Commodity: Hot rolled alloy steel bar
1. Material S45CB; S20CB; SCM440; SCM440; 20CrMnTi; SAE8620; SAE8620H; SCr440; SAE9254; 40CrNiMo.
2. Usage Gear; sleeve; shaft; pin; standard; furniture manufacturing; fasteners; auto parts;
hardware; machinery manufacturing; etc.
3. Size Diameter: 12mm-300mm.
4. Material chemical composition
|
Steel grade |
C |
Mn |
S |
P |
Si |
Cr |
Cu |
Ni |
|
S45CB |
0.42～0.50 |
0.50～0.80 |
≤0.035 |
≤0.035 |
0.17～0.37 |
≤0.25 |
≤0.25 |
≤0.30 |
|
S20CB |
0.17～0.23 |
0.35～0.65 |
≤0.035 |
≤0.035 |
0.17～0.37 |
≤0.25 |
≤0.25 |
≤0.30 |
|
SAE8620 |
0.18～0.23 |
0.70～0.90 |
≤0.040 |
≤0.035 |
0.15～0.35 |
0.4～0.6 |
|
0.4～0.7 |
|
SAE9254 |
0.51～0.59 |
0.60～0.80 |
≤0.040 |
≤0.035 |
1.20～1.60 |
0.60～0.80 |
|
|
|
SCr440 |
0.38～0.43 |
0.60～0.90 |
≤0.030 |
≤0.030 |
0.15～0.35 |
0.90-1.20 |
≤0.030 |
≤0.25 |
