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  1. UHoustonMSME

    Can I use X22CrMoV12-1 bolting for ASME valve?

    We have traditionally used A193-B16 bolts for valves up to 1050F. Beyond 1050F we use INCONEL 625 or B446 bolts. This works fine but is really expensive. EN 10269 permits use of the X22CrMoV12-1 (DIN 1.4923) bolts to 600 C (1100 F). This is a 12 chrome creep resistant steel, perhaps...

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