WELEHK-40KIA日本進口不銹鋼焊條E310H-16焊條Heat-Resistance Steel Covered ElectrodesTrade DesignationCorresponding SpecificationsApplicationsJISAWSWEL HH-30--For 0.3C-25Cr-12Ni Stainless SteelWEL EHK-40K1AES310H-16E310H-16For 0.4C-25Cr-20Ni Stainless SteelWEL HM-40--For 0.4C-25Cr-35Ni-Mo AlloyWEL MR-1--For 0.45C-25Cr-35Ni-1.5W-Nb AlloyWEL 22H--For 0.5C-27Cr-50Ni-5W AlloyWEL HS--For 0.5C-27Cr-35Ni-15Co-5W Alloy