Commodity: Guide rail
1. Size: According to customers requirement.
2. Material 45#; GCr15; 20Crmo; SAE8620H; SAE9254-SAE9260; SAE1109-SAE1144; SAE121-SAE12L14;
SUP6-SUP9A; SUP10A-SUP12V; SCr415-SCr440; SCM415-SCM440 and so on.
3. Chemical composition
|
Steel grade |
C |
Mn |
S |
P |
Si |
Cr |
Cu |
|
20CrMo |
0.18～0.24 |
0.50～0.80 |
≤0.035 |
≤0.035 |
0.17～0.37 |
0.70～1.00 |
≤0.030 |
|
50CrVA |
0.46～0.54 |
0.50～0.80 |
≤0.030 |
0.10～0.20 |
0.17～0.37 |
0.80～1.10 |
≤0.25 |
|
SAE9255 |
0.52～0.60 |
0.60～0.90 |
≤0.040 |
≤0.035 |
1.50～2.00 |
≤ 0.035 |
|
|
60Si2Mn |
0.56～0.64 |
0.60～0.90 |
≤ 0.035 |
≤ 0.035 |
1.60～2.00 |
≤ 0.035 |
≤0.25 |
|
55CrSi |
0.50～0.60 |
0.50～0.80 |
≤ 0.03 |
≤ 0.03 |
1.20～1.60 |
0.50～0.80 |
≤ 0.02 |
|
20Cr4 |
0.18～0.24 |
0.17～0.37 |
0.50～0.80 |
≤0.035 |
≤0.035 |
Ni:≤0.030 |
0.70～1.00 |
|
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; Precision machinery; heavy industry and so on.
