HB-YD337(Q)1.6≥48用于铸钢或锻钢上堆焊锻模Appliedtorepairforgingdieatcaststeelorforgingsteel.HB-YD397(Q)1.6≥40用于堆焊铸钢或锻钢做坯体的热锻模或堆焊高强度耐磨件Appliedtorepairhotforgingdieatcaststeelorforgingsteel,orhighstrengthwearsurfacing.HB-YD405A(Q)1.650-59用于热轧辊开坯辊堆焊Appliedtorepairhot-rollingbloomingrollor.HB-YD430A(Q)1.620-35打底层堆焊焊丝Abackinghardfacingflux-coredWiresHB-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Appliedtovalvewhichoperating***vperatureislessthan510℃.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.HB-YD788(Q)1.655-62硬度高，可以多层堆焊。Highhardnessandmulti-layerweldingHB-YD888(Q)1.2,1.660-65硬度高，堆焊层厚度不超过6mm。Highhardness,butthethicknessofsurfacinglayerislessthan6mm.)