Classification and Selection of Drilling Device Materials
https://www.evernote.com/shard/s622/sh/244fe217-4abf-401c-87e9-06f58ed3c490/8cebc505b6aaab447eb4dfb64cbe5f24
Different reducing device materials made use of for reducing procedures in practice are high carbon steel, broadband steel, non -ferrous cast alloys, cemented carbides, ceramics as well as sintered oxides, ceremets,