3029| 15
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請(qǐng)問下知道元素含量,怎么知道合金牌號(hào),? |
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點(diǎn)評(píng)
手動(dòng)點(diǎn)贊
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點(diǎn)評(píng)
GB/T 5231-2001 中查到與你這個(gè)成分最接近的就是鉛黃銅HPb59-3 ,。但你這個(gè)銅含量低了4個(gè)點(diǎn),鉛含量高了1個(gè)點(diǎn)
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點(diǎn)評(píng)
要么是特殊材料,,要么是材料特殊
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