OK 92.86 SMAW Type Basic E NiCu-7 Description A nickel-copper electrode for welding NiCu alloys to themselves and to steels and for corrosionresistant surfacing. The weld metal of OK 92.86 is crack resistant and ductile and meets rigorous requirements relating to corrosion resistance in sea water and in reducing and oxidising acids. OK 92.86 is used for welding corrosion-resistant monel alloys within the petroleum and ammoniun sulphate industry and in power plants. Welding current DC+
Classifications SFA/AWS A5.11 E NiCu-7 EN ISO 14172 E Ni 4060 (NiCu30Mn3Ti) Typical all weld metal composition, % C Si Mn Ni Nb Cu Al Ti Fe 0.01 0.3 2.1 66 <0.3 29 <0.5 0.2 1.6 Typical mech. properties all weld metal Yield stress, MPa 410 Tensile strength, MPa 640 Elongation A4, % 40 Charpy V Test temps, °C Impact values, J +20 100 -196 80
