SA 226-2 相当于国内标准什么材质

2024-12-17 06:11:54
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回答1:

SPECIFICATION FOR ELECTRIC-RESISTANCE-
WELDED CARBON STEEL BOILER AND
SUPERHEATER TUBES FOR HIGH-PRESSURE
SERVICE,
是一种碳钢,力学性能是:
Tensilestrength,min,ksi[MPa] 47[325]
Yieldstrength,min,ksi[MPa] 26[180]
Elongationin2in.or50mm,min, %35
化学组成是:
Carbon,%0.06to0.18
Manganese,%0.27to0.63
Phosphorus,max,%0.035
Sulphur,max,%0.035
Silicon,max,%0.025