303S21不銹鋼,日本303S21不銹鋼圓棒,303S21規(guī)格,303S21批發(fā)零售
303S21棒料化學(xué)成分
C:0.26~0.34
Si:0.17~0. r /> Cr:0.80~1.10
Mo:0.15~0.25
P:≤0.035
S:≤0.035
Ni:≤0.030
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