ASTM A588

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ASTM A588 Grade A
CMnPSSINiCrMoCuVNb
≤0.190.8-1.25≤0.04≤0.050.3-0.65≤0.040.4-0.65~0.25-0.50.02-0.1~
Yield Strength MpaTensile Strength MpaElongation % in 200mmElongation % in 50mmThickness
≥345≥4851821less 100mm
≥315≥460100-125mm
≥290≥435125-200mm

ASTM A588 Grade B
CMnPSSINiCrMoCuVNb
≤0.190.8-1.25≤0.04≤0.050.3-0.65≤0.40.4-0.65~0.25-0.40.02-0.1~
Yield Strength MpaTensile Strength MpaElongation % in 200mmElongation % in 50mmThickness
≥345≥4851821less 100mm
≥315≥460100-125mm
≥290≥435125-200mm


ASTM A588 Grade C
CMnPSSINiCrMoCuVNb
≤0.150.8-1.25≤0.04≤0.050.15-0.50.25-0.50.5~0.20-0.50.01-0.1~
Yield Strength MpaTensile Strength MpaElongation % in 200mmElongation % in 50mmThickness
≥345≥4851821less 100mm
≥315≥460100-125mm
≥290≥435125-200mm


ASTM A588 Grade K
CMnPSSINiCrMoCuVNb
≤0.170.5-1.2≤0.04≤0.050.25-0.65≤0.040.4-0.70.10.3-0.50.005-0.05~
Yield Strength MpaTensile Strength MpaElongation % in 200mmElongation % in 50mmThickness
≥345≥4851821less 100mm
≥315≥460100-125mm
≥290≥435125-200mm

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