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化学成分、机械性能
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标准
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牌号
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化学成分（%）
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机械性能
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C
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Si
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Mn
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P
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S
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Cu
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Ni
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Mo
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Cr
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V
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抗拉强度Mpa
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屈服强度Mpa
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ASTM
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A
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≤0.25
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-
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≤0.95
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≤0.05
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≤0.06
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≤0.40
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≤0.40
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≤0.15
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≤0.40
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≤0.08
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≥330
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≥205
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A53
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B
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≤0.30
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-
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≤1.20
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≤0.05
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≤0.06
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≤0.40
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≤0.40
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≤0.15
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≤0.40
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≤0.08
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≥415
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≥240
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ASTM
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B
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≤0.30
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≤0.10
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0.29~1.06
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≤0.035
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≤0.035
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≤0.40
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≤0.40
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≤0.15
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≤0.40
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≤0.08
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≥415
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≥240
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