Cast UNS: J84090
Cast Grade: C12A
Cast ASTM: A217, C12A (CENT, INVEST, SAND)
Al: 0.04 max
Cr: 8.0 - 9.5
Fe: Bal
Mn: 0.30 - 0.60
Ni: 0.40 max
Si: 0.20 - 0.50
C Max: 0.08 - 0.12
Other: Mo 0.85 - 1.05; Nb (Cb) 0.060 - 0.10; V 0.18 - 0.25; N 0.03 - 0.07
Tensile, ksi: 85 - 110
Tensile, MPa: 585 - 760
Yield, ksi: 60
Yield, MPa: 415
Elongation %: 18
Heat Treatment: Normalize + Temper; Quench + Temper
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