| 摘要 |
A blade for shearing metal, paper etc. is made of an alloy of the following percentage composition:- C 1.6-1.8 Si 0-1 Mn 0-1 Cr 11-14 V 1.5-2.8 Mo 0-15 W 0-1.5 P -0.7 S -0.7 Fe the remainder Heat treatment schedules for samples of the alloys are given. |
