Grade（UNS）：CK20(J94202)
Type：25Chromium, 20 Nickel
Chemical Requirements:
C(max):0.20
Men(max)：2.00
Si(max)：2.00
P(max):0.04
S(max):0.04
Cr:23.0~27.0
Ni:19.0~22.0
Heat Treatment Requirements:
Heat to 2000°F [1093°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: 65
Tensile, MPa:450
Yield Strength, min
Yield, ksi:28
Yield, MPa:195
Elongation in 2 in. [50 mm] min, %A: 30
Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings