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  • Users: NJavan
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  1. NJavan

    repair welding of a cracked compressor disk

    Hi to All, We are going to repair welding of a cracked compressor disk. The cracks are formed due to low cycle thermal fatigue. The disk material is ASTM A471 class 12 (Fe-0.45C-0.8Mn-1Cr-0.5Mo). We should qualify the welding procedure before welding on the disk. However, A471 is not available...

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