CA28MWV ASTM A743 (CENT, INVEST, SAND)

CA28MWV ASTM A743 (CENT, INVEST, SAND)

GradeUNS:CA28MWV(J91422)

Type:12Chromium,with Molybdenum,Tungsten and Vanadium

Chemical Requirements:

C(max):0.20~0.28

Men(max):0.50~1.00

Si(max):1.00

P(max):0.03

S(max):0.03

Cr:11.0~12.5

Ni:0.5~1.00

Molybdenum:0.90~1.25

Tungsten,max:0.90~1.25

Vanadium,max:0.20~0.30

Heat Treatment Requirements:

(1) Heat to 1875–1925°F [1025–1050°C], quench in air or oil, and temper at 1150°F [620°C] minimum, or

(2) Anneal at 1400°F [760°C] minimum

Tensile Requirements:

Tensile Strength, min

Tensile, ksi:140

Tensile, MPa:965

Yield Strength, min

Yield, ksi:110

Yield, MPa:760

Elongation in 2 in. [50 mm] min, %A: 10

Reduction of Area, min, %:24

Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings

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