CA40F ASTM A743 (CENT, INVEST, SAND)

CA40F ASTM A743 (CENT, INVEST, SAND)

GradeUNS:CA40F(J91154)

Type:12Chromium Free Machining

CA40F Chemical Requirements:

C(max):0.20~0.40

Men(max):1.00

Si(max):1.50

P(max):0.04

S(max):0.20~0.40

Cr:11.5~14.0

Ni:1.00 max

Moiybdenum:0.5max

 

Heat Treatment Requirements:

(1) Heat to 1750°F [955°C] minimum, air cool and temper at 1100°F [595°C] minimum, or

(2) Anneal at 1450°F [790°C] minimum

Tensile Requirements:

Tensile Strength, min

Tensile, ksi: 100

Tensile, MPa:690

Yield Strength, min

Yield, ksi:70

Yield, MPa:485

Elongation in 2 in. [50 mm] min, %A: 12

Keywords: corrosion resistant; iron-chromium; iron-chromium nickel; steel castings

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