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15crmo鋼板; 15crmo鋼板;15crmo鋼板;
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牌號(hào)
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化學(xué)成分(質(zhì)量分?jǐn)?shù))(%)
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C
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Mn
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Si
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Cr
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Mo
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Ni
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Nb+Ta
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S
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P
|
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15CrMo
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0.12~0.18
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0.40~0.70
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0.17~0.37
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0.80~1.10
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0.40~0.55
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≤0.30
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_
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≤0.035
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≤0.035
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牌號(hào)
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拉力強(qiáng)度MPa
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屈服點(diǎn)MPa
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伸長(zhǎng)率(%)
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15CrMo
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440~640
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235
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21
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