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一、前言以前石家庄水泵厂用锰钼系合金白口铁生产杂质泵,数年来生产实践和产品使用寿命证明,该种材料的铸造工艺性能是稳定的,同时具有较好的使用寿命。
I. Preface Previously, Shijiazhuang Pump Factory used Mn-Mo alloy white iron to produce impurity pump. Over the past few years, its production practice and product service life proved that the casting process performance of this kind of material is stable and has a good service life at the same time.