roduction;Ratings;Steel alloy;Steels;Taps (threading);Terms;Tool steels;Tools【摘要】: This International Standard specifies the designation of groups of high-speed steels used for manufacturing cutting tools such as taps, drills, etc. It is not intended to specify the composition of high-speed steels, which is stated in ISO 4957.【中国标准分类号】: J57【国际标准分类号】: 25_100_01;77_140_35【页数】: 3P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |