ASTM A204 / A204 Grade A

Chemical Properties

Carbon Manganese Phosphorus,max Sulfur,max Silicon Nickel
Up to 1 in. [25 mm] incl, in thickness Over 1 in. to 2 in. [50 mm] incl, in thickness Over 2 in. to 4 in. [100 mm] incl, in thickness Over 4 in. [100 mm] in thickness
0.18 0.21 0.23 0.25 0.98 0.025 0.025 0.13–0.45 0.41–0.64

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
65–85 [450–585] 37 [255] 19 23

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