保证淬透性结构钢（H钢）
|
耀日 |
钢号 |
C碳 |
Si硅 |
Mn锰 |
P磷≤ |
S硫≤ |
Cr铬 |
Ni镍 |
Mo钼 |
其他 |
|
1 |
SMn420H |
0.16-0.23 |
0.15-0.35 |
1.15-1.55 |
0.030 |
0.030 |
≤0.35 |
≤0.25 |
- |
Cu≤0.30 |
|
2 |
SMn433H |
0.29-0.36 |
0.15-0.35 |
1.15-1.55 |
0.030 |
0.030 |
≤0.35 |
≤0.25 |
- |
Cu≤0.30 |
|
3 |
SMn438H |
0.34-0.41 |
0.15-0.35 |
1.30-1.70 |
0.030 |
0.030 |
≤0.35 |
≤0.25 |
- |
Cu≤0.30 |
|
4 |
SMn443H |
0.39-0.46 |
0.15-0.35 |
1.30-1.70 |
0.030 |
0.030 |
≤0.35 |
≤0.25 |
- |
Cu≤0.30 |
|
5 |
SMnC420H |
0.16-0.23 |
0.15-0.35 |
1.15-1.55 |
0.030 |
0.030 |
0.35-0.70 |
≤0.25 |
- |
Cu≤0.30 |
|
6 |
SMnC443H |
0.39-0.46 |
0.15-0.35 |
1.30-1.70 |
0.030 |
0.030 |
0.35-0.70 |
≤0.25 |
- |
Cu≤0.30 |
|
7 |
SCr415H |
0.12-0.18 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
- |
Cu≤0.30 |
|
8 |
SCr420H |
0.17-0.23 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
- |
Cu≤0.30 |
|
9 |
SCr430H |
0.27-0.34 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
- |
Cu≤0.30 |
|
10 |
SCr435H |
0.32-0.39 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
- |
Cu≤0.30 |
|
11 |
SCr440H |
0.37-0.44 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
- |
Cu≤0.30 |
|
12 |
SCM415H |
0.12-0.18 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.15-0.30 |
Cu≤0.30 |
|
13 |
SCM418H |
0.15-0.21 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.15-0.30 |
Cu≤0.30 |
|
14 |
SCM420H |
0.17-0.23 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.15-0.30 |
Cu≤0.30 |
|
15 |
SCM425H |
0.23-0.28 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.15-0.30 |
Cu≤0.30 |
|
16 |
SCM435H |
0.32-0.39 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.15-0.35 |
Cu≤0.30 |
|
17 |
SCM440H |
0.37-0.44 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.15-0.35 |
Cu≤0.30 |
|
18 |
SCM445H |
0.42-0.49 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.15-0.35 |
Cu≤0.30 |
|
19 |
SCM822H |
0.19-0.25 |
0.15-0.35 |
0.55-0.90 |
0.030 |
0.030 |
0.85-1.25 |
≤0.25 |
0.35-0.45 |
Cu≤0.30 |
|
20 |
SNC415H |
0.11-0.18 |
0.15-0.35 |
0.30-0.70 |
0.030 |
0.030 |
0.20-0.55 |
1.95-2.50 |
- |
Cu≤0.30 |
|
21 |
SNC631H |
0.26-0.35 |
0.15-0.35 |
0.30-0.70 |
0.030 |
0.030 |
0.55-1.05 |
2.45-3.00 |
- |
Cu≤0.30 |
|
22 |
SNC815H |
0.11-0.18 |
0.15-0.35 |
0.30-0.70 |
0.030 |
0.030 |
0.65-1.05 |
2.95-3.50 |
- |
Cu≤0.30 |
|
23 |
SNCM220H |
0.17-0.23 |
0.15-0.35 |
0.60-0.95 |
0.030 |
0.030 |
0.35-0.65 |
0.35-0.75 |
0.15-0.30 |
Cu≤0.30 |
|
24 |
SNCM420H |
0.17-0.23 |
0.15-0.35 |
0.40-0.70 |
0.030 |
0.030 |
0.35-0.65 |
1.55-2.00 |
0.15-0.30 |
Cu≤0.30 |
