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DMD 0235-20 is a Snecma / Safran Specification for Jethete M152

 

Jethete M152 per DMD 0235-20 is a creep and corrosion resistant, hardened and tempered steel with a usual upper temperature limit of 560°C. It combines very good toughness and creep rupture properties making it an excellent alloy for use in highly stressed turbine blades, discs, screws, bolts and rings