合金结构钢30crmo厚薄板圆棒 板料

C:0.26~0.34

Si:0.17~0.37

Mn:0.40~0.70

Cr:0.80~1.10

Mo:0.15~0.25

P:≤0.035

S:≤0.035

Ni:≤0.030

Cu:≤0.030