CB30 ASTM A743 (CENT, INVEST, SAND)
Type：20Chromium
C(max):0.30
Men(max)：1.00
Si(max)：1.50
P(max):0.04
S(max):0.04
Cr:18.0~21.0
Ni:2.00 max
Heat Treatment Requirements:
(1) Heat to 1450°F [790°C] minimum, and air cool, or
(2) Heat to 1450°F [790°C] minimum, and furnace cool
Tensile Requirements:
Tensile Strength, min
Tensile, ksi:65
Tensile, MPa:450
Yield Strength, min
Yield, ksi:30
Yield, MPa:205
Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings