qdfengdong

球墨铸铁灰铸铁图片 - 中国制造

2017年5月22日 ... 蠕墨铸铁的力学性能,介于基体组织相同的优质灰铸铁和球墨铸铁之间。当化学成分 一定时。这类铸铁的强度比灰铸铁高,破坏时应变较大,具有一定的韧性。

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