CG3M ASTM A743 (CENT, INVEST, SAND)
Grade（UNS）：CG3M (J92999)
Type：19Chromium, 11 Nickel，with Molybdenum,
Chemical Requirements:
C(max):0.03
Men(max)：1.5
Si(max)：1.5
P(max):0.04
S(max):0.04
Cr:18.0~21.0
Ni:9.0~13.0
Molybdenum:3.0~4.0
Heat Treatment Requirements:
Heat to 1900°F [1040°C] minimum, hold for sufficient time to heat casting to temperature, quench in water or rapid
cool by other means
Tensile Requirements:
Tensile Strength, min
Tensile, ksi:75
Tensile, MPa:515
Yield Strength, min
Yield, ksi:35
Yield, MPa:240
Elongation in 2 in. [50 mm] min, %A: 25
Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings