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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Si
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Mn
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P
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S
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Ni
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Cr
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Mo
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其他
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沉淀硬化型
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≤0.07
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≤1.00
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≤1.00
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≤0.035
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≤0.030
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3.00~5.00
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15.50~17.50
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Cu3.00~5.00
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Nb0.15~0.45
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SUS631
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≤0.09
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≤1.00
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≤1.00
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≤0.035
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≤0.030
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6.50~7.75
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16.00~18.00
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Cu≤O.50
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Al0.75~1.50
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632
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≤0.09
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≤1.00
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≤1.00
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≤0.035
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≤0.030
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6.50~7.50
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14.00~16.00
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2.00~3.00
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A10.75~1.50
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