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    玛钢学名可锻铸铁又名镀锌管件,生产过程是首先浇注成白口铸铁件然后经可锻化退火(可锻化退火使渗碳体分解为团絮状石墨)而获得可锻铸铁件,经热镀锌工艺处理并机械加工套丝后即为成品。玛钢不是钢不可焊接。
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