Welding of Flake and Spheroidal Graphite Ni-Resist Castings (4421)

Although flake-graphite grades of Ni-Resist cast iron are capable of being welded satisfactorily, provided that sulphur and phosphorous content are controlled, satisfactory welds on spheroidal graphite Ni-Resist are more difficult to achieve. Covers necessary compositional and welding parameter controls.

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