CN7MS ASTM A743 (CENT, INVEST, SAND)
Grade（UNS）：CN7MS (J94650)
Type：19Chromium,24 Nickel，with Copper and Molybdenum
Chemical Requirements:
C(max):0.07
Men(max)：1.00
Si(max)：2.50~3.50
P(max):0.04
S(max):0.03
Cr:18.0~22.0
Ni:22.0~25.0
Molybdenum:2.5~3.0
Copper:1.5~2.0
Heat Treatment Requirements:
Heat to 2100°F [1150°C] minimum, 2150°F [1180°C] maximum, hold for sufficient time (2 h minimum) to heat
casting to temperature and quench in water
Tensile Requirements:
Tensile Strength, min
Tensile, ksi:70
Tensile, MPa:485
Yield Strength, min
Yield, ksi:30
Yield, MPa:205
Elongation in 2 in. [50 mm] min, %A: 35
Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings