{"id":6615,"date":"2026-04-08T18:42:07","date_gmt":"2026-04-08T16:42:07","guid":{"rendered":"https:\/\/www.dueemmesidol.it\/?page_id=6615"},"modified":"2026-04-09T08:41:26","modified_gmt":"2026-04-09T06:41:26","slug":"fastener-materials-guide-steel-stainless-duplex-brass","status":"publish","type":"page","link":"https:\/\/www.dueemmesidol.it\/it\/fastener-materials-guide-steel-stainless-duplex-brass\/","title":{"rendered":"Fastener Materials Guide | Steel, Stainless, Duplex, Brass"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6615\" class=\"elementor elementor-6615\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-14149eb e-con-full e-flex e-con e-parent\" data-id=\"14149eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7880c3 elementor-widget elementor-widget-text-editor\" data-id=\"a7880c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><span style=\"color: #808080;\">This fastener materials guide provides a technical comparison of the most common materials used in industrial applications, including carbon steel, stainless steel, alloy steel, brass and duplex grades.<\/span><br data-start=\"859\" data-end=\"862\" \/><span style=\"color: #808080;\">The table below helps engineers and buyers select the most suitable material based on mechanical properties, <a style=\"color: #808080;\" href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/corrosion-resistance\">corrosion resistance<\/a> and application environment.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8dbc6f0 e-con-full e-flex e-con e-parent\" data-id=\"8dbc6f0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d7313c1 elementor-widget elementor-widget-html\" data-id=\"d7313c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"fastener-table-tool\">\r\n  <div class=\"ft-intro\">\r\n    <p>\r\n      Fastener materials, grades and property classes differ by standard, composition and intended service conditions.\r\n      This table provides a technical comparison for reference only and does not imply direct interchangeability between ASTM, SAE, ISO and special alloys.\r\n    <\/p>\r\n  <\/div>\r\n\r\n  <div class=\"ft-toolbar\">\r\n    <div class=\"ft-filters\">\r\n      <input type=\"text\" id=\"searchInput\" placeholder=\"Search grade, material, application...\">\r\n\r\n      <select id=\"filterStandard\">\r\n        <option value=\"\">All Standards<\/option>\r\n        <option value=\"ASTM\">ASTM<\/option>\r\n        <option value=\"SAE\">SAE<\/option>\r\n        <option value=\"ISO\">ISO<\/option>\r\n        <option value=\"EN \/ Special\">EN \/ Special<\/option>\r\n        <option value=\"Special\">Special<\/option>\r\n      <\/select>\r\n\r\n      <select id=\"filterMaterial\">\r\n        <option value=\"\">All Materials<\/option>\r\n        <option value=\"Carbon steel\">Carbon steel<\/option>\r\n        <option value=\"Alloy steel\">Alloy steel<\/option>\r\n        <option value=\"Stainless 304\">Stainless 304<\/option>\r\n        <option value=\"Stainless 316\">Stainless 316<\/option>\r\n        <option value=\"Duplex steel\">Duplex steel<\/option>\r\n        <option value=\"Super duplex\">Super duplex<\/option>\r\n        <option value=\"CuZn\">Brass<\/option>\r\n        <option value=\"Nickel alloy\">Nickel alloy<\/option>\r\n      <\/select>\r\n\r\n      <select id=\"filterStrength\">\r\n        <option value=\"\">All Strength Levels<\/option>\r\n        <option value=\"Low\">Low<\/option>\r\n        <option value=\"Medium\">Medium<\/option>\r\n        <option value=\"Medium-high\">Medium-high<\/option>\r\n        <option value=\"High\">High<\/option>\r\n        <option value=\"Very high\">Very high<\/option>\r\n      <\/select>\r\n\r\n      <select id=\"filterCorrosion\">\r\n        <option value=\"\">All Corrosion Resistance<\/option>\r\n        <option value=\"Low\">Low<\/option>\r\n        <option value=\"Good\">Good<\/option>\r\n        <option value=\"High\">High<\/option>\r\n        <option value=\"Very high\">Very high<\/option>\r\n        <option value=\"Excellent\">Excellent<\/option>\r\n      <\/select>\r\n\r\n      <select id=\"filterApplication\">\r\n        <option value=\"\">All Applications<\/option>\r\n        <option value=\"General\">General<\/option>\r\n        <option value=\"Industrial\">Industrial<\/option>\r\n        <option value=\"Pressure\">Pressure<\/option>\r\n        <option value=\"Structural\">Structural<\/option>\r\n        <option value=\"Marine\">Marine<\/option>\r\n        <option value=\"Low temperature\">Low temperature<\/option>\r\n        <option value=\"Oil &amp; gas\">Oil &amp; gas<\/option>\r\n        <option value=\"Chemical\">Chemical<\/option>\r\n        <option value=\"Electrical\">Electrical<\/option>\r\n        <option value=\"Aerospace\">Aerospace<\/option>\r\n        <option value=\"Offshore\">Offshore<\/option>\r\n      <\/select>\r\n\r\n      <button type=\"button\" id=\"resetFilters\">Reset<\/button>\r\n    <\/div>\r\n\r\n    <div class=\"ft-meta\">\r\n      <span id=\"resultCount\">0 results<\/span>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"ft-table-wrap\">\r\n    <table id=\"fastenerTable\">\r\n      <thead>\r\n        <tr>\r\n          <th data-type=\"text\">Grade \/ Class \/ Material Family<\/th>\r\n          <th data-type=\"text\">Standard<\/th>\r\n          <th data-type=\"text\">Material<\/th>\r\n          <th data-type=\"text\">Type<\/th>\r\n          <th data-type=\"text\">Strength Level<\/th>\r\n          <th data-type=\"number\">Yield (MPa)<\/th>\r\n          <th data-type=\"number\">Tensile (MPa)<\/th>\r\n          <th data-type=\"text\">Temperature Range<\/th>\r\n          <th data-type=\"text\">Corrosion Resistance<\/th>\r\n          <th data-type=\"text\">Applications<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>Grade 1<\/td>\r\n          <td>SAE<\/td>\r\n          <td>Carbon steel<\/td>\r\n          <td>Low carbon<\/td>\r\n          <td><span class=\"badge strength-low\">Low<\/span><\/td>\r\n          <td data-sort=\"248\">248<\/td>\r\n          <td data-sort=\"413\">413<\/td>\r\n          <td>Standard<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>General<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>A307 A\/B<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Carbon steel<\/td>\r\n          <td>Low carbon<\/td>\r\n          <td><span class=\"badge strength-low\">Low<\/span><\/td>\r\n          <td data-sort=\"\">-<\/td>\r\n          <td data-sort=\"413\">413<\/td>\r\n          <td>Standard<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>General, industrial<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Grade 2<\/td>\r\n          <td>SAE<\/td>\r\n          <td>Carbon steel<\/td>\r\n          <td>Medium carbon<\/td>\r\n          <td><span class=\"badge strength-medium\">Medium<\/span><\/td>\r\n          <td data-sort=\"248\">248\u2013393<\/td>\r\n          <td data-sort=\"413\">413\u2013510<\/td>\r\n          <td>Standard<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Industrial<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Grade 5<\/td>\r\n          <td>SAE<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Heat treated<\/td>\r\n          <td><span class=\"badge strength-medium-high\">Medium-high<\/span><\/td>\r\n          <td data-sort=\"635\">635<\/td>\r\n          <td data-sort=\"830\">830<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Industrial, machinery<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Grade 8<\/td>\r\n          <td>SAE<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Heat treated<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"940\">940<\/td>\r\n          <td data-sort=\"1040\">1040<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>High load, industrial<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>B7<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Quenched &amp; tempered<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"720\">&ge;720<\/td>\r\n          <td data-sort=\"860\">&ge;860<\/td>\r\n          <td>High<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Pressure, flanges, oil &amp; gas<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>B16<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Quenched &amp; tempered<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"724\">&ge;724<\/td>\r\n          <td data-sort=\"860\">&ge;860<\/td>\r\n          <td>Very high<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>High temperature, pressure<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>B8<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Stainless 304<\/td>\r\n          <td>Austenitic<\/td>\r\n          <td><span class=\"badge strength-medium\">Medium<\/span><\/td>\r\n          <td data-sort=\"207\">207<\/td>\r\n          <td data-sort=\"517\">517<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-good\">Good<\/span><\/td>\r\n          <td>General corrosion, chemical<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>B8M<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Stainless 316<\/td>\r\n          <td>Austenitic<\/td>\r\n          <td><span class=\"badge strength-medium\">Medium<\/span><\/td>\r\n          <td data-sort=\"207\">207<\/td>\r\n          <td data-sort=\"517\">517<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-high\">High<\/span><\/td>\r\n          <td>Marine, chemical<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>A325<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Structural<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"660\">660<\/td>\r\n          <td data-sort=\"830\">830<\/td>\r\n          <td>Standard<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Structural<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>A490<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Structural<\/td>\r\n          <td><span class=\"badge strength-very-high\">Very high<\/span><\/td>\r\n          <td data-sort=\"940\">940<\/td>\r\n          <td data-sort=\"1040\">1040<\/td>\r\n          <td>Standard<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Heavy structural<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>L7<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Quenched &amp; tempered<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"720\">&ge;720<\/td>\r\n          <td data-sort=\"860\">&ge;860<\/td>\r\n          <td>Low temperature<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Low temperature, cryogenic<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>L43<\/td>\r\n          <td>ASTM<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Quenched &amp; tempered<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"720\">&ge;720<\/td>\r\n          <td data-sort=\"860\">&ge;860<\/td>\r\n          <td>Low temperature<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Low temperature<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>8.8<\/td>\r\n          <td>ISO<\/td>\r\n          <td>Carbon steel<\/td>\r\n          <td>Property class<\/td>\r\n          <td><span class=\"badge strength-medium\">Medium<\/span><\/td>\r\n          <td data-sort=\"640\">640<\/td>\r\n          <td data-sort=\"800\">800<\/td>\r\n          <td>Standard<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Structural, industrial<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>10.9<\/td>\r\n          <td>ISO<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Property class<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"900\">900<\/td>\r\n          <td data-sort=\"1000\">1000<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>High load, industrial<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>12.9<\/td>\r\n          <td>ISO<\/td>\r\n          <td>Alloy steel<\/td>\r\n          <td>Property class<\/td>\r\n          <td><span class=\"badge strength-very-high\">Very high<\/span><\/td>\r\n          <td data-sort=\"1080\">1080<\/td>\r\n          <td data-sort=\"1200\">1200<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-low\">Low<\/span><\/td>\r\n          <td>Critical load, industrial<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>A2-70<\/td>\r\n          <td>ISO<\/td>\r\n          <td>Stainless 304<\/td>\r\n          <td>Austenitic<\/td>\r\n          <td><span class=\"badge strength-medium\">Medium<\/span><\/td>\r\n          <td data-sort=\"450\">450<\/td>\r\n          <td data-sort=\"700\">700<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-good\">Good<\/span><\/td>\r\n          <td>General corrosion<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>A4-80<\/td>\r\n          <td>ISO<\/td>\r\n          <td>Stainless 316<\/td>\r\n          <td>Austenitic<\/td>\r\n          <td><span class=\"badge strength-medium-high\">Medium-high<\/span><\/td>\r\n          <td data-sort=\"600\">600<\/td>\r\n          <td data-sort=\"800\">800<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-high\">High<\/span><\/td>\r\n          <td>Marine<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Duplex<\/td>\r\n          <td>EN \/ Special<\/td>\r\n          <td>Duplex steel<\/td>\r\n          <td>Austenitic\/Ferritic<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"450\">450\u2013550<\/td>\r\n          <td data-sort=\"700\">700\u2013800<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-very-high\">Very high<\/span><\/td>\r\n          <td>Offshore, marine, chemical<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Super Duplex<\/td>\r\n          <td>EN \/ Special<\/td>\r\n          <td>Super duplex<\/td>\r\n          <td>Advanced duplex<\/td>\r\n          <td><span class=\"badge strength-very-high\">Very high<\/span><\/td>\r\n          <td data-sort=\"550\">550\u2013700<\/td>\r\n          <td data-sort=\"800\">800\u2013950<\/td>\r\n          <td>Medium<\/td>\r\n          <td><span class=\"badge corrosion-excellent\">Excellent<\/span><\/td>\r\n          <td>Oil &amp; gas, offshore<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Brass<\/td>\r\n          <td>Special<\/td>\r\n          <td>CuZn<\/td>\r\n          <td>Non-ferrous<\/td>\r\n          <td><span class=\"badge strength-low\">Low<\/span><\/td>\r\n          <td data-sort=\"\">-<\/td>\r\n          <td data-sort=\"300\">300<\/td>\r\n          <td>Low<\/td>\r\n          <td><span class=\"badge corrosion-good\">Good<\/span><\/td>\r\n          <td>Electrical<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Inconel<\/td>\r\n          <td>Special<\/td>\r\n          <td>Nickel alloy<\/td>\r\n          <td>High-temperature alloy<\/td>\r\n          <td><span class=\"badge strength-high\">High<\/span><\/td>\r\n          <td data-sort=\"\">-<\/td>\r\n          <td data-sort=\"900\">&gt;900<\/td>\r\n          <td>Very high<\/td>\r\n          <td><span class=\"badge corrosion-excellent\">Excellent<\/span><\/td>\r\n          <td>Aerospace, energy<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <div class=\"ft-note\">\r\n    ASTM, SAE and ISO systems are not directly interchangeable. Strength values, application suitability and corrosion performance must always be evaluated according to the specific specification, operating environment and service conditions.\r\n  <\/div>\r\n<\/div>\r\n\r\n<style>\r\n  #fastener-table-tool {\r\n    font-family: Arial, sans-serif;\r\n    color: #222;\r\n  }\r\n\r\n  .ft-intro {\r\n    margin-bottom: 18px;\r\n    font-size: 14px;\r\n    line-height: 1.6;\r\n    color: #444;\r\n  }\r\n\r\n  .ft-toolbar {\r\n    margin-bottom: 18px;\r\n  }\r\n\r\n  .ft-filters {\r\n    display: grid;\r\n    grid-template-columns: repeat(6, minmax(140px, 1fr));\r\n    gap: 12px;\r\n    margin-bottom: 12px;\r\n  }\r\n\r\n  .ft-filters input,\r\n  .ft-filters select,\r\n  .ft-filters button {\r\n    width: 100%;\r\n    min-height: 44px;\r\n    padding: 10px 12px;\r\n    border: 1px solid #d9d9d9;\r\n    background: #fff;\r\n    font-size: 14px;\r\n    box-sizing: border-box;\r\n  }\r\n\r\n  .ft-filters button {\r\n    cursor: pointer;\r\n  }\r\n\r\n  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@media (max-width: 700px) {\r\n    .ft-filters {\r\n      grid-template-columns: 1fr;\r\n    }\r\n  }\r\n<\/style>\r\n\r\n<script>\r\ndocument.addEventListener(\"DOMContentLoaded\", function () {\r\n  const table = document.getElementById(\"fastenerTable\");\r\n  const tbody = table.querySelector(\"tbody\");\r\n  const originalRows = Array.from(tbody.querySelectorAll(\"tr\"));\r\n\r\n  const searchInput = document.getElementById(\"searchInput\");\r\n  const filterStandard = document.getElementById(\"filterStandard\");\r\n  const filterMaterial = document.getElementById(\"filterMaterial\");\r\n  const filterStrength = document.getElementById(\"filterStrength\");\r\n  const filterCorrosion = document.getElementById(\"filterCorrosion\");\r\n  const filterApplication = document.getElementById(\"filterApplication\");\r\n  const resetBtn = document.getElementById(\"resetFilters\");\r\n  const resultCount = document.getElementById(\"resultCount\");\r\n  const headers = 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\"\";\r\n    filterMaterial.value = \"\";\r\n    filterStrength.value = \"\";\r\n    filterCorrosion.value = \"\";\r\n    filterApplication.value = \"\";\r\n\r\n    headers.forEach(h => h.classList.remove(\"sort-asc\", \"sort-desc\"));\r\n    currentSortIndex = -1;\r\n    currentSortDirection = \"asc\";\r\n\r\n    tbody.innerHTML = \"\";\r\n    originalRows.forEach(row => tbody.appendChild(row));\r\n\r\n    applyFilters();\r\n  });\r\n\r\n  headers.forEach((header, index) => {\r\n    header.addEventListener(\"click\", function () {\r\n      const type = header.getAttribute(\"data-type\") || \"text\";\r\n      sortTable(index, type);\r\n    });\r\n  });\r\n\r\n  applyFilters();\r\n});\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-614b935 e-con-full e-flex e-con e-parent\" data-id=\"614b935\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d772d7f elementor-widget elementor-widget-heading\" data-id=\"d772d7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.dueemmesidol.it\/industries-and-applications\/\">Applications and material selection<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28be505 elementor-widget elementor-widget-text-editor\" data-id=\"28be505\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Selecting the right fastener materials depends on the application environment, required strength class and corrosion resistance.<br data-start=\"1412\" data-end=\"1415\" \/>Carbon steel fasteners are typically used for structural and mechanical applications, while stainless steel and duplex materials are preferred in marine and corrosive environments.<br data-start=\"1597\" data-end=\"1600\" \/>For complex or custom applications, material selection should be evaluated together with manufacturing process and surface treatment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45e5470 elementor-widget elementor-widget-image\" data-id=\"45e5470\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/fastener-materials-comparison-300x300.png\" class=\"attachment-medium size-medium wp-image-6636\" alt=\"Fastener materials comparison: carbon steel, stainless steel, brass and duplex\" srcset=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/fastener-materials-comparison-300x300.png 300w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/fastener-materials-comparison-150x150.png 150w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/fastener-materials-comparison-768x768.png 768w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/fastener-materials-comparison.png 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>This fastener materials guide provides a technical comparison of the most common materials used in industrial applications, including carbon steel, stainless steel, alloy steel, brass and duplex grades.The table below helps engineers and buyers select the most suitable material based on mechanical properties, corrosion resistance and application environment. Fastener materials, grades and property classes differ [&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-6615","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Fastener Materials Guide | Steel, Stainless, Duplex, Brass - Dueemme Sidol<\/title>\n<meta name=\"description\" content=\"Fastener materials guide: carbon steel, alloy and stainless steel, duplex and brass for industrial applications | dueemme sidol |\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dueemmesidol.it\/it\/fastener-materials-guide-steel-stainless-duplex-brass\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fastener Materials Guide | Steel, Stainless, Duplex, Brass\" \/>\n<meta property=\"og:description\" content=\"Fastener materials guide: carbon steel, alloy and stainless steel, duplex and brass for industrial applications | dueemme sidol |\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dueemmesidol.it\/it\/fastener-materials-guide-steel-stainless-duplex-brass\/\" \/>\n<meta property=\"og:site_name\" content=\"Dueemme Sidol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-09T06:41:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/fastener-materials-comparison.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dueemmesidol.it\\\/fastener-materials-guide-steel-stainless-duplex-brass\\\/\",\"url\":\"https:\\\/\\\/www.dueemmesidol.it\\\/fastener-materials-guide-steel-stainless-duplex-brass\\\/\",\"name\":\"Fastener Materials Guide | Steel, Stainless, Duplex, Brass - 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