1748| 6
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HT200的化學(xué)成分Mn低于0.6有影響嗎? |
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點(diǎn)評(píng)
有些力學(xué)性能超過(guò)標(biāo)準(zhǔn)了,但加工性能不行。以前一批鑄鐵材質(zhì)太硬 加工起來(lái)費(fèi)勁,后來(lái)全部退貨。
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