切削钢:
Y12 Y12Pb Y15 Y15Pb Y20 Y30 Y35 Y40Mn Y45Ca 11SMn30 11SMnPb30 11SMnPb37 10SPb20 15SMn13 36SMn14 36SMnPb14 38SMn28 44SMn28 46SPb20 15S10 10S20 15S20 35S20 45SPb20 60SPb20 9SMn28(11SMn30) 9SMn28 11SMn30 9SMn36 11SMn37 9SMnPb28 11SMnPb30 9SMnPb36 11SMnPb37 SUM11 SUM12 SUM22 SUM