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BS EN 4573:2020,Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated and precipitation treated. Bars and sections - De ≤ 100 mm. BS EN 4573:2020 is part of the series of EN metallic material standards for...

BS EN 4572:2020,Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated - Sheets and strips - a<3 mm. This document is part of the series of En metallic material standards for aerospace applications. The general organization...