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Home > Alloy Steel >AISI 4140 Tubing
Rithav Pipes and Tubes stands out as a top manufacturer and supplier of AISI 4140 Tubing, proudly based in Delhi, India. This alloy steel, known for its remarkable strength, toughness, and fatigue resistance, is a chromium-molybdenum blend that shines in demanding applications. Our 4140 tubing is crafted to meet ASTM A519 and SAE standards, available in both seamless and precision DOM (drawn over mandrel) forms, ensuring precise dimensional tolerances. We supply high-quality 4140 tubing to various industries, including automotive, oil and gas, heavy equipment, and power generation, where dependable mechanical performance and durability are crucial.
AISI 4140 Tubing finds its way into a wide range of applications, including automotive shafts, gears, and crankshafts, as well as oilfield equipment, hydraulic cylinders, and parts for heavy machinery. Its impressive strength and fatigue resistance make it perfect for structural components that face dynamic loads. In the power generation and petrochemical industries, it’s used for pressure vessels, piping, and high-stress mechanical parts. Plus, its wear resistance makes it suitable for applications in mining, construction equipment, and tool manufacturing. The tubing’s ability to adapt to machining and heat treatment processes makes it a versatile option for challenging industrial settings.
AISI 4140 Tubing is composed of about 0.38–0.43% carbon, 0.75–1.00% manganese, 0.80–1.10% chromium, and 0.15–0.25% molybdenum, which together deliver outstanding hardness and tensile strength. Typically, its mechanical properties include a tensile strength ranging from 655 to 895 MPa, a yield strength of around 415 MPa, and an elongation of 20–30%. This alloy is known for its good toughness, fatigue strength, and resistance to wear and corrosion. It also responds well to heat treatment processes like quenching and tempering, allowing for tailored mechanical properties to meet various industrial needs.
| Dimensions | ASTM, ASME and API |
|---|---|
| Supplier of 4140 Alloy Steel Tube in Length | Within 13500 millimeter |
| Speciality in | Large Diameter Size |
| Size | 4 to 219 millimeter W. T.: 0.5 to 20 millimeter |
| Length | In Single and Double Random & Cut to Length Suppliers |
| AISI 4140 Tube Type | Welded / Seamless / Fabricated / ERW |
| Form | Round, Square, Rectangular, Hydraulic. |
| End | Plain End, Threaded, Beveled End |
| Standard | Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
| ASTM A29 | 4140 | 0.38-0.43 | 0.75-1.00 | 0.035 | 0.040 | 0.15-0.35 | – | 0.8-1.10 | 0.15-0.25 |
| EN 10250 | 42CrMo4/ 1.7224 | 0.38-0.45 | 0.6-0.9 | 0.035 | 0.035 | 0.4 | – | 0.9-1.2 | 0.15-0.30 |
| JIS G4105 | SCM440 | 0.38-0.43 | 0.60-0.85 | 0.03 | 0.03 | 0.15-0.35 | – | 0.9-1.2 | 0.15-0.30 |
| Properties | Metric | Imperial |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Tensile strength | 655 MPa | 95000 psi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Yield strength | 415 MPa | 60200 psi |
| Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) | 13 | 13 |
| 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% |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Hardness, Brinell | 197 | 197 |
| Machinability (based on AISI 1212 as 100 machinability) | 65 | 65 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
When you choose AISI 4140 Tubing from Rithav Pipes and Tubes, you can count on exceptional quality and long-lasting durability. These tubes offer excellent corrosion resistance and high strength, making them perfect for various industrial applications. Our commitment to outstanding service and reliable delivery guarantees customer satisfaction with every order. With extensive expertise in stainless steel products, we provide premium solutions tailored to meet your unique needs.
Rithav Pipes and Tubes, a top supplier of AISI 4140 Tubing in Delhi, India, offers a comprehensive range of high-quality pipes and tubes for various industrial applications. With an extensive inventory and a commitment to exceptional customer service, they have become the go-to source for stainless steel products in the area.
At Rithav Pipes and Tubes, we specialize in providing custom-sized AISI 4140 Tubing designed to meet your specific requirements. Our expert team is committed to delivering personalized solutions for all your piping and tubing needs. For more details, contact us at sales@rithavpipesandtubes.co.in.
AISI 4140 Tubing finds its way into a wide range of applications, including automotive shafts, gears, and crankshafts, as well as oilfield equipment, hydraulic cylinders, and parts for heavy machinery. Its impressive strength and fatigue resistance make it perfect for structural components that face dynamic loads. In the power generation and petrochemical industries, it’s used for pressure vessels, piping, and high-stress mechanical parts. Plus, its wear resistance makes it suitable for applications in mining, construction equipment, and tool manufacturing. The tubing’s ability to adapt to machining and heat treatment processes makes it a versatile option for challenging industrial settings.
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