing-parts\/"},"modified":"2026-10-23T16:40:45","modified_gmt":"2026-10-23T16:40:45","slug":"special-parts-and-drawing-parts","status":"publish","type":"page","link":"https:\/\/nirotec.de\/en\/products\/special-parts-and-drawing-parts\/","title":{"rendered":"Special parts and drawing parts"},"content":{"rendered":"<div class=\"et_pb_section_0 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-hero preset--module--divi-section--default\">\r\n<div class=\"et_pb_row_0 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_0 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<h1>Special and drawing parts made to your drawing<\/h1>\n<p class=\"nrt-lead\">Pipe fittings beyond standard product ranges \u2013 manufactured, tested and fully documented by the manufacturer in Unna, Germany.<\/p>\n<div class=\"nrt-kpis\">\n<div class=\"nrt-kpi\"><b>610 mm<\/b><span>Outside diameter<br \/>up to<\/span><\/div>\n<div class=\"nrt-kpi\"><b>100 mm<\/b><span>Wall thickness<br \/>up to<\/span><\/div>\n<div class=\"nrt-kpi\"><b>1,500 t<\/b><span>Press force<br \/>(150 \u2013 1,500 t)<\/span><\/div>\n<div class=\"nrt-kpi\"><b>3.1 \/ 3.2<\/b><span>Inspection certificate<br \/>to EN 10204<\/span><\/div>\n<\/div>\n<div class=\"nrt-btns\"><a class=\"nrt-btn nrt-btn-y\" href=\"#anfrage\"><span>Send your drawing<\/span><\/a><a class=\"nrt-btn nrt-btn-o\" href=\"#ablauf\"><span>How it works<\/span><\/a><\/div>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_1 et_pb_section et_section_regular et_flex_section nrt-sp preset--module--divi-section--default\">\r\n<div class=\"et_pb_row_1 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_1 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<div class=\"nrt-g57 nrt-mb48\">\n<div>\n<h2>What are special and drawing parts?<\/h2>\n<p class=\"nrt-intro\"><strong>In short:<\/strong> Special and drawing parts are pipe fittings and piping components outside standardised product ranges. They are made on the basis of technical drawings, project-specific specifications or individual customer requirements \u2013 whenever geometry, wall thickness, material or documentation requirements cannot be covered by standard components.<\/p>\n<\/div>\n<p><img class=\"nrt-cut\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/Sonderteil-Rohrbogen.jpg\" alt=\"Special elbow made to customer drawing by Nirotec\" width=\"1920\" height=\"1080\" loading=\"lazy\" decoding=\"async\"><\/div>\n<h3>Typical applications<\/h3>\n<ul class=\"nrt-ml nrt-ml-2\">\n<li><span>Pipe fittings with geometries outside EN 10253 \/ ASME B16.9<\/span><\/li>\n<li><span>Special radii (e.g. 2D, 4D, 5D), custom angles, asymmetrical designs<\/span><\/li>\n<li><span>Type B components with increased wall thickness for safety-critical systems<\/span><\/li>\n<li><span>Extended ends, connections or nozzles to drawing<\/span><\/li>\n<li><span>Heavy-wall designs beyond the standard tables<\/span><\/li>\n<li><span>Combined components from forming and machining<\/span><\/li>\n<li><span>Spare parts for existing plants without a valid standard<\/span><\/li>\n<li><span>Prototypes and first articles for new plants<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_2 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-tight preset--module--divi-section--default\">\r\n<div class=\"et_pb_row_2 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_2 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_2 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<h2>Special and drawing parts at a glance<\/h2>\n<p class=\"nrt-sub\">The key technical data \u2013 as compact as a works data sheet.<\/p>\n<dl class=\"nrt-sheet\">\n<div class=\"nrt-cell\">\n<dt>Designs<\/dt>\n<dd>Special radii (e.g. 2D, 4D, 5D), custom angles, Type B to EN 10253-2 (elbows and tees), transition pieces, combination parts, eccentric bends, heavy-wall caps, components to customer drawing<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Manufacturing<\/dt>\n<dd>Hot and cold forming on hydraulic presses from 150 to 1,500 t, machining (turning, milling, drilling), welding to WPS \/ ASME IX \/ EN ISO 15614, heat treatment (volume up to 10 m\u00b3)<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Dimensions<\/dt>\n<dd>Outside diameter up to 610 mm, wall thickness up to 100 mm<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Materials<\/dt>\n<dd>Carbon and low-alloy steels, low-temperature steels, creep-resistant steels incl. P91 \/ P92, austenitic stainless steels, duplex \/ super duplex, nickel alloys, special materials on request<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Standards<\/dt>\n<dd>EN 10253-2, ASME B16.9, ASME B31.1 \/ B31.3, EN ISO 15614, ASME IX as well as customer-specific drawings and specifications<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Testing<\/dt>\n<dd>Individual ITP, visual and dimensional inspection as standard; NDT (RT, UT, MT, PT), PMI, material testing and third-party inspection on request; verification of t<sub>int<\/sub>, T<sub>s<\/sub> and T<sub>b<\/sub> dimensions for Type B components<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Documentation<\/dt>\n<dd>Inspection certificate to EN 10204 3.1 or 3.2, full material traceability, dimensional inspection report to drawing<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Certifications<\/dt>\n<dd>DIN EN ISO 9001:2015, ISO 19443:2018 (nuclear)<\/dd>\n<\/div>\n<div class=\"nrt-cell\">\n<dt>Quantities<\/dt>\n<dd>Single parts, small batches, prototypes and first articles<\/dd>\n<\/div>\n<\/dl>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_3 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-dark preset--module--divi-section--default\" id=\"ablauf\">\r\n<div class=\"et_pb_row_3 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_3 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_3 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<h2>How does an inquiry for drawing parts work?<\/h2>\n<p class=\"nrt-sub\">From drawing to delivery with inspection certificate \u2013 in five steps.<\/p>\n<ol class=\"nrt-steps3\">\n<li class=\"nrt-step nrt-step-first\"><span class=\"nrt-n\">01<\/span><br \/>\n<h3>Send your inquiry<\/h3>\n<p>Drawing or component description with main dimensions, material, operating conditions, quantity and required delivery date \u2013 directly via the form below.<\/p>\n<\/li>\n<li class=\"nrt-step\"><span class=\"nrt-n\">02<\/span><br \/>\n<h3>Technical review<\/h3>\n<p>We check feasibility, manufacturing method, material and scope of testing and get back to you with an assessment.<\/p>\n<\/li>\n<li class=\"nrt-step\"><span class=\"nrt-n\">03<\/span><br \/>\n<h3>Quotation<\/h3>\n<p>Quotation including scope of testing and documentation \u2013 with a project-specific ITP on request.<\/p>\n<\/li>\n<li class=\"nrt-step\"><span class=\"nrt-n\">04<\/span><br \/>\n<h3>Manufacturing &amp; testing<\/h3>\n<p>Manufactured in Unna to drawing and ITP \u2013 with first article inspection and approval, and third-party inspection on request.<\/p>\n<\/li>\n<li class=\"nrt-step\"><span class=\"nrt-n\">05<\/span><br \/>\n<h3>Delivery<\/h3>\n<p>With inspection certificate to EN 10204 3.1 or 3.2 and complete documentation \u2013 seaworthy packaging on request.<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_4 et_pb_section et_section_regular et_flex_section nrt-sp preset--module--divi-section--default\">\r\n<div class=\"et_pb_row_4 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_4 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_4 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<div class=\"nrt-g75 nrt-mb56\"><img class=\"nrt-cut\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/JK_1008_v2_FulRes-1536x1025.jpg\" alt=\"Manufacturing pipe fittings on the press\" width=\"1536\" height=\"1025\" loading=\"lazy\" decoding=\"async\"><\/p>\n<div>\n<h2>Manufacturing &amp; technical capabilities<\/h2>\n<p class=\"nrt-intro\">Our special and drawing parts are made from seamless pipes, forgings or plates and, depending on requirements, hot or cold formed and machined \u2013 on hydraulic presses from 150 to 1,500 t. Each part follows an individually designed process, matched to geometry, material and application.<\/p>\n<p>Our in-house tool and die shop makes new dies and tools for special geometries \u2013 right here in Unna.<\/p>\n<\/div>\n<\/div>\n<div class=\"nrt-g3\">\n<div>\n<h3>Manufacturing methods \u2013 individually or combined<\/h3>\n<ul class=\"nrt-ml\">\n<li><span>Hot forming \u2013 heavy walls, creep-resistant steels, special geometries (up to 1,500 t press, wall thickness up to 100 mm)<\/span><\/li>\n<li><span>Cold forming \u2013 smaller dimensions, austenitic steels, high dimensional accuracy<\/span><\/li>\n<li><span>Machining \u2013 turning, milling, drilling for precision parts and sealing faces<\/span><\/li>\n<li><span>Welding and machining to WPS \/ ASME IX \/ EN ISO 15614 \u2013 for transition pieces and combination parts<\/span><\/li>\n<li><span>Blasting, pickling, coating<\/span><\/li>\n<li><span>Heat treatment in our own furnace (volume up to 10 m\u00b3)<\/span><\/li>\n<li><span>Seaworthy packaging for international shipping<\/span><\/li>\n<\/ul>\n<\/div>\n<div>\n<h3>Possible designs to customer requirements<\/h3>\n<ul class=\"nrt-ml\">\n<li><span>Fittings to drawing<\/span><\/li>\n<li><span>Special radii (e.g. 2D, 4D, 5D) and custom angles<\/span><\/li>\n<li><span>Elbows and tees in Type B to EN 10253-2<\/span><\/li>\n<li><span>Eccentric and complex geometries<\/span><\/li>\n<li><span>Transition pieces and combination parts<\/span><\/li>\n<li><span>Heavy-wall components and caps beyond the standard tables<\/span><\/li>\n<li><span>Extended ends, nozzles and connections to drawing<\/span><\/li>\n<li><span>Prototypes and first articles<\/span><\/li>\n<li><span>Spare parts for existing plants<\/span><\/li>\n<\/ul>\n<\/div>\n<div>\n<h3>Standards &amp; codes<\/h3>\n<p class=\"nrt-small\">Special parts are manufactured and documented to the codes applicable to each project:<\/p>\n<ul class=\"nrt-ml\">\n<li><span>EN 10253-2 \/ ASME B16.9 \u2013 as a basis with project-specific deviations<\/span><\/li>\n<li><span>EN ISO 15614 \/ ASME IX \u2013 qualification of welding procedures<\/span><\/li>\n<li><span>ASME B31.1 \/ B31.3 \u2013 Power Piping \/ Process Piping<\/span><\/li>\n<li><span>EN 13480 \u2013 Metallic industrial piping<\/span><\/li>\n<li><span>ASME B31.12 \u2013 Hydrogen Piping<\/span><\/li>\n<li><span>KTA 3201 \/ RCC-M \u2013 nuclear technology<\/span><\/li>\n<li><span>NORSOK M-630 \u2013 offshore projects<\/span><\/li>\n<li><span>Customer-specific drawings and specifications<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_5 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-tight preset--module--divi-section--default\">\r\n<div class=\"et_pb_row_5 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_5 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_5 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<div class=\"nrt-g57\">\n<div>\n<h2>Materials<\/h2>\n<p class=\"nrt-intro\">We manufacture special fittings from all materials available at Nirotec \u2013 special materials on request; in principle, all weldable materials are possible. All materials are fully traceable and supplied with an inspection certificate to EN 10204 3.1 or 3.2.<\/p>\n<p class=\"nrt-mb28\"><a class=\"nrt-link\" href=\"https:\/\/nirotec.de\/en\/materials\/\">All materials at a glance \u2192<\/a><\/p>\n<p><img class=\"nrt-cut nrt-cut-s\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/Werkstoffe-background-1536x864.jpg\" alt=\"Hot forming of a pipe fitting at Nirotec\" width=\"1536\" height=\"864\" loading=\"lazy\" decoding=\"async\"><\/div>\n<div class=\"nrt-tabs\"><input type=\"radio\" name=\"nrt-mat\" id=\"nrt-mat-0\" checked><input type=\"radio\" name=\"nrt-mat\" id=\"nrt-mat-1\"><input type=\"radio\" name=\"nrt-mat\" id=\"nrt-mat-2\"><input type=\"radio\" name=\"nrt-mat\" id=\"nrt-mat-3\"><input type=\"radio\" name=\"nrt-mat\" id=\"nrt-mat-4\"><input type=\"radio\" name=\"nrt-mat\" id=\"nrt-mat-5\"><input type=\"radio\" name=\"nrt-mat\" id=\"nrt-mat-6\"><\/p>\n<div class=\"nrt-tabbar\"><label for=\"nrt-mat-0\">Unalloyed \/ low-alloy<\/label><label for=\"nrt-mat-1\">Low temperature<\/label><label for=\"nrt-mat-2\">Creep-resistant<\/label><label for=\"nrt-mat-3\">Austenitic<\/label><label for=\"nrt-mat-4\">Duplex<\/label><label for=\"nrt-mat-5\">Nickel<\/label><label for=\"nrt-mat-6\">CuNi &amp; special<\/label><\/div>\n<div class=\"nrt-pane nrt-pane-0\">\n<h3 class=\"nrt-vh\">Unalloyed and low-alloy steels<\/h3>\n<ul>\n<li>P235GH \/ 1.0345<\/li>\n<li>P265GH \/ 1.0425<\/li>\n<li>P355GH \/ 1.0566<\/li>\n<li>L360 \/ 1.0582 \/ API 5L X52<\/li>\n<li>L415 \/ 1.8972 \/ API 5L X60<\/li>\n<li>WPB \/ A234 WPB \/ Carbon Steel<\/li>\n<li>WPHY70 \/ A860 WPHY70<\/li>\n<\/ul>\n<\/div>\n<div class=\"nrt-pane nrt-pane-1\">\n<h3 class=\"nrt-vh\">Low-temperature steels<\/h3>\n<ul>\n<li>WPL3 \/ A420 WPL3<\/li>\n<li>WPL6 \/ A420 WPL6<\/li>\n<li>LF2 \/ A350 LF2<\/li>\n<li>P355NL2<\/li>\n<li>P460NL2<\/li>\n<li>10Ni14<\/li>\n<li>12Ni14 \/ 1.5637<\/li>\n<\/ul>\n<\/div>\n<div class=\"nrt-pane nrt-pane-2\">\n<h3 class=\"nrt-vh\">Creep-resistant steels<\/h3>\n<ul>\n<li>16Mo3 \/ 1.5415<\/li>\n<li>WP11 \/ P11 \/ 1.7335 \/ 13CrMo4-5<\/li>\n<li>WP22 \/ P22 \/ 1.7380 \/ 10CrMo9-10<\/li>\n<li>WP91 \/ P91 \/ 1.4903 \/ X10CrMoVNb9-1<\/li>\n<li>WP92 \/ P92 \/ 1.4901 \/ X10CrWMoVNb9-2<\/li>\n<li>X20 \/ 1.4922 \/ X20CrMoV11-1<\/li>\n<li>WB36 \/ 1.6368 \/ 15NiCuMoNb5<\/li>\n<\/ul>\n<\/div>\n<div class=\"nrt-pane nrt-pane-3\">\n<h3 class=\"nrt-vh\">Austenitic stainless steels<\/h3>\n<ul>\n<li>304 \/ 1.4301 \/ X5CrNi18-10 \/ V2A<\/li>\n<li>304L \/ 1.4307 \/ X2CrNi18-9 \/ TP304L \/ WP304L<\/li>\n<li>316L \/ 1.4404 \/ X2CrNiMo17-12-2 \/ TP316L \/ WP316L \/ V4A<\/li>\n<li>316Ti \/ 1.4571 \/ X6CrNiMoTi17-12-2 \/ TP316Ti \/ WP316Ti<\/li>\n<li>321 \/ 1.4541 \/ X6CrNiTi18-10 \/ TP321 \/ WP321<\/li>\n<li>347H \/ 1.4912 \/ X7CrNiNb18-10 \/ TP347H \/ WP347H<\/li>\n<li>310S \/ 1.4845 \/ X8CrNi25-21 \/ TP310S \/ WP310S<\/li>\n<\/ul>\n<\/div>\n<div class=\"nrt-pane nrt-pane-4\">\n<h3 class=\"nrt-vh\">Duplex and super duplex<\/h3>\n<ul>\n<li>Duplex \/ 1.4462 \/ X2CrNiMoN22-5-3 \/ UNS S31803 \/ F51<\/li>\n<li>Super Duplex \/ 1.4410 \/ X2CrNiMoN25-7-4 \/ UNS S32750 \/ F53<\/li>\n<li>Super Duplex \/ 1.4501 \/ X2CrNiMoCuWN25-7-4 \/ UNS S32760 \/ F55<\/li>\n<li>254SMO \/ 1.4547 \/ X1CrNiMoCuN20-18-7 \/ UNS S31254<\/li>\n<li>Alloy 926 \/ 1.4529 \/ X1NiCrMoCuN25-20-7 \/ UNS N08926<\/li>\n<li>904L \/ 1.4539 \/ X1NiCrMoCu25-20-5 \/ UNS N08904 \/ 2RK65<\/li>\n<\/ul>\n<\/div>\n<div class=\"nrt-pane nrt-pane-5\">\n<h3 class=\"nrt-vh\">Nickel alloys<\/h3>\n<ul>\n<li>Monel 400 \/ 2.4360 \/ UNS N04400<\/li>\n<li>Alloy 625 \/ 2.4856 \/ UNS N06625 \/ Inconel 625<\/li>\n<li>Alloy 825 \/ 2.4858 \/ UNS N08825 \/ Incoloy 825<\/li>\n<li>Alloy C-276 \/ 2.4819 \/ UNS N10276 \/ Hastelloy C-276<\/li>\n<li>Alloy 718 \/ 2.4668 \/ UNS N07718<\/li>\n<li>Alloy 800H \/ 1.4876H \/ UNS N08810<\/li>\n<li>Alloy C-22 \/ 2.4602 \/ UNS N06022 \/ Hastelloy C-22<\/li>\n<\/ul>\n<\/div>\n<div class=\"nrt-pane nrt-pane-6\">\n<h3 class=\"nrt-vh\">Copper-nickel and special materials<\/h3>\n<ul>\n<li>CuNi10Fe1Mn \/ 2.0872 \/ C70600 \/ CuNi 90\/10<\/li>\n<li>CuNi 70\/30 \/ 2.0882 \/ C71500<\/li>\n<li>Zirconium 702 \/ UNS R60702<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_6 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-tight preset--module--divi-section--default\">\r\n<div class=\"et_pb_row_6 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_6 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_6 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<div class=\"nrt-g75\"><img class=\"nrt-cut\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/Flanschen-Qualitaet-1536x864.jpg\" alt=\"Dimensional inspection of a flange\" width=\"1536\" height=\"864\" loading=\"lazy\" decoding=\"async\"><\/p>\n<div>\n<h2>Quality testing &amp; documentation<\/h2>\n<p class=\"nrt-intro nrt-mb22\">Every special part is tested and documented according to an individual Inspection and Test Plan (ITP) \u2013 matched to the applicable code, pressure equipment category and customer requirements.<\/p>\n<ul class=\"nrt-ml\">\n<li><span>First article inspection and approval<\/span><\/li>\n<li><span>Visual and dimensional inspection (standard), dimensional inspection report to drawing<\/span><\/li>\n<li><span>Inspection certificates to EN 10204 (3.1 \/ 3.2)<\/span><\/li>\n<li><span>Non-destructive testing (RT, UT, MT, PT), PMI and material testing (tensile, impact, hardness) on request<\/span><\/li>\n<li><span>Verification of t<sub>int<\/sub>, T<sub>s<\/sub> and T<sub>b<\/sub> dimensions for Type B components<\/span><\/li>\n<li><span>Third-party inspection by T\u00dcV, SGS, Bureau Veritas, DNV or customer inspectors<\/span><\/li>\n<li><span>Full material traceability<\/span><\/li>\n<\/ul>\n<p class=\"nrt-mt18\"><a class=\"nrt-link\" href=\"https:\/\/nirotec.de\/en\/certificates-and-approvals\/\">Certificates and approvals \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_7 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-sectors preset--module--divi-section--default\">\n<div class=\"et_pb_row_7 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\n<div class=\"et_pb_column_7 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\n<div class=\"et_pb_text_7 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap nrt-center\">\n<h2>In use worldwide<\/h2>\n<p class=\"nrt-sub\">Special parts from Nirotec are used wherever standard pipe fittings are not sufficient. Custom-made piping components are particularly important in projects with high technical requirements, small quantities or complex plant structures.<\/p>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_row_8 et_pb_row et_flex_row nrt-sp-row nrt-sec-row preset--module--divi-row--default\">\n<div class=\"et_pb_column_8 et_pb_column et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sec preset--module--divi-column--default\">\n<div class=\"et_pb_text_8 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p><a class=\"nrt-sec-link\" href=\"https:\/\/nirotec.de\/en\/applications\/energy-and-power-plant-systems\/\"><span class=\"nrt-sec-t\">Energy &amp; Power Plants<\/span><span class=\"nrt-more\">Learn more \u2192<\/span><\/a><\/p>\n<\/div><\/div>\n<\/div>\n<div class=\"et_pb_column_9 et_pb_column et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sec preset--module--divi-column--default\">\n<div class=\"et_pb_text_9 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p><a class=\"nrt-sec-link\" href=\"https:\/\/nirotec.de\/en\/nuclear-technology\/\"><span class=\"nrt-sec-t\">Nuclear Technology<\/span><span class=\"nrt-more\">Learn more \u2192<\/span><\/a><\/p>\n<\/div><\/div>\n<\/div>\n<div class=\"et_pb_column_10 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sec preset--module--divi-column--default\">\n<div class=\"et_pb_text_10 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p><a class=\"nrt-sec-link\" href=\"https:\/\/nirotec.de\/en\/applications\/hydrogen-and-energy-infrastructure\/\"><span class=\"nrt-sec-t\">Hydrogen &amp; Energy Infrastructure<\/span><span class=\"nrt-more\">Learn more \u2192<\/span><\/a><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_row_9 et_pb_row et_flex_row nrt-sp-row nrt-sec-row preset--module--divi-row--default\">\n<div class=\"et_pb_column_11 et_pb_column et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sec preset--module--divi-column--default\">\n<div class=\"et_pb_text_11 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p><a class=\"nrt-sec-link\" href=\"https:\/\/nirotec.de\/en\/applications\/chemical-and-process-industry\/\"><span class=\"nrt-sec-t\">Chemical &amp; Process Industries<\/span><span class=\"nrt-more\">Learn more \u2192<\/span><\/a><\/p>\n<\/div><\/div>\n<\/div>\n<div class=\"et_pb_column_12 et_pb_column et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sec preset--module--divi-column--default\">\n<div class=\"et_pb_text_12 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p><a class=\"nrt-sec-link\" href=\"https:\/\/nirotec.de\/en\/applications\/refineries-and-offshore-facilities\/\"><span class=\"nrt-sec-t\">Refineries &amp; Offshore Facilities<\/span><span class=\"nrt-more\">Learn more \u2192<\/span><\/a><\/p>\n<\/div><\/div>\n<\/div>\n<div class=\"et_pb_column_13 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sec preset--module--divi-column--default\">\n<div class=\"et_pb_text_13 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p><a class=\"nrt-sec-link\" href=\"https:\/\/nirotec.de\/en\/applications\/apparatus-and-mechanical-engineering\/\"><span class=\"nrt-sec-t\">Apparatus &amp; Mechanical Engineering<\/span><span class=\"nrt-more\">Learn more \u2192<\/span><\/a><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"et_pb_section_8 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-afterdark preset--module--divi-section--default\">\r\n<div class=\"et_pb_row_10 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_14 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_14 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<h2>Frequently asked questions about special and drawing parts<\/h2>\n<div class=\"nrt-faq\">\n<details open>\n<summary>\n<h3>What are drawing parts?<\/h3>\n<\/summary>\n<p>Drawing parts are components manufactured to a customer\u2019s technical drawing or specification \u2013 rather than taken from a standardised product range. At Nirotec, these are mainly pipe fittings such as elbows, tees, transition and combination parts with special geometries, wall thicknesses or materials.<\/p>\n<\/details>\n<details>\n<summary>\n<h3>How can I request special or drawing parts?<\/h3>\n<\/summary>\n<p>The easiest way is the form below \u2013 you can upload your drawing directly. For a quotation we need: technical drawing or component description with main dimensions, material (EN or ASME designation), application and operating conditions (pressure, temperature, medium), quantity and required delivery date, required standards, testing and documentation and, if applicable, a project-specific specification or ITP requirement.<\/p>\n<\/details>\n<details>\n<summary>\n<h3>What dimensions and wall thicknesses are possible?<\/h3>\n<\/summary>\n<p>We manufacture on hydraulic presses from 150 to 1,500 t \u2013 with outside diameters up to 610 mm and wall thicknesses up to 100 mm. Heat treatment is possible up to a volume of 10 m\u00b3.<\/p>\n<\/details>\n<details>\n<summary>\n<h3>Does Nirotec also make single parts and prototypes?<\/h3>\n<\/summary>\n<p>Yes. We manufacture special and drawing parts individually or in small batches \u2013 including prototypes, first articles or spare parts for existing plants.<\/p>\n<\/details>\n<details>\n<summary>\n<h3>Which tests and documents will I receive?<\/h3>\n<\/summary>\n<p>Every special part is tested according to an individual ITP. The standard scope includes visual and dimensional inspection, an inspection certificate to EN 10204 3.1 or 3.2 and full material traceability. NDT, PMI, material testing and third-party inspection are available on request; for Type B components we verify the t<sub>int<\/sub>, T<sub>s<\/sub> and T<sub>b<\/sub> dimensions as standard.<\/p>\n<\/details>\n<details>\n<summary>\n<h3>Do you also manufacture special parts in Type B to EN 10253-2?<\/h3>\n<\/summary>\n<p>Yes. We manufacture elbows and tees in Type B with increased wall thickness for safety-critical systems \u2013 for example in nuclear technology, high-pressure applications and power plants.<\/p>\n<\/details>\n<\/div>\n<p class=\"nrt-stand\">Last updated: October 2026<\/p>\n<p><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What are drawing parts?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Drawing parts are components manufactured to a customer\u2019s technical drawing or specification \u2013 rather than taken from a standardised product range. At Nirotec, these are mainly pipe fittings such as elbows, tees, transition and combination parts with special geometries, wall thicknesses or materials.\"}}, {\"@type\": \"Question\", \"name\": \"How can I request special or drawing parts?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The easiest way is the form below \u2013 you can upload your drawing directly. For a quotation we need: technical drawing or component description with main dimensions, material (EN or ASME designation), application and operating conditions (pressure, temperature, medium), quantity and required delivery date, required standards, testing and documentation and, if applicable, a project-specific specification or ITP requirement.\"}}, {\"@type\": \"Question\", \"name\": \"What dimensions and wall thicknesses are possible?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"We manufacture on hydraulic presses from 150 to 1,500 t \u2013 with outside diameters up to 610 mm and wall thicknesses up to 100 mm. Heat treatment is possible up to a volume of 10 m\u00b3.\"}}, {\"@type\": \"Question\", \"name\": \"Does Nirotec also make single parts and prototypes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. We manufacture special and drawing parts individually or in small batches \u2013 including prototypes, first articles or spare parts for existing plants.\"}}, {\"@type\": \"Question\", \"name\": \"Which tests and documents will I receive?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Every special part is tested according to an individual ITP. The standard scope includes visual and dimensional inspection, an inspection certificate to EN 10204 3.1 or 3.2 and full material traceability. NDT, PMI, material testing and third-party inspection are available on request; for Type B components we verify the t_int, T_s and T_b dimensions as standard.\"}}, {\"@type\": \"Question\", \"name\": \"Do you also manufacture special parts in Type B to EN 10253-2?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. We manufacture elbows and tees in Type B with increased wall thickness for safety-critical systems \u2013 for example in nuclear technology, high-pressure applications and power plants.\"}}]}<\/script><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Service\", \"name\": \"Special and drawing parts\", \"serviceType\": \"Manufacture of pipe fittings to customer drawing\", \"description\": \"Pipe fittings beyond standard product ranges, made to drawing or specification: outside diameter up to 610 mm, wall thickness up to 100 mm, hydraulic presses from 150 to 1,500 t, inspection certificate to EN 10204 3.1 \/ 3.2.\", \"url\": \"https:\/\/nirotec.de\/en\/products\/special-parts-and-drawing-parts\/\", \"areaServed\": \"Worldwide\", \"provider\": {\"@type\": \"Organization\", \"name\": \"Nirotec GmbH & Co. KG\", \"url\": \"https:\/\/nirotec.de\/en\/\", \"telephone\": \"+49 2303 985-0\", \"email\": \"info@nirotec.de\", \"address\": {\"@type\": \"PostalAddress\", \"streetAddress\": \"Otto-Hahn-Str. 4\", \"postalCode\": \"59423\", \"addressLocality\": \"Unna\", \"addressCountry\": \"DE\"}}}<\/script><\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div><div class=\"et_pb_section_9 et_pb_section et_section_regular et_flex_section nrt-sp nrt-sp-form preset--module--divi-section--default\" id=\"anfrage\">\r\n<div class=\"et_pb_row_11 et_pb_row et_flex_row nrt-sp-row preset--module--divi-row--default\">\r\n<div class=\"et_pb_column_15 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone nrt-sp-col preset--module--divi-column--default\">\r\n<div class=\"et_pb_text_15 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module nrt-sp-text preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div class=\"nrt-wrap\">\n<div class=\"nrt-g57\">\n<div>\n<h2>Looking for a component made to drawing?<\/h2>\n<p class=\"nrt-intro nrt-mb24\">Nirotec manufactures special and drawing parts \u2013 including small quantities, special materials and complete documentation. Send us your drawing or specification \u2013 we will get back to you with an assessment.<\/p>\n<h3>For a quotation we need<\/h3>\n<ul class=\"nrt-ml\">\n<li><span>Drawing or component description with main dimensions<\/span><\/li>\n<li><span>Material and operating conditions (pressure, temperature, medium)<\/span><\/li>\n<li><span>Quantity and required delivery date<\/span><\/li>\n<li><span>Required standards, testing and documentation<\/span><\/li>\n<\/ul>\n<div class=\"nrt-contact\"><b>Contact us directly<\/b><br \/><a href=\"tel:+4923039850\">+49 (0) 2303\/985 - 0<\/a> \u00b7 <a href=\"mailto:info@nirotec.de\">info@nirotec.de<\/a><br \/>Otto-Hahn-Str. 4, 59423 Unna, Germany<\/div>\n<\/div>\n<div class=\"nrt-formbox\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f2992-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"2992\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/en\/wp-json\/wp\/v2\/pages\/2314#wpcf7-f2992-o1\" method=\"post\" class=\"wpcf7-form init wpcf7-acceptance-as-validation\" aria-label=\"Contact form\" enctype=\"multipart\/form-data\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"2992\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f2992-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"nrt-form\">\n\t<div class=\"nrt-row\">\n\t\t<p><label>Name *<span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span><\/label>\n\t\t<\/p>\n\t\t<p><label>Company *<span class=\"wpcf7-form-control-wrap\" data-name=\"your-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"organization\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-company\" \/><\/span><\/label>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"nrt-row\">\n\t\t<p><label>E-mail *<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span><\/label>\n\t\t<\/p>\n\t\t<p><label>Phone<span class=\"wpcf7-form-control-wrap\" data-name=\"your-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-text wpcf7-validates-as-tel\" autocomplete=\"tel\" aria-invalid=\"false\" value=\"\" type=\"tel\" name=\"your-phone\" \/><\/span><\/label>\n\t\t<\/p>\n\t<\/div>\n\t<p><label>Your inquiry *<span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"e.g. standard, material, dimensions, quantity \u2013 or simply attach your drawing\" name=\"your-message\"><\/textarea><\/span><\/label>\n\t<\/p>\n\t<p><label>Drawing \/ parts list (optional)<span class=\"wpcf7-form-control-wrap\" data-name=\"your-file\"><input size=\"40\" class=\"wpcf7-form-control wpcf7-file\" accept=\".pdf,.dwg,.dxf,.step,.stp,.igs,.iges,.xlsx,.xls,.csv,.jpg,.jpeg,.png\" aria-invalid=\"false\" type=\"file\" name=\"your-file\" \/><\/span><span class=\"nrt-hint\">PDF, DWG, DXF, STEP, IGES, Excel or image \u2013 max. 10 MB<\/span><\/label>\n\t<\/p>\n\t<p class=\"nrt-accept\"><span class=\"wpcf7-form-control-wrap\" data-name=\"nrt-privacy\"><span class=\"wpcf7-form-control wpcf7-acceptance\"><span class=\"wpcf7-list-item\"><label><input type=\"checkbox\" name=\"nrt-privacy\" value=\"1\" aria-invalid=\"false\" \/><span class=\"wpcf7-list-item-label\">I have read the <a href=\"\/en\/privacy-policy\/\">privacy notice<\/a>. My details will be used to process my inquiry. *<\/span><\/label><\/span><\/span><\/span>\n\t<\/p>\n\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send inquiry\" \/>\n\t<\/p>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":2265,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2314","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/pages\/2314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/comments?post=2314"}],"version-history":[{"count":6,"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/pages\/2314\/revisions"}],"predecessor-version":[{"id":3317,"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/pages\/2314\/revisions\/3317"}],"up":[{"embeddable":true,"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/pages\/2265"}],"wp:attachment":[{"href":"https:\/\/nirotec.de\/en\/wp-json\/wp\/v2\/media?parent=2314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}