化學(xué)成分
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標(biāo)準(zhǔn):
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牌號(hào): 2507
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具體成分:s: ≤0.020
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C: ≤0.030CR: 24.0~26.0
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Sl: ≤0.80Ni: 6.0~8.0
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MN: ≤1.20MO: 3.0~5.0
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P: ≤0.035N: 0.24~0.32
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其他: Cu≤0.50