ASTM A283 / A283M Grade C

Chemical Properties

Carbon,max Manganese,max Phosphorus,max Sulfur,max Silicon Copper, min % when copper is specified
Plates 11/2 in. [40 mm] and under, max Plates over 11/2 in. [40 mm]
0.24 0.90 0.030 0.030 0.40 0.15 – 0.40 0.20

Mechanical Properties

Tensile strength,min:
ksi [MPa]
Yield strength,min:
ksi [MPa]
Elongation in 8 in. [200 mm] min, %A Elongation in 2 in. [50 mm] min, %A,B
55 – 75 [380–515] 30 [205] 22 25

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