化學(xué)成分
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標(biāo)準(zhǔn):
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牌號: 29-4C
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具體成分:s: ≤0.030
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C: ≤0.030CR: 28.0~30.0
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Sl: ≤1.00Ni: ≤1.00
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MN: ≤1.00MO: 3.6~4.2
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P: ≤0.040N: ≤0.045
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其他: (Ti+Nb)6*(C+N)~1.00 Ti-Nb≥0.20