... 500 BK6M 93 - - 90 130 - BK8 92 - - 87,5 140 330 BK8b TK BK2 92 - - 86,5 155 - T5K10 85 - 10 88,5 130 - T14K6 78 14 - 89,5 115 400 T15K6* 79 15 - 90 110 400 T15K 125 83 - 12 87 150 - http://www.ebook.edu.vn ... cng kg/mm2 HRA Kg/mm2 u n Ký hiu (Theo Thnh phn cu to (%) Nhúm tiờu chun FOCT) WC TiC TACK BK 98 - - 90 100 - BK3M 97 - - 91 110 - BK4 96 - - 89,5 130 - BK46 95 - - 88 135 - BK6 94 - - 88,5 140 ... C YTCB DCCKL GVC NGUYN TH TRANH - TRN QUC VIT T30K4 30 - 92 90 - TT17K 12 81 12 87,0 155 - TT7K15 TTK 66 78 12 - - - Bng 2. 3 Hng dn s dng hp kim cng Mu sc Mỏc hp kim cng theo cỏc tiờu chun ISO...