ASTM A744 / A744M Grade CF8M

Chemical Properties

Carbon, max Manganese, max Silicon Phosphorus, max Sulfur, max Chromium Nickel Molybdenum

Mechanical Properties

Tensile strength,
ksi [MPa] 		Yield strength,
min, ksi [MPa] 		Elongation in 2 in.
[50 mm], min, %A 		Reduction of area,
min, %
Note A: When ICI test bars are used in tensile testing as provided for in this specification, the gage length to reduced section diameter ratio shall be 4:1.
Note B: For low ferrite or nonmagnetic castings of this grade, the following values shall apply: tensile strength, min, 65 ksi [450 MPa]; yield point, min, 28 ksi [195 MPa].

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