{"id":1695,"date":"2022-04-21T13:57:12","date_gmt":"2022-04-21T11:57:12","guid":{"rendered":"https:\/\/www.tkc.si\/en\/metallurgical-laboratory\/"},"modified":"2023-02-21T13:46:14","modified_gmt":"2023-02-21T12:46:14","slug":"metallurgical-laboratory","status":"publish","type":"page","link":"https:\/\/www.tkc.si\/en\/metallurgical-laboratory\/","title":{"rendered":"Metallurgical laboratory"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row full_width=&#8221;stretch_row_content_no_spaces&#8221; el_class=&#8221;sp-page-title&#8221;][vc_column]\t\t\n\t\t<div class=\"title-banner\" style=\"background-image: linear-gradient(rgba(0, 0, 0, 0.2),rgba(0, 0, 0, 0.2)),url(https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/01\/baner-varjenje-1.jpg);\">\n\t\t\t<div class=\"container\">\n\t\t\t<h1 class=\"entry-title\">Metallurgical laboratory<\/h1>\n\n\t\t\t\t<div class=\"breadcrumbs-container\">\n\t\t\t\t\t<div class=\"breadcrumbs\">\n\t\t\t\t\t\t\n\t<ul class=\"ns-breadcrumbs\">\n\t\t\t<li><a href=\"https:\/\/www.tkc.si\/en\/\">Home<\/a><\/li>\n\t\t\t\t<li>Metallurgical laboratory<\/li>\n\t<\/ul>\n\t\n\t\t\t\t\t\t\t<div class=\"clearfix\"><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t[\/vc_column][\/vc_row][vc_row el_class=&#8221;sp-sec-1&#8243;][vc_column width=&#8221;3\/4&#8243;][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221;][vc_column_inner][vc_column_text]The welding and metallurgy laboratory tests welds and welded joints using destructive and non-destructive tests.<\/p>\n<p>We are making the following investigations and tests:<\/p>\n<ul>\n<li>The macroscopic examination of welds<\/li>\n<li>Chapry impact tests<\/li>\n<li>Band test<\/li>\n<li>Fracture\u00a0test<\/li>\n<li>Vickers hardness tests<\/li>\n<li>Transverse tensile tests<\/li>\n<li>penetrant tests<\/li>\n<li>microscopy (particle size, micro cracking, ferrite share, etc.)<\/li>\n<li>micro-hardness,<\/li>\n<\/ul>\n<p>In cooperation with our partners, you can also order various non-destructive tests, chemical analyses of materials, corrosion tests, etc.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221; el_id=&#8221;1&#8243;][vc_column_inner][vc_column_text]<\/p>\n<h4>Metallographic testing<\/h4>\n<p>In our laboratory, the samples are first prepared: cut, poured into a mass (depending on the size) and prepared for examination. The samples are then etched to achieve the desired visibility of the microstructure. We use Leica and Olympus stereo microscopes for testing.[\/vc_column_text]\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery( document ).ready(function() {\n\t\t\t\tdocument.getElementById('1636545274849-3e2baf2f-45d3').onclick = function (event) {\n\t\t\t\tevent = event || window.event;\n\t\t\t\tvar target = event.target || event.srcElement,\n\t\t\t\t\tlink = target.src ? target.parentNode : target,\n\t\t\t\t\toptions = {index: link, event: event},\n\t\t\t\t\tlinks = this.getElementsByTagName('a');\n\t\t\t\tblueimp.Gallery(links, options);\n\t\t\t\t};\n\t\t\t});\n\t\t<\/script>\n\n\t\t<div class=\"ns-gallery-section\">\n\t\t\t<div id=\"1636545274849-3e2baf2f-45d3\" class=\"ns-gallery nsg-p2\">\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/mikrostruktura-om-duplex.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" 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nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/spajkani-spoj-v-zleb-1.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/spajkani-spoj-v-zleb-1.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/olympus-gx51.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/olympus-gx51.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/leica_m60.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/leica_m60.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/obrus-zajede-1.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/obrus-zajede-1.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t[\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221; el_id=&#8221;2&#8243;][vc_column_inner][vc_column_text]<\/p>\n<h4>Control of heat treatments<\/h4>\n<p>We carry out controls on heat treatments:<\/p>\n<ul>\n<li>measuring the depth of the nitration layer,<\/li>\n<li>measurements of hardness and micro-hardness,<\/li>\n<li>3D scanning measurements of workpiece dimensions<\/li>\n<\/ul>\n<p>[\/vc_column_text]\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery( document ).ready(function() {\n\t\t\t\tdocument.getElementById('1636545538288-1575171b-6edc').onclick = function (event) {\n\t\t\t\tevent = event || window.event;\n\t\t\t\tvar target = event.target || event.srcElement,\n\t\t\t\t\tlink = target.src ? target.parentNode : target,\n\t\t\t\t\toptions = {index: link, event: event},\n\t\t\t\t\tlinks = this.getElementsByTagName('a');\n\t\t\t\tblueimp.Gallery(links, options);\n\t\t\t\t};\n\t\t\t});\n\t\t<\/script>\n\n\t\t<div class=\"ns-gallery-section\">\n\t\t\t<div id=\"1636545538288-1575171b-6edc\" class=\"ns-gallery nsg-p2\">\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/kontrola-toplotnih-obdelav.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/kontrola-toplotnih-obdelav.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t[\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221; el_id=&#8221;3&#8243;][vc_column_inner][vc_column_text]<\/p>\n<h4>Hardness measurements<\/h4>\n<p>In the laboratory we perform Vickers hardness measurements. We measure the hardness of metallic materials, check the hardness after heat treatment (quenching, tempering, annealing) and the hardness of welded joints.<br \/>\nWe can also perform micro-hardness measurements on request (a non-accredited method).<br \/>\nHardness measurements are carried out using the Zwick ZHU 2.5 Universal Hardness Tester. Hardness measurements can be carried out from HV0.2 up to HV30.<br \/>\nWe also carry out measurements in the field with a portable hardness tester.[\/vc_column_text]\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery( document ).ready(function() {\n\t\t\t\tdocument.getElementById('1636545842667-ed1e56a1-8011').onclick = function (event) {\n\t\t\t\tevent = event || window.event;\n\t\t\t\tvar target = event.target || event.srcElement,\n\t\t\t\t\tlink = target.src ? target.parentNode : target,\n\t\t\t\t\toptions = {index: link, event: event},\n\t\t\t\t\tlinks = this.getElementsByTagName('a');\n\t\t\t\tblueimp.Gallery(links, options);\n\t\t\t\t};\n\t\t\t});\n\t\t<\/script>\n\n\t\t<div class=\"ns-gallery-section\">\n\t\t\t<div id=\"1636545842667-ed1e56a1-8011\" class=\"ns-gallery nsg-p2\">\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/slika-meritev-trdot-na-zvarnem-spoju-socelnega-zvara.jpeg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/slika-meritev-trdot-na-zvarnem-spoju-socelnega-zvara.jpeg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/slika-meritev-trdot-za-dolocanje-globine-cementacije.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/slika-meritev-trdot-za-dolocanje-globine-cementacije.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/merilec-trdote-zwick-zhu-25.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/merilec-trdote-zwick-zhu-25.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t[\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221; el_id=&#8221;4&#8243;][vc_column_inner][vc_column_text]<\/p>\n<h4>Tensile tests<\/h4>\n<p>The tensile test is a fundamental mechanical test. It determines the strength properties of metals and alloys, the yield stress (yield strength), the tensile strength and the modulus of elasticity. This numerical data can be directly applied to the strength calculations of various structural elements. Tensile tests are carried out using a Heckert EU40 machine. We are accredited for the transverse tensile testing of base material and welded joints (metallic materials and welds of metallic materials) with the determination of failure force and tensile strength. We prepare the samples for testing ourselves in our laboratory.[\/vc_column_text]\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery( document ).ready(function() {\n\t\t\t\tdocument.getElementById('1636546001424-1756f38f-529a').onclick = function (event) {\n\t\t\t\tevent = event || window.event;\n\t\t\t\tvar target = event.target || event.srcElement,\n\t\t\t\t\tlink = target.src ? target.parentNode : target,\n\t\t\t\t\toptions = {index: link, event: event},\n\t\t\t\t\tlinks = this.getElementsByTagName('a');\n\t\t\t\tblueimp.Gallery(links, options);\n\t\t\t\t};\n\t\t\t});\n\t\t<\/script>\n\n\t\t<div class=\"ns-gallery-section\">\n\t\t\t<div id=\"1636546001424-1756f38f-529a\" class=\"ns-gallery nsg-p2\">\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/nateg-okrogli.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/nateg-okrogli.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/ploscati-vzorec-iz-cevi-socelni-spoj-pred-in-po-porusitvi.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/ploscati-vzorec-iz-cevi-socelni-spoj-pred-in-po-porusitvi.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vzorca-za-natezni-preskus-osnovnega-materiala-okrogle-oblike.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vzorca-za-natezni-preskus-osnovnega-materiala-okrogle-oblike.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vecnamenski-stroj-heckert-eu-40.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vecnamenski-stroj-heckert-eu-40.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t[\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221; el_id=&#8221;5&#8243;][vc_column_inner][vc_column_text]<\/p>\n<h4>Toughness tests<\/h4>\n<p>Toughness is the property of materials before failing after deformation when acted upon by external forces. It is most often related to the impact resistance of the material (impact toughness). Impact toughness is usually measured using the Charpy test. We can test the base material and welded joints in a temperature range of -60\u00b0C to +20\u00b0C.[\/vc_column_text]\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery( document ).ready(function() {\n\t\t\t\tdocument.getElementById('1636543035344-faa45a51-49f8').onclick = function (event) {\n\t\t\t\tevent = event || window.event;\n\t\t\t\tvar target = event.target || event.srcElement,\n\t\t\t\t\tlink = target.src ? target.parentNode : target,\n\t\t\t\t\toptions = {index: link, event: event},\n\t\t\t\t\tlinks = this.getElementsByTagName('a');\n\t\t\t\tblueimp.Gallery(links, options);\n\t\t\t\t};\n\t\t\t});\n\t\t<\/script>\n\n\t\t<div class=\"ns-gallery-section\">\n\t\t\t<div id=\"1636543035344-faa45a51-49f8\" class=\"ns-gallery nsg-p2\">\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/preizkusevalna-naprava-z-udarno-mocjo-300j.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/preizkusevalna-naprava-z-udarno-mocjo-300j.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vzorec-za-preskus-zilavosti-pred-in-po-porusitvi.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vzorec-za-preskus-zilavosti-pred-in-po-porusitvi.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t[\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221; el_id=&#8221;6&#8243;][vc_column_inner][vc_column_text]<\/p>\n<h4>Overview of weld joints<\/h4>\n<p>When inspecting welded joints, there is both non-destructive testing (NDT) and destructive testing (DT) available.<\/p>\n<p><span style=\"text-decoration: underline;\">Destructive testing includes<\/span><\/p>\n<p><strong>To certify the process:<\/strong><\/p>\n<ul>\n<li>tensile test<\/li>\n<li>band\u00a0test<\/li>\n<li>impact toughness test<\/li>\n<li>metallographic testing<\/li>\n<li>hardness measurement<\/li>\n<\/ul>\n<p>[\/vc_column_text]\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery( document ).ready(function() {\n\t\t\t\tdocument.getElementById('1636546167023-3289deae-de05').onclick = function (event) {\n\t\t\t\tevent = event || window.event;\n\t\t\t\tvar target = event.target || event.srcElement,\n\t\t\t\t\tlink = target.src ? target.parentNode : target,\n\t\t\t\t\toptions = {index: link, event: event},\n\t\t\t\t\tlinks = this.getElementsByTagName('a');\n\t\t\t\tblueimp.Gallery(links, options);\n\t\t\t\t};\n\t\t\t});\n\t\t<\/script>\n\n\t\t<div class=\"ns-gallery-section\">\n\t\t\t<div id=\"1636546167023-3289deae-de05\" class=\"ns-gallery nsg-p2\">\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vzorci-za-mehanske-preizkuse.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/vzorci-za-mehanske-preizkuse.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/upogib-1.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"nsg-img\" src=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/upogib-1.jpg\">\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t[vc_column_text]<span style=\"text-decoration: underline;\">Depending on the shape of the sample and the quality of the material, certain tests may be excluded from the scope of the tests<\/span><\/p>\n<p><strong>For the certification of welders:<\/strong><\/p>\n<ul>\n<li>flexural test<\/li>\n<li>fracture\u00a0test<\/li>\n<li>metallographic testing<\/li>\n<li>tensile test<\/li>\n<\/ul>\n<p>When inspecting welds and welded joints, we can carry out a penetrant inspection before and after welding, upon request. Since cracks sometimes appear after welding or heat treatment due to material fatigue or the chemical composition of the material, which is difficult to weld, they can be detected and repaired using the penetrant method. However, penetrant testing can also be used prior to welding to pinpoint any cracks, as well as their size and depth.[\/vc_column_text]\n\t\t<script type=\"text\/javascript\">\n\t\t\tjQuery( document ).ready(function() {\n\t\t\t\tdocument.getElementById('1636546428109-0af61361-bd7f').onclick = function (event) {\n\t\t\t\tevent = event || window.event;\n\t\t\t\tvar target = event.target || event.srcElement,\n\t\t\t\t\tlink = target.src ? target.parentNode : target,\n\t\t\t\t\toptions = {index: link, event: event},\n\t\t\t\t\tlinks = this.getElementsByTagName('a');\n\t\t\t\tblueimp.Gallery(links, options);\n\t\t\t\t};\n\t\t\t});\n\t\t<\/script>\n\n\t\t<div class=\"ns-gallery-section\">\n\t\t\t<div id=\"1636546428109-0af61361-bd7f\" class=\"ns-gallery nsg-p2\">\n\t\t\t\t\t\t\t\t\t<div class=\"nsg-gitem nsg-c3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/04\/penetrantska-preiskava-navara.jpg\" class=\"nsg-img-container nsg-r4-3\">\n\t\t\t\t\t\t\t<img 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videonadzoru<\/a>\n\t\t\t<a href=\"https:\/\/www.tkc.si\/wp-content\/uploads\/2021\/08\/obvestilo-o-video-nadzoru.pdf\" target=\"_blank\" class=\"file-dl-btn\">\n\t\t\t\t<div class=\"file-dl-text\">Prenesi<\/div>\n\t\t\t\t<i class=\"fa fa-download file-dl-icon\" aria-hidden=\"true\"><\/i>\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row full_width=&#8221;stretch_row_content_no_spaces&#8221; el_class=&#8221;sp-page-title&#8221;][vc_column][\/vc_column][\/vc_row][vc_row el_class=&#8221;sp-sec-1&#8243;][vc_column width=&#8221;3\/4&#8243;][vc_row_inner equal_height=&#8221;yes&#8221; el_class=&#8221;sp-sub-sec&#8221;][vc_column_inner][vc_column_text]The welding and metallurgy laboratory tests welds and welded joints using destructive and non-destructive tests. We are making the following investigations and tests: The macroscopic examination of welds Chapry impact tests Band test Fracture\u00a0test Vickers hardness tests Transverse tensile tests penetrant tests microscopy (particle size, micro cracking, ferrite share, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1695","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Metallurgical laboratory | TKC<\/title>\n<meta name=\"description\" content=\"The welding and metallurgy laboratory tests welds and welded joints using destructive and non-destructive tests. 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