CA6NM ASTM A743 (CENT, INVEST, SAND)
Grade（UNS）：CA6NM (J91540)
Chemical Requirements:
C(max):0.06
Men(max)：1.00
Si(max)：1.00
P(max):0.04
S(max):0.03
Cr:11.5~14.0
Ni:3.5~4.5
Molybdenum:0.40~1.0
Heat Treatment Requirements:
Heat to 1850°F [1010°C] minimum, air cool to 200°F [95°C] or lower prior to any optional intermediate temper and
prior to the final temper. The final temper shall be between 1050°F [565°C] and 1150°F [620°C].
Tensile Requirements:
Tensile Strength, min
Tensile, ksi:110
Tensile, MPa:755
Yield Strength, min
Yield, ksi:80
Yield, MPa:550
Elongation in 2 in. [50 mm] min, %A: 15
Reduction of Area, min, %:35
Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings