Effects of Deep Cryogenic Treatment on Wear Mechanisms and Microthermal Expansion for the Material of Drive Elements

Table 1

Compositions of SCM415.

SCM415 wt%
C	Si	Mn	P	S	Cr	Cu	Mo	Ni
0.13~0.18	0.15~0.35	0.6~0.85	≦0.03	≦0.03	0.9~1.2	≦0.3	0.15~0.25	≦0.25