T912

Alloy Steel

Seamless ferritic/martensitic alloy-steel tube (K91469), chromium-molybdenum creep-resistant grades for elevated-temperature boiler and heat-exchanger service.

Mechanical Properties

Tensile 620 MPa min Yield 440 MPa min Elongation 19% min

Chinese Standard

ASME SA-213 / SA-213M; ASTM A213

Applications

Boilers, superheaters, reheaters, economizers, heat exchangers, high-temp/pressure piping

Available Forms

Seamless tube, pipe

Uses

Boiler/superheater tubes, heat exchangers, high-temp piping

Heat Treatment

Normalize 1040-1120 C + temper 750-800 C

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