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Super Duplex ASTM A479 UNS S32750 / A182 F53 Fasteners

ASTM A479 UNS S32750 A182 F53 Fasteners, Material Overview & Form Factors

ASTM A479 UNS S32750 A182 F53 is a high-performance alloy used wherever standard fasteners cannot meet the corrosion, temperature, or strength envelope. TorqBolt manufactures the full ASTM A479 UNS S32750 A182 F53 fastener range, bolts, nuts, screws, washers, studs, and custom forgings, under one ISO 9001:2015 quality system, with PED 2014/68/EU module-H qualification for pressure-equipment service.

Where ASTM A479 UNS S32750 A182 F53 Excels

ASTM A479 UNS S32750 A182 F53 is specified in oil & gas wellhead components, refinery heat exchangers, petrochemical reactors, power-generation turbines, marine offshore platforms, and pharmaceutical / food-grade processing. Its corrosion resistance, high-temperature strength, and weldability make it the default for service conditions outside the carbon and standard-stainless envelope.

Form Factors Available

Standards & Certification

ASTM A479 UNS S32750 A182 F53 fasteners are supplied with EN 10204 3.1 (mill cert) or 3.2 (third-party witnessed) material test reports as standard. Additional certification packages: NACE MR0175 / ISO 15156, NORSOK M-650, API 6A (wellhead), API 20E (subsea bolting), PED 2014/68/EU. Third-party inspection by TUV, Lloyd's, BV, DNV, SGS, and Intertek arrangeable on order.

Specialty Fastener Alloys

TorqBolt manufactures specialty fasteners across the full range of corrosion-resistant alloys, high-temperature superalloys, and engineered metallurgies required by process industries. Beyond high-volume Inconel, Hastelloy, Duplex, and stainless grades, our supply chain covers the long tail of specification-driven alloys for unique service envelopes.

Each specialty alloy is sourced from approved mills with full melt traceability through a closed forging route. Heat-treat condition, mechanical properties, and corrosion testing are controlled to the customer's drawing or governing specification, ASTM, ASME, AMS, MIL, NORSOK, NACE, or proprietary end-user codes. EN 10204 3.1 / 3.2 material test certificates issued with every lot.

Third-party inspection by TUV, Lloyd's, BV, DNV, SGS, and Intertek arrangeable. NACE MR0175 / ISO 15156, NORSOK M-650, API 6A, API 20E, and PED 2014/68/EU compliance available across the alloy range.

Request a Quote for Super Duplex ASTM A479 UNS S32750 / A182 F53 Fasteners

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