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Home > Alloy Steel >AISI 4140 Tubing
Irfan Pipes and Tubes, based in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of AISI 4140 Tubing, delivering top-notch solutions for demanding industrial needs. This tubing is celebrated for its impressive strength, toughness, and wear resistance, making it ideal for high-stress and high-pressure situations. At Irfan Pipes and Tubes, we blend cutting-edge manufacturing technology with a strict commitment to international standards, ensuring that our products are precise, durable, and consistently high in quality. Our dedication to customer satisfaction means we provide dependable and cost-effective tubing solutions, positioning us as a trusted partner for industries around the globe that require robust and high-performance alloy steel tubing.
AISI 4140 Tubing is a low-alloy steel that includes chromium (0.8–1.1%), molybdenum (0.15–0.25%), and carbon (0.38–0.43%), along with controlled amounts of manganese, silicon, phosphorus, and sulfur. This unique composition strikes a perfect balance between hardness, tensile strength, and toughness, while also offering resistance to fatigue and wear. The tubing is known for its good ductility, machinability, and weldability, making it suitable for a wide range of engineering and industrial applications. Thanks to its outstanding mechanical properties, AISI 4140 Tubing excels in demanding environments where strength, durability, and performance are essential.
| 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 Irfan 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.
Irfan Pipes and Tubes, a top supplier of AISI 4140 Tubing in Istanbul, Turkey, 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 Irfan 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@irfanpipes.com.
Industries such as oil and gas, automotive, aerospace, power generation, and heavy machinery manufacturing frequently rely on AISI 4140 Tubing. It’s commonly found in drilling tools, downhole equipment, pipelines, crankshafts, gear components, and structural applications where toughness and strength are paramount. In mechanical and hydraulic systems, it guarantees reliability even under high pressure and cyclic loading. Additionally, this tubing is utilized in petrochemical and refinery operations for high-stress applications. With its remarkable wear resistance, fatigue strength, and long service life, AISI 4140 Tubing is a go-to choice for those seeking dependable performance in challenging conditions.
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