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Zhao YuanMetal Type Flux Cored Wire for Hardfacing
NFG-H400SM is a metal-type flux-cored wire designed for direct hardfacing on cast iron molds. In the first layer, the deposited metal forms a tough austenitic microstructure due to the absorption of carbon from the cast iron base material through dilution. However, from the second to third layers onward, it transforms into a martensitic-austenitic structure, exhibiting excellent wear resistance. As a result, it is suitable for hardfacing applications on severely worn mold surfaces or areas subjected to high pressure, such as weld buildup on bearing surfaces.
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