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  • Users: metalsmith
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  1. metalsmith

    welding of nickel chromium steels

    welding of an austenitic type steel with a 309 lsi wire is causing a crack in the fusion zone. pre-heats are around 180c and post heat is around 220c for 8 hours. Welded parts are under vibration and shock stress. I'am told that introducing any other type of filler will cause a martensitic...

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