化學(xué)成分
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標(biāo)準(zhǔn):
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牌號(hào): 進(jìn)口NCF718
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具體成分:s: ≤0.015
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C: ≤0.08CR: 17.0~21.0
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Sl: ≤0.35Ni: 50.0~55.0
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MN: ≤0.35MO: 2.80~3.30
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P: ≤0.015N:
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其他: Cu≤0.30 Al0.20~0.80 Ti0.65~1.15 Fe余量 Nb+Ta4.75~5.50 B≤0.006