C
Mn
Si
Cr
W
Ni
其它
BAL
硬度
HRC
Q122
0.5
≤2.0
≤2.0
5.0
11.0
≤3.0
58-61
Q172
0.3
≤2.0
≤1.5
2.4
≤3.0
45-53
Q212
0.4
≤2.0
≤1.5
4.5
≤2.0
50-60
Q337
0.4
≤1.5
≤1.5
4.5
10.0
≤3.0
55-61
Q423
0.1
≤2.0
≤1.5
13.5
1.5
≤2.0
40-50
Q439
0.1
≤2.0
≤1.5
14.0
4.0
≤2.0
38-48
Q451
3.0
≤2.0
≤1.5
27.0
2.5
≤2.0
40-50
Q537
0.4
≤2.0
≤2.0
14.0
≤4.0
48-55
Q582
0.5
≤2.0
≤2.0
6.0
≤4.0
55-62
Q585
0.5
≤2.0
≤4.0
9.5
≤3.0
55-61
Q605
4.0
≤1.5
≤1.5
25.0
≤2.0
55-61
Q621
4.0
≤1.5
≤1.5
18.5
≤2.0
55-68
Q666
4.0
≤2.0
≤3.0
28.5
≤3.0
57-65
Q707
3.0
≤2.0
≤3.0
39.0
≤3.0
60-68