BS EN 3490-2007 Aerospace series. Steel FE-PM3901 (X15CrNi17-3). Air melted. Hardened and tempered.
标准简介
BS EN 3490-2007 Aerospace series. Steel FE-PM3901 (X15CrNi17-3). Air melted. Hardened and tempered. Bar for machining
相关推荐