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不銹鋼球

產品詳情:
  材質影響:鋼球、鑄鐵球、合金鋼球等,實心鋼球不同材質的密度不同,鋼的密度比鑄鐵的大,合金鋼則依主要合金元素的密度及含量不同而不同。
  鋼球制造方法的影響:軋制及鍛打的鋼球其組織致密,故密度大,鑄造的鑄鋼球、銅球鑄鐵球或鑄造合金球等的組織不甚致密,甚至其中有氣孔,故密度小一些。

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欧美日韩亚洲