化學(xué)成分
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標(biāo)準(zhǔn):
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牌號: S31254
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具體成分:s: ≤0.010
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C: ≤0.020CR: 19.5~20.5
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Sl: ≤0.80Ni: 17.5~18.5
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MN: ≤1.00MO: 6.0~6.5
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P: ≤0.030N: 0.18~0.22
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其他: Cu 0.50~1.00