Nestled in the heart of Addis Ababa, Desta Steel stands as a trusted partner for industry, bringing specialized materials to Ethiopia’s growing market. We are proud to be your local source for Alloy Steel 4140 Foil, a high-performance material engineered for demanding applications. Our commitment is to provide not just a product, but a reliable solution that supports the precision and durability required by modern manufacturing and innovation across the region.
The strength of this particular foil comes from its careful composition, primarily chromium and molybdenum, which work together to create a remarkable balance. This alloying results in excellent toughness, good wear resistance, and the ability to be hardened to significant strength levels. Even in a thin foil format, it maintains these superior mechanical properties, offering a combination of durability and flexibility that is essential for specialized components.
| Specifications | : | ASTM A387 / ASME SA387 |
| Thickness | : | 1mm-300mm |
| Width | : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc |
| Length | : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc |
| Surface | : | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR) |
| Form | : | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| Alloy Steel 4140 | 0.15 max | 0.30-0.60 | 1.0 max | 0.030 max | 0.030 max | 8.0 – 10.0 | 0.90 – 1.10 | – | – |
| Tensile (MPa) | Yield (MPa) | Elongation (50mm) | Elongation (200mm) | Reduction of Area |
| 415 – 585 | 205 min | 18% min | – | 40% min |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
This versatile foil finds its purpose in numerous critical roles, often forming the hidden backbone of sophisticated equipment. It’s expertly shaped into precise shims, protective liners, and resilient gaskets, ensuring perfect alignment and longevity in machinery. You’ll also find it in specialized springs and certain electronic components where its unique strength-to-thickness ratio is invaluable, making it a preferred choice for aerospace, automotive, and high-tech manufacturing sectors.
Desta 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 Addis Ababa, Ethiopia.
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