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采用一种特殊铸造工艺成功地研制了一种新型模具材料———DGJW40钢结硬质合金 ,它不仅可以锻造改形 ,还具有良好的热处理性能 ,用在拉丝、拉伸及挤压等模具上取得了良好的效果
Using a special casting process has successfully developed a new type of die material --- DGJW40 steel hardened cemented carbide, which not only forging modification, but also has good heat treatment properties, used in drawing, drawing and extrusion mold Have achieved good results