{"id":2228,"date":"2026-04-13T11:54:34","date_gmt":"2026-04-13T11:54:34","guid":{"rendered":"https:\/\/asiabolt.om\/?post_type=product&#038;p=2228"},"modified":"2026-05-22T05:22:43","modified_gmt":"2026-05-22T05:22:43","slug":"low-temperature-stud-bolt-l7-l7m","status":"publish","type":"product","link":"https:\/\/asiabolt.om\/ar\/product\/low-temperature-stud-bolt-l7-l7m\/","title":{"rendered":"Low Temperature Stud Bolt (L7 \/ L7M)"},"content":{"rendered":"<h2 class=\"Woocommerce-SubHeading\">ASTM A320 Low Temperature Stud Bolts (Grade L7 \/ L7M)<\/h2>\n<p>In cryogenic applications and sub-zero environments, standard carbon steel fasteners become brittle and prone to catastrophic failure. <strong>Asia Bolts Industries LLC<\/strong> supplies high-integrity <strong>low temperature stud bolts<\/strong> manufactured to ASTM A320 specifications. Grades L7 and L7M are heat-treated alloy steel fasteners designed to retain impact toughness at temperatures as low as -101\u00b0F (-74\u00b0C).<\/p>\n<p>As a trusted <strong>fastener manufacturer in UAE<\/strong>, we serve the LNG, petrochemical, and refrigeration industries with certified low-temperature carbon steel (LTCS) fasteners. Every batch undergoes rigorous Charpy V-Notch impact testing to ensure safety in critical cold service applications.<\/p>\n<h3 class=\"Woocommerce-SubHeading\">Technical Specifications<\/h3>\n<table class=\"ab-spec-table\">\n<tbody>\n<tr>\n<td><strong>Product Type<\/strong><\/td>\n<td>Low Temperature Stud Bolt (Fully Threaded)<\/td>\n<\/tr>\n<tr>\n<td><strong>Standard<\/strong><\/td>\n<td>ASTM A320 \/ ASME SA320<\/td>\n<\/tr>\n<tr>\n<td><strong>Grade L7<\/strong><\/td>\n<td>Alloy Steel (4140), Heat Treated<\/td>\n<\/tr>\n<tr>\n<td><strong>Grade L7M<\/strong><\/td>\n<td>Alloy Steel, Lower Yield Strength (For Sour Service)<\/td>\n<\/tr>\n<tr>\n<td><strong>Temperature Range<\/strong><\/td>\n<td>Down to -101\u00b0F (-74\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td><strong>Diameter Range<\/strong><\/td>\n<td>M12 to M150 (1\/4&#8243; to 6&#8243;)<\/td>\n<\/tr>\n<tr>\n<td><strong>Length Range<\/strong><\/td>\n<td>Custom lengths available per ASTM A320<\/td>\n<\/tr>\n<tr>\n<td><strong>Heat Treatment<\/strong><\/td>\n<td>Quenched and Tempered<\/td>\n<\/tr>\n<tr>\n<td><strong>Surface Finish<\/strong><\/td>\n<td>Plain, Phosphate Coated, PTFE Coated, Hot Dip Galvanized<\/td>\n<\/tr>\n<tr>\n<td><strong>Testing<\/strong><\/td>\n<td>Charpy V-Notch Impact, Hardness, Tensile, PMI, NACE MR0175<\/td>\n<\/tr>\n<tr>\n<td><strong>Documentation<\/strong><\/td>\n<td>MTC EN 10204 3.1, Impact Test Reports, COC, COO<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 class=\"Woocommerce-SubHeading\">Difference Between L7 and L7M Stud Bolts<\/h3>\n<p>Selecting the correct grade is vital for low-temperature safety:<\/p>\n<ul>\n<li><strong>ASTM A320 L7:<\/strong> Standard low-temperature alloy steel stud bolts. Suitable for general cryogenic services where high strength is required at sub-zero temperatures.<\/li>\n<li><strong>ASTM A320 L7M:<\/strong> Similar to L7 but with a lower maximum yield strength. Specifically designed for sour service environments (H2S presence) to prevent Stress Corrosion Cracking (SCC) while maintaining low-temperature toughness.<\/li>\n<\/ul>\n<h3 class=\"Woocommerce-SubHeading\">Quality Control &amp; Impact Testing<\/h3>\n<p>At <strong>Asia Bolts Industries LLC<\/strong>, we understand that toughness is as important as strength in cryogenic services. Our quality assurance protocol includes:<\/p>\n<ul>\n<li><strong>Charpy V-Notch Impact Testing:<\/strong> Minimum 20 ft-lbs (27 Joules) average at -101\u00b0F (-74\u00b0C) as per ASTM A320.<\/li>\n<li><strong>Heat Treatment Verification:<\/strong> Ensuring proper quenching and tempering to achieve required microstructure.<\/li>\n<li><strong>Hardness Testing:<\/strong> Verification to ensure compliance with NACE MR0175 for sour service (L7M).<\/li>\n<li><strong>Dimensional Inspection:<\/strong> Thread gauging to ensure proper fit with ASTM A194 Grade 7 or 7M nuts.<\/li>\n<\/ul>\n<h3>Request a Quote for Low Temp Stud Bolts<\/h3>\n<p>Ensure safety in your cryogenic applications with certified fasteners. Contact <strong>Asia Bolts Industries LLC<\/strong> today for competitive pricing on <strong>low temperature stud bolts<\/strong>. Our team is ready to provide impact test reports and material certifications upon request.<\/p>\n<p><a class=\"button\" href=\"\/ar\/rfq\/\">Request a Quote Now<\/a> | <a class=\"button\" href=\"\/ar\/contact\/\">Contact Engineering Team<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Asia Bolts Industries LLC<\/strong> manufactures specialized <strong>low temperature stud bolts<\/strong> designed for cryogenic services and sub-zero environments. Conforming to ASTM A320 Grade L7 and L7M, these fasteners maintain toughness and prevent brittle fracture at extreme temperatures.<\/p>\n<ul class=\"ab-features-list\">\n<li><i class=\"fas fa-check-circle\"><\/i> <strong>Standard:<\/strong> ASTM A320 \/ ASME SA320<\/li>\n<li><i class=\"fas fa-check-circle\"><\/i> <strong>Grades:<\/strong> L7 (Alloy Steel), L7M (Low Yield Strength)<\/li>\n<li><i class=\"fas fa-check-circle\"><\/i> <strong>Impact Testing:<\/strong> Charpy V-Notch at -101\u00b0F (-74\u00b0C)<\/li>\n<li><i class=\"fas fa-check-circle\"><\/i> <strong>Certification:<\/strong> Saudi Aramco Approved, ISO 9001, MTC EN 10204 3.1<\/li>\n<\/ul>\n<p><em>Essential for LNG, cryogenic pipelines, and refrigeration units. Full traceability and impact test reports provided. Stock available in Dubai.<\/em><\/p>","protected":false},"featured_media":2890,"template":"","meta":{"_kadence_starter_templates_imported_post":false},"product_brand":[],"product_cat":[98],"product_tag":[],"class_list":["post-2228","product","type-product","status-publish","has-post-thumbnail","product_cat-stud-bolts","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product\/2228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/media\/2890"}],"wp:attachment":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/media?parent=2228"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product_brand?post=2228"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product_cat?post=2228"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product_tag?post=2228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}