ASTM A743 / A743M Grade CB30

Chemical Properties

Carbon, max Manganese, max Silicon Phosphorus, max Sulfur, max Chromium Nickel Copper
Note B: For Grade CB30 a copper content of 0.90 to 1.20% is optional.

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.

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