Based in the heart of Kinshasa, Yoane Steel has established itself as a trusted partner for industries across the Congo, dedicated to supplying superior materials like Alloy Steel AISI 4130 bars. We understand that the backbone of any great project is reliable, high-quality raw materials. That’s why we focus on providing these specific bars, ensuring they meet rigorous standards to give your constructions and fabrications the strength and durability they need to excel in demanding environments, directly supporting the growth and innovation of our local economy.
The composition of AISI 4130 is a key to its performance, blending chromium and molybdenum to create a remarkable balance of strength, toughness, and wear resistance. This specific alloying recipe allows the bars to be heat treated to achieve even greater mechanical properties, making them significantly stronger than standard carbon steels. You can count on these bars to handle high stress and impact loads without failing, which is essential for critical components where safety and longevity are non-negotiable.
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 hard at work in some of the most challenging applications. They are a fundamental material for building robust industrial frames, high-strength axles, and heavy-duty components for mining and construction machinery. The aerospace industry also relies on them for critical parts like landing gear, while the oil and gas sector uses them for tools and equipment that must withstand extreme pressures. Essentially, wherever there’s a need for a material that won’t back down from a tough job, AISI 4130 is often the first choice.
Yoane 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 Kinshasa, Congo.
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