Commodity: 3R irregular steel
1. Size According to customers requirement.
2. Material SAE8620H; SAE9254-SAE9260; SAE1109-SAE1144; SAE121-SAE12L14; SAE52100
SUP6-SUP9A; SUP10A-SUP12V; SCr415-SCr440; SCM415-SCM440 and so on.
3. Steel grade and chemical composition
|
Steel grade |
C |
Mn |
S |
P |
Si |
Cr |
Cu |
|
12L14 |
0.15max |
0.15-0.35 |
0.85～1.15 |
0.04～0.09 |
0.26～0.35 |
0.10～0.35 |
|
|
1215 |
0.09max |
|
0.75～1.05 |
0.04～0.09 |
0.26～0.35 |
|
|
|
20MnCr5 |
0.17～0.22 |
≤0.40 |
1.10～1.40 |
≤0.035 |
0.010～0.035 |
|
1.00～1.30 |
|
42CrMo4 |
0.38-0.45 |
≤0.40 |
0.60～0.90 |
≤0.035 |
≤0.035 |
Mo: 0.15～0.30 |
0.90～1.20 |
|
20Cr4 |
0.18～0.24 |
0.17～0.37 |
0.50～0.80 |
≤0.035 |
≤0.035 |
Ni:≤0.030 |
0.70～1.00 |
|
ST12 |
≤0.10 |
|
≤0.50 |
≤0.035 |
≤0.035 |
|
|
|
SCM440 |
0.38～0.42 |
0.60～0.85 |
≤0.030 |
≤0.030 |
0.15～0.35 |
0.90～1.20 |
0.15～0.30 |
4. Usage :Mold; Machinery manufacturing and Processing and so on.
