河北新世纪焊接材料厂

JHD268[4cr4w8v]钢厂用埋弧耐磨焊丝                                                             规格；1.2-1.6-2.0-2.5-3.0-4.0，                                             化学成分；C  0.34，Cr  3.68，W  7.17，Mn.  032，Si  0.33.V  0.31，  硬度55                                                              适用于钢厂轧机卷取机助卷辊，夹送辊堆焊，