CF3MN ASTM A743 (CENT, INVEST, SAND)

CF3MN ASTM A743 (CENT, INVEST, SAND)

GradeUNS:CF3MN(J92804)

Type:19Chromium, 10 Nickel,with Molybdenum,and Nitrogen

CF3MN Chemical Requirements:

C(max):0.03

Men(max):1.50

Si(max):1.50

P(max):0.04

S(max):0.04

Cr:17.0~22.0

Ni:9.0~13.0

Molybdenum:2.0~3.0

Nitrogen:0.10~0.20

Heat Treatment Requirements:

(1) Heat to 1900°F [1040°C] minimum, hold for sufficient time to heat casting to temperature, and cool rapidly.

(2)As cast if corrosion resistance is acceptable

Tensile Requirements:

Tensile Strength, min

Tensile, ksi: 75

Tensile, MPa:515

Yield Strength, min

Yield, ksi:37

Yield, MPa:255

Elongation in 2 in. [50 mm] min, %A: 35

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

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