What is ASTM A479? Stainless Steels
ASTM is the American Society for Testing and Materials, and A479 is the ‘Standard Specification for Stainless Steel Bars and Shapes for use in Boilers and Other Pressure Vessels’. This general specification for supply defines the composition and mechanical property requirements for a wide range of stainless steels when supplied as bars, whether hot- or cold-finished and whether round, hexagonal or square, plus hot-rolled or extruded shapes such as angles, tees and channels. It also includes basic details for sampling and certification requirements, product marking and grain size requirements.
Langley Alloys supplies a wide range of higher performance austenitic stainless steels, duplex and super duplex stainless steels, all of which are included in the ASTM A479 specification. These include:
UNS S20910 (XM-19, Nitronic 50, Fermonic 50, 1.3964)
UNS S31603 (Sanmac 316, Alloy 316L, 1.4404)
UNS S31803 (Duplex 2205, 1.4462, F51)
UNS S32205 (Sanmac 2205, 1.4462, F60)
UNS S32750 (SAF2507, 1.4410, F53)
UNS S32760 (Zeron 100, 1.4501, F55)
UNS S32550 (Ferralium 255, 1.4507, F61)
Sanmac and SAF2507 are registered trademarks of Sandvik Intellectual Property AB. Zeron 100 is registered trademark of Rolled Alloys Inc. Nitronic is registered trademark of AK Steel Corporation. Ferralium and Fermonic are registered trademarks of Langley Alloys Ltd.
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