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5 lb 72 Electrode 3/32"

5 lb 72 Electrode 3/32"
Brand: MuggyWeld
Product Code: 572332
Availability: In Stock

There are occasions in industry where exceedingly dirty cast iron is encountered. 77, which bonds well to most cast iron does have a limitation. Since 77 has controlled penetration, which is ideal for non-cracking and machinability, it may not be able to bond exceptionally dirty cast iron. 72 should be used instead. It has a high penetration, can anchor deep into the subsurface of dirty cast iron, and seals in porosity generating contaminates prior to finish welding with 77. 72 is used for a cladding operation, then the weld is completed with 77.

  • 72 is our recommendation for welding cast iron exhaust manifolds and woodstoves

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