BS S 150:1975 : Title: Specification for chromium-molybdenum-vanadium-niobium heat-resisting steel billets, bars, forgings and parts (930-1080 MPa) (Cr 10.5, Mo 0.6, V 0.2, Nb 0.3) Pages: 8 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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