For manufacturers and engineers in Hamilton and beyond, Latham Steel is a trusted local source for high-quality materials, including the exceptionally versatile Alloy Steel AISI 4130. We understand that the success of your project hinges on the reliability of your supplies, which is why we are committed to providing precision-cut AISI 4130 bars that meet rigorous standards. Sourced for superior performance, this chromium-molybdenum steel is a cornerstone for demanding applications where strength and durability are non-negotiable.
The composition of AISI 4130 is a careful balance, primarily iron with chromium and molybdenum as the key alloying elements, which gives it remarkable strength and hardening capabilities. After proper heat treatment, it achieves an excellent strength-to-weight ratio, offering impressive tensile strength and good ductility. This combination means it can withstand significant stress and impact without failing, making it a dependable choice for critical components that must perform under pressure.
Diameter : 8mm-3000mm
Length : 3,000-10,000mm
Finish : Bright, Polish & Black
Condition : Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
| Grade | C | Cr | Si | S | Mn | P | Mo | |
| AISI 4130 | min. | 0.28 | 0.8 | 0.15 | – | 0.4 | – | 0.15 |
| max. | 0.33 | 1.1 | 0.35 | 0.04 | 0.8 | 0.035 | 0.25 | |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min | Hardness |
| AISI 4130 | 930 | 12 | 735 | 229 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | UNS | WERKSTOFF NR. |
| AISI 4130 | G41300 | 1.7218 |
You’ll find AISI 4130 bars at work in some of the most challenging environments. They are a favourite in the aerospace industry for aircraft frames and landing gear, and in automotive manufacturing for high-performance parts like axles and drive shafts. Its toughness also makes it ideal for oil and gas equipment, heavy-duty machinery, and even specialised tools and jigs. Essentially, wherever a component needs to be strong, lightweight, and resistant to wear, AISI 4130 is often the material of choice.
Latham Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hamilton, New Zealand.
Copyright 2025 Latham Steel. All rights reserved
