Compared with 4140, AISI 4130 / UNS G41300 low alloy steel has a relatively lower carbon content, good weldability, and low requirements for preheating and post-weld heat treatment.
AISI 4130 / UNS G41300 is usually applied to wellhead pipelines and manifold systems.
| C | Mn | Si | P | S | Cr | Fe | Mo | Ni | Cu | V | Al | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min. | 0.28 | 0.40 | 0.20 | . | . | 0.85 | Bal. | 0.15 | . | . | . | . |
| Max. | 0.33 | 0.60 | 0.35 | 0.02 | 0.025 | 1.20 | Bal. | 0.25 | 0.50 | 0.35 | 0.10 | 0.035 |
Condition: Hardened and Tempered.
| Yield Strength | Tensile Strength | Elongation (%) | Hardness (HRC) | Impact Charpy-V, -46ºC (J) |
|---|---|---|---|---|
| ≥75KSI (517Mpa) | ≥95KSI (655Mpa) | ≥18 | ≤22 | ≥27 |