Ni-Cr-Fe alloyed GTA (TIG) welding rod, depositing Ni-20Cr3Mn2,5Nb weld metal. Especially used for welding of highly creep resistant, heat and corrosion resistant Ni-Cr alloys, like Incoloy 800, 5-9% Ni containing steels, cryogenic stainless steels down to -196°C. Also suitable for joining dissimilar materials as stainless steels to low alloyed steels, stainless steels to nickel alloys, buffering of difficult to weld steels cladding on steels and repair welds of them. Weld metal deposit is insensitive to cracks, has very good resistance to acids, salts and alkaline solutions, molten salt (e.g. cyanide) in oxidizing and carburization atmospheres. In sulphuroıus atmospheres the weld metal can be used up to 500°C. Generally used for welding on LPG and LNG processing and storing plants, oven parts, burners, heat treatment equipment, cement works, moulds, transport and storage tanks of liquid gases in chemical, petrochemical industries, glassworks, civil engineering, repairing and maintenance workshops. Stick Electrode : ENI 422MIG/MAG Welding Wire: MNI 422
Ni-Cr-Mo alloyed GTA (TIG) welding rod, depositing Ni-22Cr9Mo3,5Nb weld metal. TNI 425 is used for welding of highly corrosion resistant Ni-Cr-Mo alloys, like Alloy 625, 825 and similar alloys. Due to it's good cryogenic toughness down to -196°C, preferred for welding of cyrogenic nickel alloys, e.g. X1NiCrMoCuN25-20-7. In sulphur free atmospheres the weld metal is non-scaling 1200°C, in sulphurous atmospheres the weld metal can be used in service temperatures up to 500°C. It is also highly resistant stress corrosion cracking and pitting corrosion in phosphoric acid, organic acids, sea water and polluting environments. Weld metal is insensitive to cracking and very resistant to thermal shocks. Used for joining of dissimilar nickel alloys, joining dissimilar stainless steels, low alloyed steels to stainless steels or to nickel alloys, buffering of difficult to weld steels and repair welding of them. Stick Electrode : ENI 425MIG/MAG Welding Wire: MNI 425