AFNOR NF EN 3491 Aerospace series - Steel FE-PM3901 (X15CrNi17-3) - Air melted - Hardened and tempered - Forgings - De < or = 100 mm - 900 MPa < or = Rm < or = 1 100 MPa. Формат поставки-PDF. Язык стандарта-Французский
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