CF8C ASTM A743&A743M—-Special alloy

CF8C ASTM A743&A743M

GradeUNS

CF8C mold
CF8C

CF8C  (J92710)

Type:19 Chromium, 10 Nickel,with Columbium

Chemical Requirements:

C(max):0.08

Men(max):1.5

Si(max):2.00

P(max):0.04

S(max):0.04

Cr:18.0~21.0

Ni:9.0~12.0

Heat Treatment Requirements:

Heat to 1900°F [1040°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: 70

Tensile, MPa:485

Yield Strength, min

Yield, ksi:30

Yield, MPa:205

Elongation in 2 in. [50 mm] min, %A: 30

The steel is characterized by low variant, strength, more wear-resisting when used in high temperature environment.Commonly used in high temperature mold.

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

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