{"id":12326,"date":"2026-09-29T22:45:29","date_gmt":"2026-09-29T20:45:29","guid":{"rendered":"https:\/\/www.stud-welding.de\/?page_id=12326"},"modified":"2026-10-16T22:40:29","modified_gmt":"2026-10-16T20:40:29","slug":"ut-pins","status":"publish","type":"page","link":"https:\/\/www.stud-welding.de\/en\/ut-pins\/","title":{"rendered":"UT pins"},"content":{"rendered":"<style>html body #brx-content.wordpress{max-width:none;width:100%;padding:0;margin:0}html body #brx-content.wordpress>h1{display:none}<\/style>\n<style>@media(min-width:992px){.rd-image-9532{object-fit:contain!important;object-position:right center!important}}#brxe-e152e6{text-transform: uppercase}@media(min-width:992px){.rd-hero-heading{font-size:64px!important}}#brxe-ffc64f{display:grid;grid-template-columns:minmax(0,0.95fr) minmax(0,1.05fr);align-items:start;gap:40px;width:100%;color:#10191f;}#brxe-ffc64f > *{min-width:0;width:100%;max-width:100%;}#brxe-ffc64f 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.sd-cover{object-position:65% center}.sd-new .sd-hero:before,.sd-new .sd-section:last-child:before{background:linear-gradient(90deg,rgba(3,14,21,.95),rgba(3,14,21,.62))}.sd-new .sd-section:last-child{min-height:360px}.sd-new .sd-note{overflow-wrap:anywhere}}@media(max-width:767px){.sd-new .sd-app-card h3{font-size:16px}}@media(max-width:767px){html body #brx-content .sd-lead{width:auto!important;max-width:100%!important;min-width:0!important;overflow-wrap:anywhere!important;}}@media(max-width:478px){html body #brx-content .rd-hero-heading{font-size:clamp(24px,7.8vw,32px)!important;}}<\/style>\n<div id=\"brxe-23b133\" class=\"brxe-div sd-new\">\n<section id=\"brxe-f8392f\" class=\"brxe-section sd-section sd-dark sd-hero\"><img loading=\"lazy\" decoding=\"async\" width=\"1834\" height=\"858\" class=\"wp-image-12513 brxe-image sd-cover rd-image-9532\" alt=\"UT pin with smooth shank on a metal surface\" id=\"brxe-676c1c\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/UT-Header-geprueft-20261016.png\" data-attachment-id=\"12513\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/UT-Header-geprueft-20261016.png 1834w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/UT-Header-geprueft-20261016-300x140.png 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/UT-Header-geprueft-20261016-1024x479.png 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/UT-Header-geprueft-20261016-768x359.png 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/10\/UT-Header-geprueft-20261016-1536x719.png 1536w\" sizes=\"auto, (max-width: 1834px) 100vw, 1834px\" \/><\/p>\n<div id=\"brxe-870881\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-e152e6\" class=\"brxe-text-basic sd-eyebrow\">STUD WELDING ELEMENTS \u2013 CAPACITOR DISCHARGE<\/div>\n<h1 id=\"brxe-44743c\" class=\"brxe-heading rd-hero-heading \">Pins<br \/><span style=\"color: #e60012;\">UT<\/span><\/h1>\n<div id=\"brxe-0dfdc9\" class=\"brxe-text-basic sd-subtitle\">In accordance with DIN EN ISO 13918<\/div>\n<div id=\"brxe-2c269c\" class=\"brxe-text-basic sd-lead\">Pins with a smooth shank, flange and ignition tip for capacitor discharge stud welding. For manual and fully automatic welding processes.<\/div>\n<div id=\"brxe-6c40fd\" class=\"brxe-div sd-actions\"><a id=\"brxe-738537\" class=\"brxe-button sd-button  bricks-button\" href=\"#sd-abmessungen\">Technical data \u2192<\/a><a id=\"brxe-2c28ac\" class=\"brxe-button sd-button sd-outline bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/contact\/\">Enquire about UT \u2192<\/a><\/div>\n<div id=\"brxe-0400ea\" class=\"brxe-text-basic sd-facts\">\u00d8 3 \u2013 7.1 mm | Minimum lengths according to the dimensional sheet | Special sizes on request | DIN EN ISO 13918<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-93c5e1\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-720bc1\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-a56c25\" class=\"brxe-div sd-grid sd-intro\">\n<div id=\"brxe-5f65a6\" class=\"brxe-div\">\n<div id=\"brxe-61e213\" class=\"brxe-text-basic sd-eyebrow\">UT PINS<\/div>\n<h2 id=\"brxe-564bd9\" class=\"brxe-heading \">SMOOTH SHANK.<br \/>FLANGE.<br \/>CAPACITOR DISCHARGE.<\/h2>\n<div id=\"brxe-433242\" class=\"brxe-text-basic sd-subtitle\">&nbsp;<\/div>\n<div id=\"brxe-2f766b\" class=\"brxe-text-basic\">The UT pin has a smooth, unthreaded shank, a flange and a defined ignition tip. It is welded onto metal components using capacitor discharge welding and is suitable for manual and fully automatic welding processes.<\/div>\n<p><a id=\"brxe-e1d914\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"#sd-anwendungen\">More about applications \u2192<\/a><\/div>\n<div id=\"brxe-fe03d3\" class=\"brxe-div sd-image-space\"><img decoding=\"async\" class=\"brxe-image sd-bridge-photo\" alt=\"UT pin on a sheet in a control cabinet after welding\" id=\"brxe-21f489\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/UT-Schaltschrank-PT-Stil-web.webp\"><\/div>\n<div id=\"brxe-0afaaa\" class=\"brxe-div\">\n<div id=\"brxe-98ae39\" class=\"brxe-text\">\n<table class=\"sd-specs\">\n<tbody>\n<tr>\n<td>Standard<\/td>\n<td>DIN EN ISO 13918<\/td>\n<\/tr>\n<tr>\n<td>Type<\/td>\n<td>UT \u2013 smooth pin with flange and ignition tip<\/td>\n<\/tr>\n<tr>\n<td>Welding process<\/td>\n<td>Tip ignition \/ capacitor discharge<\/td>\n<\/tr>\n<tr>\n<td>Diameter<\/td>\n<td>3 \/ 4 \/ 5 \/ 6 \/ 7.1 mm according to the dimensional sheet<\/td>\n<\/tr>\n<tr>\n<td>Minimum length<\/td>\n<td>8 \/ 12 \/ 15 mm, depending on diameter<\/td>\n<\/tr>\n<tr>\n<td>materials<\/td>\n<td>Copper-plated steel 4.8, stainless steel A2-50, aluminium AlMg3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-482adf\" class=\"brxe-section sd-section sd-dark\">\n<div id=\"brxe-752ade\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-7d3c2f\" class=\"brxe-div sd-grid sd-two\">\n<div id=\"brxe-ced21b\" class=\"brxe-div sd-system-photos\"><img decoding=\"async\" class=\"brxe-image sd-stud\" alt=\"UT pin with smooth shank, flange and ignition tip before welding\" id=\"brxe-663333\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/UT-Produkt-freigestellt-web.webp\"><\/div>\n<div id=\"brxe-e95a0e\" class=\"brxe-div\">\n<div id=\"brxe-c38c11\" class=\"brxe-text-basic sd-eyebrow\">PRODUCT DESCRIPTION<\/div>\n<h2 id=\"brxe-e6e3e1\" class=\"brxe-heading \">UT pins for capacitor discharge welding.<\/h2>\n<div id=\"brxe-849f9c\" class=\"brxe-text-basic\">UT pins are smooth welding pins with a flange and ignition tip in accordance with DIN EN ISO 13918.<\/p>\n<p>Available materials include copper-plated steel 4.8, stainless steel A2-50 and aluminium AlMg3. Material and dimensions are selected to suit the welding task.<\/p>\n<p>The ignition tip melts during welding. The flange remains part of the pin.<\/p><\/div>\n<p><a id=\"brxe-6f7765\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"#sd-abmessungen\">View dimensions and materials \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sd-abmessungen\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-f0aad9\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-7eb565\" class=\"brxe-text-basic sd-eyebrow\">DIMENSIONS<\/div>\n<h2 id=\"brxe-59a965\" class=\"brxe-heading \">UT pins<br \/>in accordance with DIN EN ISO 13918<\/h2>\n<div id=\"brxe-ffc64f\" class=\"brxe-div sd-measure-grid\">\n<div id=\"brxe-592776\" class=\"brxe-text sd-drawing\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" viewBox=\"470 330 1080 790\" role=\"img\" aria-label=\"UT pin before and after welding with dimension symbols from the manufacturer\u2019s dimensional sheet\" style=\"display:block;width:100%;max-width:100%;height:auto\"><defs><filter id=\"ut-original-transparent\" x=\"0\" y=\"0\" width=\"100%\" height=\"100%\" color-interpolation-filters=\"sRGB\"><feColorMatrix type=\"matrix\" values=\"0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0.2126 -0.7152 -0.0722 0 1\"><\/feColorMatrix><\/filter><\/defs><image x=\"0\" y=\"0\" width=\"2480\" height=\"2493\" xlink:href=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2021\/07\/Stift__UT.jpg\" filter=\"url(#ut-original-transparent)\"><\/image><\/svg><\/p>\n<\/div>\n<div id=\"brxe-50cb76\" class=\"brxe-text sd-table-wrap\">\n<div class=\"rd-reference-tables\">\n<div class=\"rd-table-scroll\">\n<table class=\"sd-table\">\n<caption>UT dimensions \u00b7 extract from the manufacturer\u2019s dimensional sheet<\/caption>\n<thead>\n<tr>\n<th>\u00d8 d\u2081 +0.1<\/th>\n<th>l\u2081 min +0.6<\/th>\n<th>Flange d\u2082 \u00b10.2<\/th>\n<th>Ignition tip d\u2084 \u00b10.08<\/th>\n<th>l\u2083 \u00b10.05<\/th>\n<th>h\u2081<\/th>\n<th>\u03b1 \u00b12\u00b0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>3<\/td>\n<td>8<\/td>\n<td>4,5<\/td>\n<td>0,60<\/td>\n<td>0,55<\/td>\n<td>0.7 to 1.4<\/td>\n<td>174\u00b0<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>8<\/td>\n<td>5,5<\/td>\n<td>0,65<\/td>\n<td>0,55<\/td>\n<td>0.7 to 1.4<\/td>\n<td>174\u00b0<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>12<\/td>\n<td>6,5<\/td>\n<td>0,75<\/td>\n<td>0,80<\/td>\n<td>0.7 to 1.4<\/td>\n<td>174\u00b0<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>12<\/td>\n<td>7,5<\/td>\n<td>0,75<\/td>\n<td>0,80<\/td>\n<td>0.7 to 1.4<\/td>\n<td>174\u00b0<\/td>\n<\/tr>\n<tr>\n<td>7,1<\/td>\n<td>15<\/td>\n<td>9<\/td>\n<td>0,75<\/td>\n<td>0,85<\/td>\n<td>0.8 to 1.4<\/td>\n<td>174\u00b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>All length dimensions in mm. l\u2081 min denotes the minimum length before welding. According to the dimensional sheet, approximately l\u2082 = l\u2081 \u2212 0.3 mm.<\/p>\n<div class=\"rd-table-scroll\">\n<table class=\"sd-table\">\n<caption>Material selection<\/caption>\n<tbody>\n<tr>\n<th>Steel<\/th>\n<td>4.8, copper-plated<\/td>\n<\/tr>\n<tr>\n<th>Stainless steel<\/th>\n<td>A2-50<\/td>\n<\/tr>\n<tr>\n<th>Aluminium<\/th>\n<td>AlMg3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 class=\"\">Order enquiry<\/h3>\n<p>Please specify type UT, diameter, required length, material and quantity. We clarify further versions and availability to suit your application.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"brxe-3d1d9b\" class=\"brxe-text-basic sd-note\">The manufacturer\u2019s dimensional sheet lists diameters from 3 to 7.1 mm and diameter-dependent minimum lengths of 8, 12 or 15 mm. This is not a complete available length range. Please have the required length and availability confirmed with your enquiry.<\/div>\n<p><a id=\"brxe-6cdeac\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2021\/07\/Stift__UT.jpg\">Download UT dimensional sheet (German) \u2192<\/a><\/div>\n<\/section>\n<section id=\"sd-anwendungen\" class=\"brxe-section btv-applications sd-section sd-dark\">\n<div id=\"brxe-44d50b\" class=\"brxe-container btv-applications__inner sd-inner sd-app-layout\">\n<div id=\"brxe-b393df\" class=\"brxe-div btv-applications__intro sd-app-intro\">\n<div id=\"brxe-cdcb4b\" class=\"brxe-text-basic sd-eyebrow\">APPLICATIONS<\/div>\n<h2 id=\"brxe-78dee4\" class=\"brxe-heading \">Applications for<br \/>UT pins<\/h2>\n<div id=\"brxe-c13283\" class=\"brxe-text-basic sd-lead\">UT pins are welded onto metal components using capacitor discharge welding. The following application areas remain relevant \u2013 including domestic appliances and commercial kitchen equipment within equipment manufacturing, and decorative applications within metal construction.<\/div>\n<\/div>\n<div id=\"brxe-a4a42f\" class=\"brxe-div btv-applications__grid sd-grid sd-apps\">\n<div id=\"brxe-81b29f\" class=\"brxe-div btv-applications__item sd-app-card\"><img width=\"1024\" height=\"576\" id=\"brxe-a975fa\" class=\"wp-image-9764 brxe-image sd-card-photo  size-large  btv-verified-product-image\" alt=\"Original photograph of a welded threaded stud\" loading=\"lazy\" decoding=\"async\" data-btv-original-media=\"1\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/01-schaltschrank-gehaeusebau-komprimiert-1024x576.webp\" data-attachment-id=\"9764\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/01-schaltschrank-gehaeusebau-komprimiert-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/01-schaltschrank-gehaeusebau-komprimiert-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/01-schaltschrank-gehaeusebau-komprimiert-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/01-schaltschrank-gehaeusebau-komprimiert-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/01-schaltschrank-gehaeusebau-komprimiert.webp 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<div id=\"brxe-855887\" class=\"brxe-text-basic sd-number\">01<\/div>\n<h3 id=\"brxe-1110fd\" class=\"brxe-heading \">Control cabinet &amp; enclosure manufacturing<\/h3>\n<\/div>\n<div id=\"brxe-7a1c22\" class=\"brxe-div btv-applications__item sd-app-card\"><img width=\"1024\" height=\"576\" id=\"brxe-c4e75e\" class=\"wp-image-9766 brxe-image sd-card-photo  size-large  btv-verified-product-image\" alt=\"Original photograph of a welded threaded stud\" loading=\"lazy\" decoding=\"async\" data-btv-original-media=\"1\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/02-blechverarbeitung-1024x576.webp\" data-attachment-id=\"9766\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/02-blechverarbeitung-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/02-blechverarbeitung-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/02-blechverarbeitung-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/02-blechverarbeitung-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/02-blechverarbeitung.webp 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<div id=\"brxe-f94bb3\" class=\"brxe-text-basic sd-number\">02<\/div>\n<h3 id=\"brxe-5a9dc5\" class=\"brxe-heading \">General sheet metal fabrication<\/h3>\n<\/div>\n<div id=\"brxe-558282\" class=\"brxe-div btv-applications__item sd-app-card\"><img width=\"1024\" height=\"576\" id=\"brxe-8bc7ba\" class=\"wp-image-9768 brxe-image sd-card-photo  size-large  btv-verified-product-image\" alt=\"Original photograph of a welded threaded stud\" loading=\"lazy\" decoding=\"async\" data-btv-original-media=\"1\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/03-elektrotechnik-elektronik-1024x576.webp\" data-attachment-id=\"9768\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/03-elektrotechnik-elektronik-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/03-elektrotechnik-elektronik-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/03-elektrotechnik-elektronik-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/03-elektrotechnik-elektronik-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/03-elektrotechnik-elektronik.webp 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<div id=\"brxe-b57e4f\" class=\"brxe-text-basic sd-number\">03<\/div>\n<h3 id=\"brxe-62ebbb\" class=\"brxe-heading \">Electrical engineering &amp; electronics<\/h3>\n<\/div>\n<div id=\"brxe-8b2d1d\" class=\"brxe-div btv-applications__item sd-app-card\"><img width=\"1024\" height=\"576\" id=\"brxe-d0ef42\" class=\"wp-image-9771 brxe-image sd-card-photo  size-full  btv-verified-product-image\" alt=\"Original photograph of a welded threaded stud\" loading=\"lazy\" decoding=\"async\" data-btv-original-media=\"1\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/04-geraetebau-grosskuechengeraete-1024x576.webp\" data-attachment-id=\"9771\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/04-geraetebau-grosskuechengeraete-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/04-geraetebau-grosskuechengeraete-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/04-geraetebau-grosskuechengeraete-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/04-geraetebau-grosskuechengeraete-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/04-geraetebau-grosskuechengeraete.webp 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<div id=\"brxe-59f37f\" class=\"brxe-text-basic sd-number\">04<\/div>\n<h3 id=\"brxe-6124ca\" class=\"brxe-heading \">Equipment manufacturing<\/h3>\n<\/div>\n<div id=\"brxe-4394bf\" class=\"brxe-div btv-applications__item sd-app-card\"><img width=\"1024\" height=\"577\" id=\"brxe-327228\" class=\"wp-image-9773 brxe-image sd-card-photo  size-large  btv-verified-product-image\" alt=\"Original photograph of a welded threaded stud\" loading=\"lazy\" decoding=\"async\" data-btv-original-media=\"1\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/05-fassaden-dekorativer-metallbau-clean-1024x577.webp\" data-attachment-id=\"9773\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/05-fassaden-dekorativer-metallbau-clean-1024x577.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/05-fassaden-dekorativer-metallbau-clean-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/05-fassaden-dekorativer-metallbau-clean-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/05-fassaden-dekorativer-metallbau-clean-1536x865.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/05-fassaden-dekorativer-metallbau-clean.webp 1671w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<div id=\"brxe-061aee\" class=\"brxe-text-basic sd-number\">05<\/div>\n<h3 id=\"brxe-debe9d\" class=\"brxe-heading rd-rail-heading \">Facade &amp; metal construction<\/h3>\n<\/div>\n<div id=\"brxe-391b20\" class=\"brxe-div btv-applications__item sd-app-card\"><img width=\"1024\" height=\"576\" id=\"brxe-970c1f\" class=\"wp-image-9760 brxe-image sd-card-photo  size-large  btv-verified-product-image\" alt=\"Original photograph of a welded threaded stud\" loading=\"lazy\" decoding=\"async\" data-btv-original-media=\"1\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/06-medizin-labortechnik-1024x576.webp\" data-attachment-id=\"9760\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/06-medizin-labortechnik-1024x576.webp 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/06-medizin-labortechnik-300x169.webp 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/06-medizin-labortechnik-768x432.webp 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/06-medizin-labortechnik-1536x864.webp 1536w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/06-medizin-labortechnik.webp 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<div id=\"brxe-013a84\" class=\"brxe-text-basic sd-number\">06<\/div>\n<h3 id=\"brxe-1e3a9d\" class=\"brxe-heading \">Medical &amp; laboratory technology<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-faaf0c\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-bd6802\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-d16dd7\" class=\"brxe-div sd-grid sd-two\">\n<div id=\"brxe-7bc8e9\" class=\"brxe-div sd-image-space\"><img decoding=\"async\" class=\"brxe-image sd-procedure-photo\" alt=\"UT pin welded using capacitor discharge with retained flange\" id=\"brxe-f9c204\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/UT-Schaltschrank-PT-Stil-web.webp\"><\/div>\n<div id=\"brxe-bffabb\" class=\"brxe-div\">\n<div id=\"brxe-cc2885\" class=\"brxe-text-basic sd-eyebrow\">PROCESSING<\/div>\n<h2 id=\"brxe-0ab046\" class=\"brxe-heading \">Stud welding<br \/>with capacitor discharge<\/h2>\n<div id=\"brxe-556057\" class=\"brxe-text-basic\">Capacitor discharge stud welding releases the energy stored in a capacitor. The ignition tip melts; the stud end face and workpiece surface are briefly melted and joined under spring pressure. Depending on the material and welding task, the contact or gap method is used.<\/div>\n<div id=\"brxe-c03c22\" class=\"brxe-text-basic sd-note\">&nbsp;<\/div>\n<p><a id=\"brxe-4b333a\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/the-3-welding-processes\/\">More about the process \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<div id=\"brxe-225edd\" class=\"brxe-div sd-new cdp-df\">\n<section id=\"brxe-1d0f06\" class=\"brxe-section sd-section sd-dark has-bg-video\">\n<div class=\"btv-original-finder-media\"><img src=\"https:\/\/www.stud-welding.de\/en\/wp-content\/uploads\/2018\/07\/Bolzen-bsk-BTV-1-scaled.jpg\" class=\"btv-original-finder-photo btv-verified-product-image\" alt=\"Original-Sortimentsabbildung von bsk + BTV\" loading=\"lazy\" decoding=\"async\" data-btv-original-media=\"1\"><\/div>\n<div id=\"brxe-14096b\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-90aa9e\" class=\"brxe-text-basic sd-eyebrow\">Solution Finder<\/div>\n<div id=\"brxe-061297\" class=\"brxe-block sd-grid sd-two\">\n<div id=\"brxe-3f57a9\" class=\"brxe-block df-copy\">\n<h3 id=\"brxe-ab62e8\" class=\"brxe-heading \">Still unsure which stud to choose?<\/h3>\n<h2 id=\"brxe-f93c2f\" class=\"brxe-heading \">Find the right solution for your application.<\/h2>\n<p><a id=\"brxe-fe6474\" class=\"brxe-button bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/solution-finder\/\">START SOLUTION FINDER<i class=\"ti-arrow-right\"><\/i><\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<section id=\"brxe-44bf76\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-993f94\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-6ef6b7\" class=\"brxe-text-basic sd-eyebrow\">SUITABLE EQUIPMENT<\/div>\n<h2 id=\"brxe-f9e60e\" class=\"brxe-heading \">Equipment for<br \/>UT pins<\/h2>\n<div id=\"brxe-35c3fa\" class=\"brxe-div sd-grid sd-three\">\n<div id=\"brxe-a53c5e\" class=\"brxe-div sd-tech-card\"><img decoding=\"async\" class=\"brxe-image sd-tech-photo\" alt=\"CDP-99M capacitor discharge stud welder\" id=\"brxe-94c436\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2021\/07\/cache_2476262498-e1627214661928.jpg.webp\"><\/p>\n<h3 id=\"brxe-4780d1\" class=\"brxe-heading \">CDP-99M<\/h3>\n<div id=\"brxe-3d43d9\" class=\"brxe-text-basic\">Capacitor discharge unit for tip ignition<\/div>\n<p><a id=\"brxe-c35234\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/cdp-99m\/\">Learn more \u2192<\/a><\/div>\n<div id=\"brxe-de1c78\" class=\"brxe-div sd-tech-card\"><img decoding=\"async\" class=\"brxe-image sd-tech-photo\" alt=\"GAP-M stud welding gun for the gap method\" id=\"brxe-d0dcf2\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2021\/07\/gap-M_blauer_small.jpg.webp\"><\/p>\n<h3 id=\"brxe-2954f4\" class=\"brxe-heading \">GAP-M<\/h3>\n<div id=\"brxe-724974\" class=\"brxe-text-basic\">Gap method with digital displacement measurement<\/div>\n<p><a id=\"brxe-5b4d27\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2018\/08\/Beschreibung_Schweisspistolen_M-Serie_19.pdf\">Technical documentation \u2192<\/a><\/div>\n<div id=\"brxe-ca3cbe\" class=\"brxe-div sd-tech-card\"><img loading=\"lazy\" width=\"1024\" height=\"683\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/07\/automation-cnc-1024x683.jpg\" class=\"brxe-image sd-tech-photo css-filter size-large\" alt=\"Automation \u2013 CNC system\" id=\"brxe-a88880\" decoding=\"async\" data-type=\"string\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/07\/automation-cnc-300x200.jpg 300w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/07\/automation-cnc-768x512.jpg 768w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/07\/automation-cnc-1024x683.jpg 1024w, https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/07\/automation-cnc.jpg 1536w\"><\/p>\n<h3 id=\"brxe-132214\" class=\"brxe-heading \">Automation &amp; CNC<\/h3>\n<div id=\"brxe-e2ea8b\" class=\"brxe-text-basic\">For automated applications<\/div>\n<p><a id=\"brxe-88219f\" class=\"brxe-button sd-button sd-link bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/automation-cnc\/\">Learn more \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-393f72\" class=\"brxe-section sd-section sd-light\">\n<div id=\"brxe-c957df\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-04c8f7\" class=\"brxe-text-basic sd-eyebrow\">FAQ<\/div>\n<h2 id=\"brxe-bd4247\" class=\"brxe-heading \">Frequently asked questions<br \/>about UT pins<\/h2>\n<div id=\"brxe-d7dfe8\" class=\"brxe-div sd-grid sd-two\">\n<div id=\"brxe-bf23f8\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Which diameters and lengths are available for UT?<\/summary>\n<p>The manufacturer\u2019s dimensional sheet lists diameters of 3, 4, 5, 6 and 7.1 mm. Minimum lengths are 8, 12 or 15 mm depending on diameter. We confirm the required available length and availability on request.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-12954b\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Which materials are available?<\/summary>\n<p>According to the manufacturer, UT pins are available in copper-plated steel 4.8, stainless steel A2-50 and aluminium AlMg3. We review further materials and special designs on request.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-89445a\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>What are the functions of the flange and ignition tip?<\/summary>\n<p>The UT has a smooth shank, a flange at the welding end and a defined ignition tip. The ignition tip initiates the welding process and melts during it. The flange remains part of the pin.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-a2ab22\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>What changes during welding of the UT pin?<\/summary>\n<p>The ignition tip melts and the pin is joined to the workpiece. According to the manufacturer\u2019s UT dimensional sheet, the length after welding is approximately 0.3 mm shorter. The actual joint geometry depends on the material and welding parameters.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-8aa681\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>What should be considered when designing the joint?<\/summary>\n<p>Stud dimensions, material, sheet thickness and loading must suit the application. Joint suitability must be assessed for the specific welding task using appropriate tests. We support the selection process.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-ecde64\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Are ceramic ferrules required for UT?<\/summary>\n<p>UT pins are processed using capacitor discharge welding. RF ceramic ferrules are not used for this process.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-df8b35\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Which units and welding guns are suitable for UT?<\/summary>\n<p>The manufacturer\u2019s page lists CDP-99M and GAP-M as well as the RAPIDOR QF automatic welding head, among others. The unit, pin holder and parameters are selected to suit the material, diameter and welding task.<\/p>\n<\/details>\n<\/div>\n<div id=\"brxe-f5ea4f\" class=\"brxe-text\">\n<details class=\"sd-faq\">\n<summary>Are special dimensions available?<\/summary>\n<p>Yes. Further dimensions and materials are available on request. We review a suitable version for your application.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"brxe-938f0c\" class=\"brxe-section sd-section sd-dark\"><img decoding=\"async\" class=\"brxe-image sd-cover sd-detail rd-image-9544\" alt=\"UT pins for custom welding applications\" id=\"brxe-fca26a\" src=\"https:\/\/www.stud-welding.de\/wp-content\/uploads\/2026\/09\/UT-Header-PT-Stil-web.webp\"><\/p>\n<div id=\"brxe-8b76ab\" class=\"brxe-container sd-inner\">\n<div id=\"brxe-868356\" class=\"brxe-text-basic sd-eyebrow\">SPECIAL DESIGNS<\/div>\n<h2 id=\"brxe-573957\" class=\"brxe-heading \">UT pins to<br \/>your requirements<\/h2>\n<div id=\"brxe-9ef8a2\" class=\"brxe-text-basic sd-lead\">In addition to the listed standard dimensions, further dimensions and materials are available on request. We review a suitable version for your application.<\/div>\n<p><a id=\"brxe-2b8a27\" class=\"brxe-button sd-button  bricks-button\" href=\"https:\/\/www.stud-welding.de\/en\/contact\/\">Enquire about a special design \u2192<\/a><\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>STUD WELDING ELEMENTS \u2013 CAPACITOR DISCHARGE PinsUT In accordance with DIN EN ISO 13918 Pins with a smooth shank, flange and ignition tip for capacitor discharge stud welding. For manual and fully automatic welding processes. Technical data \u2192Enquire about UT \u2192 \u00d8 3 \u2013 7.1 mm | Minimum lengths according to the dimensional sheet | [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-12326","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages\/12326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/comments?post=12326"}],"version-history":[{"count":2,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages\/12326\/revisions"}],"predecessor-version":[{"id":12631,"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/pages\/12326\/revisions\/12631"}],"wp:attachment":[{"href":"https:\/\/www.stud-welding.de\/en\/wp-json\/wp\/v2\/media?parent=12326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}