化學(xué)成分
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標(biāo)準(zhǔn):
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牌號(hào): 1.4311
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具體成分:s: ≤0.015
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C: ≤0.030CR: 17.5~19.5
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Sl: ≤1.00Ni: 8.5~11.5
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MN: ≤2.00MO:
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P: ≤0.045N: ≤0.12~0.22
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其他: