From the heart of Hamilton’s industrial landscape, Latham Steel has built a reputation as a trusted manufacturer and supplier of high-performance metals. We are pleased to offer Alloy Steel 4140 in a versatile foil format, meeting the precise demands of local engineers and fabricators. Our 4140 foil combines exceptional strength with remarkable workability, providing a reliable solution for projects where durability and precision are non-negotiable. We understand the critical nature of your applications and are committed to delivering material integrity you can count on.
The composition of Alloy Steel 4140 is a key to its performance, primarily consisting of chromium and molybdenum, which work together to create a material known for its excellent toughness. This combination gives the foil impressive tensile strength and good wear resistance, even in thinner gauges. It responds very well to heat treatment, allowing you to tailor its hardness and strength for specific needs. This balance makes it a truly adaptable material, capable of handling significant stress without sacrificing its structural integrity.
| 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.
The uses for this high-grade foil are extensive, particularly in industries that push materials to their limits. You’ll often find it being formed into specialized shims, durable gaskets, or protective liners within heavy machinery. Its ability to be heat-treated makes it ideal for creating custom springs, blades, and other small, high-stress components in the automotive and aerospace sectors. For any application demanding a thin yet incredibly strong steel that can be precisely fabricated, our 4140 foil provides a proven and reliable answer.
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.
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