ASTM A554 & A269 (Latest release)

The ASTM A554 & A269 specifications covers nominal wall thickness, seamless, and welded austenitic steel tubing for general corosion resisting and low or high temperature service.

ASTM A249 (Latest release)

The ASTM A249 specification covers nominal wall thickness welded tubes and heavily cold worked welded tubes made from austenitic steels. More specifically, the ASTM A429 is intended for such applications as Boiler, Superheater, Heat Exchanger, and Condensor.

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Austenitic Stainless Steels

304/304L                     Standard Austenitic Grades

310/310S/310H         High Temperature Resistant Grades

316/316L/316H          Improved resistant to pitting corrosion in                                                 chloride environments

Ferritic & Duplex Stainless Steels

409       Automotive grade - weld stabilized

430       Resistant to mildly corrosive environments

2205     Standard duplex stainless steel - high resistance to pitting                  and stress corrosion

2207     Super duplex with very high resistance to pitting and                           stress corrosion