Marzouk Steel is a reputable manufacturer and supplier of high-quality alloy steel products, proudly based in Tunis, Tunisia. They cater to a variety of industrial markets with their Alloy Steel 4140 Coil, which is crafted to meet international quality standards and satisfy rigorous engineering demands. Thanks to their state-of-the-art processing facilities, stringent quality control measures, and deep technical know-how, Marzouk Steel guarantees coils that boast exceptional strength, durability, and consistency. Their focus on customer satisfaction, dependable supply chain, and dedication to performance have established Marzouk Steel as a go-to provider for alloy steel solutions in sectors like construction, oil and gas, automotive, and heavy engineering.
The Alloy Steel 4140 Coil is made from a chromium-molybdenum alloy steel, featuring a precisely controlled chemical makeup. It includes carbon for added strength, chromium for enhanced hardness and wear resistance, and molybdenum to boost toughness and high-temperature performance, along with manganese and silicon. These components work together to deliver outstanding hardenability and fatigue resistance. On the mechanical side, Alloy Steel 4140 Coil provides impressive tensile and yield strength, solid impact toughness, and stability even under heavy loads. It responds well to heat treatment and retains good machinability for various fabrication processes.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
| Melting point | 1416°C | 2580°F |
| STAND | C(%) | Mn(%) | P(%) | S(%) | Si(%) | Cr(%) | Mo(%) | Ni(%) |
|---|---|---|---|---|---|---|---|---|
| ASTM A29 / A29M-05 | 0.38-0.43 | 0.75-1.00 | Max 0.035 | Max 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | – |
| EN 10083/3-2006 | 0.38-0.45 | 0.60-0.90 | Max 0.025 | Max 0.035 | Max 0.40 | 0.90-1.20 | 0.15-0.30 | – |
| JIS G4053-2008 | 0.38-0.43 | 0.60-0.90 | Max 0.030 | Max 0.030 | 0.15-0.35 | 0.90-1.20 | 0.15-0.30 | ≤0.25 |
| roperties | Metric | Imperial |
|---|---|---|
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength | 415 MPa | 60200 psi |
| Bulk modulus(typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus(typical for steel) | 80 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break(in 50 mm) | 25.70% | 25.70% |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop(converted from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B(converted from Brinell hardness) | 92 | 92 |
| Hardness, Rockwell C(converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) | 13 | 13 |
| Hardness, Vickers(converted from Brinell hardness) | 207 | 207 |
| Machinability(based on AISI 1212 as 100 machinability) | 65 | 65 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Marzouk Steel based in Tunis, Tunisia is a trusted manufacturer and supplier for Alloy Steel 4140 Coil of great quality. In fact, we have earned our reputation for providing a variety of top-notch steel products-such as Structural Steel, Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel-with emphasis on Structural Steel Sheets and Plates. Basic product lines include a complete range of Pipes, Tubes, Flanges, Forged Fittings, Bars, and other forms. Marzouk Steel is committed to its delivery and customer service, thus ensuring that they procure the best raw materials to guarantee high strength and durability with performance specifically for critical industrial applications. Contact us anytime for your Structural Steel Sheet and Plate needs!
This versatile Alloy Steel 4140 Coil finds its way into applications that demand high strength and resistance to stress and wear. It’s commonly used in the production of automotive and mechanical components like gears, shafts, axles, and springs. The construction and heavy engineering sectors also rely on these coils for structural parts and fabricated components. Moreover, Alloy Steel 4140 Coil is essential in oil and gas equipment, power generation systems, and industrial machinery, where durability, reliability, and performance in tough operating conditions are absolutely crucial.
Marzouk 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 Tunis, Tunisia.
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