S31277

Stainless Steel

High-alloy super-austenitic UNS S31277

Mechanical Properties

Tensile ≥690MPa Yield ≥330MPa Elongation ≥40%

Chinese Standard

ASTM A959

Applications

Offshore, seawater, aggressive chemical service

Available Forms

Bar, plate, sheet, tube

Uses

27-7Mo super-austenitic (654SMO-type)

Heat Treatment

Solution anneal 1150-1200°C, water quench

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