{"id":2272,"date":"2026-03-09T09:50:04","date_gmt":"2026-03-09T09:50:04","guid":{"rendered":"https:\/\/nirotec.de\/products\/tees\/"},"modified":"2026-08-11T08:32:31","modified_gmt":"2026-08-11T08:32:31","slug":"tees","status":"publish","type":"page","link":"https:\/\/nirotec.de\/en\/products\/tees\/","title":{"rendered":"Tees"},"content":{"rendered":"<div class=\"et_pb_section_0 et_pb_section et_section_regular et_block_section et_pb_section_parallax section_has_divider et_pb_bottom_divider preset--module--divi-section--default\"><span class=\"et-pb-parallax-wrapper\"><span class=\"et-pb-parallax-background et-pb-parallax-background-module--divi-section-0\" style=\"background-image:linear-gradient(242deg, #004288 0%,rgba(0,0,0,0.9) 74% 100%), url(https:\/\/nirotec.de\/wp-content\/uploads\/2026\/02\/csm_Rechteck_25@2x_9747e1c4e8.jpg);background-color:initial;background-blend-mode:multiply\"><\/span><\/span>\n<div class=\"et_pb_row_0 et_pb_row et_block_row preset--module--divi-row--6b30eb4c-258b-40c0-accd-78379f896e47\">\n<div class=\"et_pb_column_0 et_pb_column et_pb_column_2_3 et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_heading_0 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--313bf6fa-117a-4c74-8c6b-32a0231f37b6\"><div class=\"et_pb_heading_container\"><h1 class=\"et_pb_module_header\">Seamless tees for industrial piping systems<\/h1><\/div><\/div>\n\n<div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--21709439-0a40-4b55-809c-519da0f52d05\"><div class=\"et_pb_text_inner\"><p>We manufacture seamless tees for industrial piping systems \u2013 in our own production facility in Unna, using cold and hot forming as well as IHU processes (internal high-pressure forming). Our tees are used in power plant construction, the chemical industry, refineries, and equipment and plant engineering, among other applications. <\/p>\n<p>From standard dimensions to thick-walled special dimensions in P91 or Super Duplex, we supply compliant solutions to EN 10253-2 Type A and Type B for demanding applications.<\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_0_wrapper preset--module--divi-button--default_wrapper\"><a class=\"et_pb_button_0 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-button--default\" href=\"https:\/\/nirotec.de\/en\/?page_id=2231\">To the contact form<\/a><\/div>\n<\/div>\n\n<div class=\"et_pb_column_1 et_pb_column et_pb_column_1_3 et-last-child et_block_column et_pb_column_empty et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\"><\/div>\n<\/div>\n<div class=\"et_pb_bottom_inside_divider et-no-transition\"><\/div><\/div>\n\n<div class=\"et_pb_section_1 et_pb_section et_section_regular et_block_section section_has_divider et_pb_bottom_divider preset--module--divi-section--default\">\n<div class=\"et_pb_row_1 et_pb_row et_block_row preset--module--divi-row--6b30eb4c-258b-40c0-accd-78379f896e47\">\n<div class=\"et_pb_column_2 et_pb_column et_pb_column_3_5 et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_heading_1 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--313bf6fa-117a-4c74-8c6b-32a0231f37b6\"><div class=\"et_pb_heading_container\"><h3 class=\"et_pb_module_header\">Manufacturing & Properties<\/h3><\/div><\/div>\n\n<div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--21709439-0a40-4b55-809c-519da0f52d05\"><div class=\"et_pb_text_inner\"><p>Our tees are manufactured from seamless or welded pipes and, depending on material, dimension, and requirements, are hot or cold formed or produced from pipe sections. The transition geometry is formed using specially designed forming and manufacturing processes that ensure uniform material distribution and high dimensional accuracy.<br \/>\nThrough controlled manufacturing processes, we achieve uniform transitions, optimized wall thickness distribution, and reliable tightness. <\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_0 et_pb_accordion et_pb_module et_block_module\">\n<div class=\"et_pb_accordion_item_0 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_open et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Typical designs:<\/h5><div class=\"et_pb_toggle_content\"><p class=\"yiv5436861134MsoNormal\"><b><span>To EN 10253 and ASME B16.9:<\/span><\/b><span><\/span><\/p>\n<ul type=\"disc\">\n<li class=\"yiv5436861134MsoNormal\"><span>Equal tees<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Reducing tees<\/span><\/li>\n<\/ul>\n<p class=\"yiv5436861134MsoNormal\"><b><span>Special designs:<\/span><\/b><span><\/span><\/p>\n<ul type=\"disc\">\n<li class=\"yiv5436861134MsoNormal\"><span>Extended run sides to customer specifications<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Extended branch to drawing<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Special diameter combinations outside the standard<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Ultra-thick-walled designs \u2013 e.g., 323.9 \u00d7 50 mm in P91<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Asymmetric tees to drawing<\/span><\/li>\n<\/ul>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_1 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Technical specifications<\/h5><div class=\"et_pb_toggle_content\"><ul type=\"disc\">\n<li class=\"yiv5436861134MsoNormal\"><span>Wall thicknesses up to 50 mm and more<\/span><\/li>\n<li>Thick-walled designs with verification of Ts and Tb dimensions for safety-critical applications<span><\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Diameters up to 610 mm<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Hydraulic presses 150 to 1,500 tons<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>IHU process for precise transition geometries<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Heat treatment in in-house furnace<\/span><\/li>\n<\/ul>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_2 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Standards & Regulations<\/h5><div class=\"et_pb_toggle_content\"><ul type=\"disc\">\n<li class=\"yiv5436861134MsoNormal\"><b><span>EN 10253-2 \/ EN 10253-4 Type A and Type B<\/span><\/b><span> \u2013 Seamless pipe fittings Europe<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span lang=\"EN-GB\">ASME B16.9<\/span><\/b><span lang=\"EN-GB\"> \u2013 Factory-Made Wrought Buttwelding Fittings<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span>EN 13480<\/span><\/b><span> \u2013 Metallic industrial piping<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span>AD 2000<\/span><\/b><span> \u2013 Pressure equipment Germany<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span>ASME B31.1<\/span><\/b><span> \u2013 Power Piping<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span>ASME B31.3<\/span><\/b><span> \u2013 Process Piping<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span>ASME B31.12<\/span><\/b><span> \u2013 Hydrogen Piping<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span>NORSOK M-630<\/span><\/b><span> \u2013 Offshore piping components<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><b><span>KTA 3201 \/ RCC-M<\/span><\/b><span> \u2013 Nuclear engineering<\/span><\/li>\n<li class=\"yiv5436861134MsoNormal\"><span>Project-specific specifications and drawings on request<\/span><\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_column_3 et_pb_column et_pb_column_2_5 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_image_0 et_pb_image et_animated et_pb_module et_block_module preset--module--divi-image--adafc73f-8966-4d37-a6ec-4e83a784cd16\"><a href=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/03\/PDB_T-Stuecke.pdf\"><span class=\"et_pb_image_wrap\"><img alt=\"\" alt=\"\" decoding=\"async\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/PDB_T-Stuecke.png\" width=\"512\" height=\"512\" srcset=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/PDB_T-Stuecke.png 512w\" sizes=\"(max-width: 512px) 100vw, 512px\" class=\"wp-image-923\" title=\"PDB_Tees\" \/><\/span><\/a><\/div>\n\n<div class=\"et_pb_text_2 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p style=\"text-align: center;\"><a href=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/03\/PDB_T-Stuecke.pdf\">Tees.pdf<\/a><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_2 et_pb_row et_block_row preset--module--divi-row--default\">\n<div class=\"et_pb_column_4 et_pb_column et_pb_column_3_5 et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--default\">\n<div class=\"et_pb_image_1 et_pb_image et_animated et_pb_module et_block_module preset--module--divi-image--default\"><span class=\"et_pb_image_wrap\"><img alt=\"\" alt=\"\" decoding=\"async\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/05\/T-Stuecke.jpg\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/05\/T-Stuecke.jpg 1920w, https:\/\/nirotec.de\/wp-content\/uploads\/2026\/05\/T-Stuecke-1280x720.jpg 1280w, https:\/\/nirotec.de\/wp-content\/uploads\/2026\/05\/T-Stuecke-980x551.jpg 980w, https:\/\/nirotec.de\/wp-content\/uploads\/2026\/05\/T-Stuecke-480x270.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1920px, 100vw\" class=\"wp-image-1387\" title=\"Tees\" \/><\/span><\/div>\n<\/div>\n\n<div class=\"et_pb_column_5 et_pb_column et_pb_column_2_5 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--default\">\n<div class=\"et_pb_heading_2 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--a3805066-8711-43c7-9f62-5782da0e9f7a\"><div class=\"et_pb_heading_container\"><h3 class=\"et_pb_module_header\">Type A and Type B to EN 10253-2<\/h3><\/div><\/div>\n\n<div class=\"et_pb_text_3 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--2c55a9c4-feed-423b-9edb-ae0b5b365cac\"><div class=\"et_pb_text_inner\"><p> Nirotec has the manufacturing competence to supply tees to EN 10253-2 in Type A and Type B. Compliance with the Ts and Tb dimensions is verified during quality inspection and fully documented. <\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_1 et_pb_accordion et_pb_module et_block_module\">\n<div class=\"et_pb_accordion_item_3 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_open et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Type A \u2013 Standard wall thickness<\/h5><div class=\"et_pb_toggle_content\"><p>Tees for general industrial piping applications to standard requirements.<\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_4 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Type B \u2013 increased wall thicknesses (Ts dimension and Tb dimension)<\/h5><div class=\"et_pb_toggle_content\"><p>Tees with increased minimum wall thicknesses at the geometrically and technically most demanding locations. The standard defines two relevant parameters for Type B: <\/p>\n<ul>\n<li>Ts dimension: Minimum wall thickness at the apex of the branch (transition run pipe \/ branch)<\/li>\n<li>Tb dimension: Minimum wall thickness at the base of the branch (branch foot)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Both values are significantly higher for Type B than the requirements for Type A \u2013 at precisely those locations that are subjected to the greatest stress during forming.<\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_5 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">What Type B means in practice:<\/h5><div class=\"et_pb_toggle_content\"><ul>\n<li>The starting material must be considerably thicker than for Type A<\/li>\n<li>Specially designed dies and forming tools are required<\/li>\n<li>Not every manufacturer is able to supply Type B<\/li>\n<li>Result: higher safety margins at the critical locations of the geometry<\/li>\n<\/ul>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_6 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Typical applications for Type B:<\/h5><div class=\"et_pb_toggle_content\"><ul>\n<li>High-pressure and high-temperature lines in power plants and process facilities<\/li>\n<li>Nuclear engineering \u2013 safety-relevant systems (ITNS)<\/li>\n<li>Facilities to AD 2000 or ASME with increased strength requirements<\/li>\n<li>Project-specific requirements of the client, EPC contractor, or inspection authority<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div>\n\n<div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_1_wrapper preset--module--divi-button--default_wrapper\"><a class=\"et_pb_button_1 et_pb_button et_pb_bg_layout_light et_animated et_pb_module et_block_module preset--module--divi-button--default\" href=\"https:\/\/nirotec.de\/en\/?page_id=2231\">Request Type B inquiry<\/a><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_3 et_pb_row et_block_row preset--module--divi-row--6b30eb4c-258b-40c0-accd-78379f896e47\">\n<div class=\"et_pb_column_6 et_pb_column et_pb_column_2_5 et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_heading_3 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--313bf6fa-117a-4c74-8c6b-32a0231f37b6\"><div class=\"et_pb_heading_container\"><h3 class=\"et_pb_module_header\">Materials & Standards<\/h3><\/div><\/div>\n\n<div class=\"et_pb_text_4 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--21709439-0a40-4b55-809c-519da0f52d05\"><div class=\"et_pb_text_inner\"><p>Our tees are manufactured from a wide range of industrial materials. Depending on application, temperature, pressure, and corrosion requirements, we supply components from different material groups. <\/p>\n<p>Standard specifications: <\/p>\n<ul>\n<li>EN 10253-2 (Type A and Type B)<\/li>\n<li>ASME B16.9<\/li>\n<li>AD 2000<\/li>\n<li>PED 2014\/68\/EU<\/li>\n<\/ul>\n<p class=\"yiv5436861134MsoNormal\"><em>Additional materials and project-specific material requirements on request.<\/em><\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_2 et_pb_accordion et_pb_module et_block_module\">\n<div class=\"et_pb_accordion_item_7 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_open et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Unalloyed & low-alloy steels:<\/h5><div class=\"et_pb_toggle_content\"><p><span>P235GH \/ 1.0345<\/span><\/p>\n<p><span>P265GH \/ 1.0425<\/span><\/p>\n<p><span>P355GH \/ 1.0566<\/span><\/p>\n<p><span>L360 \/ 1.0582 \/ API 5L X52<\/span><\/p>\n<p><span>L415 \/ 1.8972 \/ API 5L X60<\/span><\/p>\n<p><span>WPB \/ A234 WPB \/ Carbon Steel<\/span><\/p>\n<p><span>WPHY70 \/ A860 WPHY70<\/span><\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_8 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Low-temperature steels:<\/h5><div class=\"et_pb_toggle_content\"><p><span>WPL3 \/ A420 WPL3<\/span><\/p>\n<p><span>WPL6 \/ A420 WPL6<\/span><\/p>\n<p><span>LF2 \/ A350 LF2<\/span><\/p>\n<p><span>P355NL2<\/span><\/p>\n<p><span>P460NL2<\/span><\/p>\n<p><span>10Ni14<\/span><\/p>\n<p><span>12Ni14 \/ 1.5637<\/span><\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_9 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Heat-resistant steels:<\/h5><div class=\"et_pb_toggle_content\"><p><span>16Mo3 \/ 1.5415<\/span><\/p>\n<p><span>WP11 \/ P11 \/ 1.7335 \/ 13CrMo4-5<\/span><\/p>\n<p><span>WP22 \/ P22 \/ 1.7380 \/ 10CrMo9-10<\/span><\/p>\n<p><span>WP91 \/ P91 \/ 1.4903 \/ X10CrMoVNb9-1<\/span><\/p>\n<p><span>WP92 \/ P92 \/ 1.4901 \/ X10CrWMoVNb9-2<\/span><\/p>\n<p><span>X20 \/ 1.4922 \/ X20CrMoV11-1<\/span><\/p>\n<p><span>WB36 \/ 1.6368 \/ 15NiCuMoNb5<\/span><\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_10 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Austenitic stainless steels:<\/h5><div class=\"et_pb_toggle_content\"><p><span>304 \/ 1.4301 \/ X5CrNi18-10 \/ V2A<\/span><\/p>\n<p><span>304L \/ 1.4307 \/ X2CrNi18-9 \/ TP304L \/ WP304L<\/span><\/p>\n<p><span>316L \/ 1.4404 \/ X2CrNiMo17-12-2 \/ TP316L \/ WP316L \/ V4A<\/span><\/p>\n<p><span>316Ti \/ 1.4571 \/ X6CrNiMoTi17-12-2 \/ TP316Ti \/ WP316Ti<\/span><\/p>\n<p><span>321 \/ 1.4541 \/ X6CrNiTi18-10 \/ TP321 \/ WP321<\/span><\/p>\n<p><span>347H \/ 1.4912 \/ X7CrNiNb18-10 \/ TP347H \/ WP347H<\/span><\/p>\n<p><span>310S \/ 1.4845 \/ X8CrNi25-21 \/ TP310S \/ WP310S<\/span><\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_11 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Duplex & Super Duplex<\/h5><div class=\"et_pb_toggle_content\"><p><span>Duplex \/ 1.4462 \/ X2CrNiMoN22-5-3 \/ UNS S31803 \/ F51<\/span><\/p>\n<p><span lang=\"EN-GB\">Super Duplex \/ 1.4410 \/ X2CrNiMoN25-7-4 \/ UNS S32750 \/ F53<\/span><\/p>\n<p><span lang=\"EN-GB\">Super Duplex \/ 1.4501 \/ X2CrNiMoCuWN25-7-4 \/ UNS S32760 \/ F55<\/span><\/p>\n<p><span>254SMO \/ 1.4547 \/ X1CrNiMoCuN20-18-7 \/ UNS S31254<\/span><\/p>\n<p><span>Alloy 926 \/ 1.4529 \/ X1NiCrMoCuN25-20-7 \/ UNS N08926<\/span><\/p>\n<p><span>904L \/ 1.4539 \/ X1NiCrMoCu25-20-5 \/ UNS N08904<\/span><\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_12 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Nickel alloys:<\/h5><div class=\"et_pb_toggle_content\"><p><span>Monel 400 \/ 2.4360 \/ UNS N04400<\/span><\/p>\n<p><span>Alloy 625 \/ 2.4856 \/ UNS N06625 \/ Inconel 625<\/span><\/p>\n<p><span>Alloy 825 \/ 2.4858 \/ UNS N08825 \/ Incoloy 825<\/span><\/p>\n<p><span>Alloy C-276 \/ 2.4819 \/ UNS N10276 \/ Hastelloy C-276<\/span><\/p>\n<p><span>Alloy 718 \/ 2.4668 \/ UNS N07718<\/span><\/p>\n<p><span>Alloy 800H \/ 1.4876H \/ UNS N08810<\/span><\/p>\n<p><span>Alloy C-22 \/ 2.4602 \/ UNS N06022 \/ Hastelloy C-22<\/span><\/p>\n<\/div><\/div>\n\n<div class=\"et_pb_accordion_item_13 et_pb_accordion_item et_pb_toggle et_pb_module et_pb_toggle_close et_block_module preset--module--divi-accordion-item--default\"><h5 class=\"et_pb_toggle_title\">Copper-nickel & special materials:<\/h5><div class=\"et_pb_toggle_content\"><p><span>CuNi10Fe1.6Mn \/ C70600 \/ 90-10 CuNi<\/span><\/p>\n<p><span>CuNi70\/30 \/ C71500<\/span><\/p>\n<p><span>Zirconium 702 \/ UNS R60702<\/span><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_column_7 et_pb_column et_pb_column_3_5 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_image_2 et_pb_image et_animated et_pb_module et_block_module preset--module--divi-image--adafc73f-8966-4d37-a6ec-4e83a784cd16\"><span class=\"et_pb_image_wrap\"><img alt=\"\" alt=\"\" decoding=\"async\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/Nirotec-TStuecke.jpg\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/Nirotec-TStuecke.jpg 1920w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" class=\"wp-image-805\" title=\"Nirotec Tees\" \/><\/span><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_4 et_pb_row et_block_row preset--module--divi-row--6b30eb4c-258b-40c0-accd-78379f896e47\">\n<div class=\"et_pb_column_8 et_pb_column et_pb_column_3_5 et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_image_3 et_pb_image et_animated et_pb_module et_block_module preset--module--divi-image--adafc73f-8966-4d37-a6ec-4e83a784cd16\"><span class=\"et_pb_image_wrap\"><img alt=\"\" alt=\"\" decoding=\"async\" src=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/T-Stuecke.jpg\" width=\"800\" height=\"600\" srcset=\"https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/T-Stuecke.jpg 800w, https:\/\/nirotec.de\/wp-content\/uploads\/2026\/04\/T-Stuecke-480x360.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" class=\"wp-image-808\" title=\"Tees\" \/><\/span><\/div>\n<\/div>\n\n<div class=\"et_pb_column_9 et_pb_column et_pb_column_2_5 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_heading_4 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--313bf6fa-117a-4c74-8c6b-32a0231f37b6\"><div class=\"et_pb_heading_container\"><h3 class=\"et_pb_module_header\">Quality Inspection & Documentation<\/h3><\/div><\/div>\n\n<div class=\"et_pb_text_5 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--21709439-0a40-4b55-809c-519da0f52d05\"><div class=\"et_pb_text_inner\"><div>\n<p class=\"yiv5436861134MsoNormal\"><span>Manufacturing and inspection within our QM system to ISO 9001 and AD 2000. Typical inspection services: <\/span><\/p>\n<p class=\"yiv5436861134MsoNormal\"><span><\/span><\/p>\n<ul>\n<li><span>Visual inspection<\/span><\/li>\n<li><span>Dimensional control and wall thickness measurement<\/span><\/li>\n<li><span>Non-destructive testing (UT, RT, PT, MT)<\/span><\/li>\n<li>Verification of Ts and Tb dimensions for Type B tees<span><\/span><\/li>\n<li><span>Positive material identification (PMI)<\/span><\/li>\n<li><span>Hardness testing<\/span><\/li>\n<li><span>Ferrite measurement for duplex materials<\/span><\/li>\n<li><span>External inspections by T\u00dcV, Bureau Veritas, or customer inspectors<\/span><\/li>\n<li><span>Test certificates to EN 10204 (3.1 \/ 3.2)<\/span><\/li>\n<li><span>Project-specific ITPs with hold and witness points on request<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_bottom_inside_divider et-no-transition\"><\/div><\/div>\n\n<div class=\"et_pb_section_2 et_pb_section et_section_regular et_block_section section_has_divider et_pb_top_divider preset--module--divi-section--default\"><div class=\"et_pb_top_inside_divider et-no-transition\"><\/div>\n<div class=\"et_pb_row_5 et_pb_row et_block_row preset--module--divi-row--6b30eb4c-258b-40c0-accd-78379f896e47\">\n<div class=\"et_pb_column_10 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--482ffeb2-28f6-4b7e-9174-de11520b2835\">\n<div class=\"et_pb_heading_5 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--313bf6fa-117a-4c74-8c6b-32a0231f37b6\"><div class=\"et_pb_heading_container\"><h4 class=\"et_pb_module_header\">Applications & Industries<\/h4><\/div><\/div>\n\n<div class=\"et_pb_heading_6 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--313bf6fa-117a-4c74-8c6b-32a0231f37b6\"><div class=\"et_pb_heading_container\"><h2 class=\"et_pb_module_header\">In use worldwide<\/h2><\/div><\/div>\n\n<div class=\"et_pb_text_6 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--21709439-0a40-4b55-809c-519da0f52d05\"><div class=\"et_pb_text_inner\"><p>Thanks to their dimensional accuracy and load-bearing capacity, our tees are ideally suited for pressure, temperature, and corrosion environments with the highest safety requirements.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_6 et_pb_row et_pb_gutters1.1 et_block_row preset--module--divi-row--default\">\n<div class=\"et_pb_column_11 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough et_animated et_clickable preset--module--divi-column--792dafc4-cf40-4555-93cd-922c6d1ae2e8\">\n<div class=\"et_pb_heading_7 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--d4b6f4b3-5fe3-442a-9684-6fb970291d6f\"><div class=\"et_pb_heading_container\"><h6 class=\"et_pb_module_header\">Energy and Power Plant Facilities<\/h6><\/div><\/div>\n<\/div>\n\n<div class=\"et_pb_column_12 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough et_animated et_clickable preset--module--divi-column--792dafc4-cf40-4555-93cd-922c6d1ae2e8\">\n<div class=\"et_pb_heading_8 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--d4b6f4b3-5fe3-442a-9684-6fb970291d6f\"><div class=\"et_pb_heading_container\"><h6 class=\"et_pb_module_header\">Nuclear Technology<\/h6><\/div><\/div>\n<\/div>\n\n<div class=\"et_pb_column_13 et_pb_column et_pb_column_1_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough et_animated et_clickable preset--module--divi-column--792dafc4-cf40-4555-93cd-922c6d1ae2e8\">\n<div class=\"et_pb_heading_9 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--d4b6f4b3-5fe3-442a-9684-6fb970291d6f\"><div class=\"et_pb_heading_container\"><h6 class=\"et_pb_module_header\">Hydrogen and Energy Infrastructure <\/h6><\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_7 et_pb_row et_pb_gutters1.1 et_block_row preset--module--divi-row--default\">\n<div class=\"et_pb_column_14 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough et_animated et_clickable preset--module--divi-column--792dafc4-cf40-4555-93cd-922c6d1ae2e8\">\n<div class=\"et_pb_heading_10 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--d4b6f4b3-5fe3-442a-9684-6fb970291d6f\"><div class=\"et_pb_heading_container\"><h6 class=\"et_pb_module_header\">Chemical and Process Industry<\/h6><\/div><\/div>\n<\/div>\n\n<div class=\"et_pb_column_15 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough et_animated et_clickable preset--module--divi-column--792dafc4-cf40-4555-93cd-922c6d1ae2e8\">\n<div class=\"et_pb_heading_11 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--d4b6f4b3-5fe3-442a-9684-6fb970291d6f\"><div class=\"et_pb_heading_container\"><h6 class=\"et_pb_module_header\">Refineries and Offshore Facilities<\/h6><\/div><\/div>\n<\/div>\n\n<div class=\"et_pb_column_16 et_pb_column et_pb_column_1_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough et_animated et_clickable preset--module--divi-column--792dafc4-cf40-4555-93cd-922c6d1ae2e8\">\n<div class=\"et_pb_heading_12 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--d4b6f4b3-5fe3-442a-9684-6fb970291d6f\"><div class=\"et_pb_heading_container\"><h6 class=\"et_pb_module_header\">Apparatus and Mechanical Engineering<\/h6><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_section_3 et_pb_section et_section_regular et_block_section preset--module--divi-section--default\">\n<div class=\"et_pb_row_8 et_pb_row et_block_row preset--module--divi-row--default\">\n<div class=\"et_pb_column_17 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough preset--module--divi-column--default\">\n<div class=\"et_pb_heading_13 et_pb_heading et_pb_module et_block_module preset--module--divi-heading--313bf6fa-117a-4c74-8c6b-32a0231f37b6\"><div class=\"et_pb_heading_container\"><h3 class=\"et_pb_module_header\">Looking for a special dimension or special material? <\/h3><\/div><\/div>\n\n<div class=\"et_pb_text_7 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--21709439-0a40-4b55-809c-519da0f52d05\"><div class=\"et_pb_text_inner\"><p><span>At Nirotec, we also manufacture tees outside the standard range \u2013 thick-walled, in special materials, with extended run sides. Contact our sales team directly.  <\/span><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_9 et_pb_row et_pb_equal_columns et_block_row preset--module--divi-row--2757258f-f9e3-4ea5-9fad-5c1c4d19615e\">\n<div class=\"et_pb_column_18 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough et_animated preset--module--divi-column--9274ca6d-6c16-46a9-9bc2-465d602a1a54\">\n<div class=\"et_pb_icon_0 et_pb_icon et_animated et_pb_module et_block_module\"><span class=\"et_pb_icon_wrap\"><span class=\"et-pb-icon\">\uf879<\/span><\/span><\/div>\n\n<div class=\"et_pb_blurb_0 et_pb_blurb et_pb_bg_layout_light et_pb_text_align_center et_pb_blurb_position_top et_pb_module et_block_module ai_ignore_all preset--module--divi-blurb--ce555799-3740-43b9-a08c-aea69403224a\"><div class=\"et_pb_blurb_content\"><div class=\"et_pb_blurb_container\"><div class=\"et_pb_blurb_description\"><p><span>+49 (0) 2303\/985 - 0<\/span><\/p>\n<\/div><\/div><\/div><\/div>\n<\/div>\n\n<div class=\"et_pb_column_19 et_pb_column et_pb_column_1_3 et_block_column et_pb_css_mix_blend_mode_passthrough et_animated preset--module--divi-column--9274ca6d-6c16-46a9-9bc2-465d602a1a54\">\n<div class=\"et_pb_icon_1 et_pb_icon et_animated et_pb_module et_block_module\"><span class=\"et_pb_icon_wrap\"><span class=\"et-pb-icon\">\uf0e0<\/span><\/span><\/div>\n\n<div class=\"et_pb_blurb_1 et_pb_blurb et_pb_bg_layout_light et_pb_text_align_center et_pb_blurb_position_top et_pb_module et_block_module ai_ignore_all preset--module--divi-blurb--ce555799-3740-43b9-a08c-aea69403224a\"><div class=\"et_pb_blurb_content\"><div class=\"et_pb_blurb_container\"><div class=\"et_pb_blurb_description\"><p><a href=\"mailto:info@nirotec.de\" class=\"animsition-link\">info@nirotec.de<\/a><\/p>\n<\/div><\/div><\/div><\/div>\n<\/div>\n\n<div class=\"et_pb_column_20 et_pb_column et_pb_column_1_3 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough et_animated preset--module--divi-column--9274ca6d-6c16-46a9-9bc2-465d602a1a54\">\n<div class=\"et_pb_icon_2 et_pb_icon et_animated et_pb_module et_block_module\"><span class=\"et_pb_icon_wrap\"><span class=\"et-pb-icon\">\ue081<\/span><\/span><\/div>\n\n<div class=\"et_pb_blurb_2 et_pb_blurb et_pb_bg_layout_light et_pb_text_align_center et_pb_blurb_position_top et_pb_module et_block_module ai_ignore_all preset--module--divi-blurb--ce555799-3740-43b9-a08c-aea69403224a\"><div class=\"et_pb_blurb_content\"><div class=\"et_pb_blurb_container\"><div class=\"et_pb_blurb_description\"><p><span>Otto-Hahn-Str. 4<\/span><br \/><span>59423 Unna<\/span><\/p>\n<\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2273,"parent":2265,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_titles_title":"Tees Type A & Type B to EN 10253-2 | Nirotec","_seopress_titles_desc":"Nirotec supplies tees to EN 10253-2 in Type A and Type B for the highest requirements in wall thickness, pressure loading, and industrial 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