Alloy Steel
5120 Alloy Steel
Low carbon chromium alloy structural steel per ASTM A29. Good toughness, forgeability, and weldability. Responds well to carburizing for high surface hardness with a tough core.
Chemical Composition
| Element | Percentage (% by weight) |
|---|---|
| C | 0.17 - 0.22 |
| Si | 0.15 - 0.35 |
| Mn | 0.7 - 0.9 |
| P | max 0.035 |
| S | max 0.04 |
| Cr | 0.7 - 0.9 |
Typical Applications
- Automotive transmission parts
- Gears
- Crankshafts
- Piston pins
Buying This Grade in Pakistan
A lower-alloy case-hardening option used in the same automotive forging shops as 8620, chosen when the application doesn't need molybdenum's added hardenability, useful as a cost-conscious alternative to quote alongside 8620.
Grade Family
Chromium structural steel
Need a custom size?
We offer cutting services to provide the exact dimensions you require.
Contact Sales