Naing Steel stands as a trusted manufacturer and supplier in Naypyidaw, dedicated to providing the industrial backbone of Myanmar with materials built for strength. We take pride in our Alloy Steel AISI 4130 Bars, a product engineered for demanding applications where reliability is non-negotiable. Sourced and produced with meticulous attention to detail, our 4130 bars offer a superior combination of toughness and machinability, making them an ideal choice for local engineers and fabricators who need a material that can perform under pressure.
The strength of AISI 4130 stems from its specific composition, which includes chromium and molybdenum. This alloy blend gives the steel its notable mechanical properties, including high tensile strength and excellent fatigue resistance. After proper heat treatment, these bars achieve an impressive balance; they are remarkably strong yet maintain good ductility. This means they can withstand significant force and repeated stress without becoming brittle, offering a dependable performance profile for critical components.
Diameter :Â 8mm-3000mm
Length :Â 3,000-10,000mm
Finish :Â Bright, Polish & Black
Condition :Â Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form :Â 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 |
Because of its robust nature, AISI 4130 is a go-to material for a wide range of heavy-duty uses. You will often find it in the aerospace industry for landing gear components, in oil and gas for downhole tooling, and in automotive manufacturing for high-stress parts like axles and drive shafts. Its versatility also extends to the construction of industrial machinery, bicycle frames, and even high-performance racing chassis, proving its value wherever a combination of light weight and exceptional strength is required.
Naing 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 Naypyidaw, Myanmar.
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