HB-YD888(Q)高硬度耐磨焊丝HB-YD488A(Q)1.645-50用于轧辊堆焊AppliedtorepairrollorHB-YD507Mo(Q)1.635-45用于510℃以下中高压阀门堆焊Appliedtovalvewhichoperatingtemperatureislessthan510℃.HB-YD518(Q)1.640-50用于连铸辊堆焊AppliedtorepaircontinuouscasterrollerHB-YD688(Q)1.650-60用于磨煤辊打底焊(韧性好，可以多层堆焊)Usedtocoalrollerbackingwelding)