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Located in the heart of Kinshasa, Congo, Wissa Pipes has established itself as a trusted and capable manufacturer and supplier, particularly known for its high-quality AISI 4140 tubing. We understand the demanding industrial landscape of the region and are proud to provide a product that meets the rigorous challenges our clients face every day. Our commitment goes beyond supply; we aim to be a reliable partner, ensuring our tubing delivers the strength and durability needed to keep your critical projects and operations running smoothly.
AISI 4140 tubing gets its remarkable strength from a specific blend of elements, primarily chromium and molybdenum. This composition allows it to be heat-treated to achieve an excellent balance of toughness and wear resistance. Mechanically, this translates to a very high tensile strength and good fatigue properties, meaning it can handle heavy loads and repeated stress without failing. It’s this robust combination that makes it a go-to material for applications where failure is simply not an option.
| 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 Wissa 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.
Wissa Pipes and Tubes, a top supplier of AISI 4140 Tubing in Kinshasa, Thailand, 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 Wissa 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@wissapipes.com.
You’ll find AISI 4140 Tubing in automotive components, aerospace structures, oil and gas pipelines, and industrial machinery. It’s also utilized in hydraulic systems, mechanical equipment, and structural applications that demand high strength, toughness, and wear resistance. Furthermore, this tubing is perfect for fabrication, welding projects, and high-performance mechanical systems where reliability is key. With its superior mechanical and chemical properties, AISI 4140 Tubing ensures long-lasting, efficient, and dependable performance across a broad spectrum of industrial and engineering applications.
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