- sales@davidpipes.com
- Canberra, Australia
Home > Alloy Steel >AISI 4140 Tubing
David Pipes and Tubes, located in Canberra, Australia, has built a solid reputation as a leading manufacturer and supplier of **AISI 4140 Tubing**. Their products are crafted with a focus on strength, precision, and reliability. AISI 4140 Tubing is particularly known for its outstanding performance in high-stress situations, making it a go-to choice in demanding industrial settings. The company is committed to upholding international standards, ensuring that their tubing boasts excellent mechanical properties and precise dimensions. With an emphasis on durability, toughness, and consistency, David Pipes and Tubes supplies AISI 4140 Tubing solutions to various industries, including oil and gas, aerospace, automotive, and heavy machinery, both in Australia and beyond.
AISI 4140 Tubing is a chromium-molybdenum alloy steel that contains carbon (0.38–0.43%), chromium (0.8–1.1%), molybdenum (0.15–0.25%), along with manganese and silicon. It showcases impressive tensile strength, ranging from 655 to 850 MPa, and a yield strength of about 415 MPa, providing excellent toughness, fatigue resistance, and hardenability. This tubing maintains its mechanical integrity even under high pressure and temperature, while also offering good machinability and wear resistance, making it perfect for components that demand superior strength and impact resistance.
| 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 David 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.
David Pipes and Tubes, a top supplier of AISI 4140 Tubing in Canberra, Australia, 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 David 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@davidpipes.com.
AISI 4140 Tubing is widely utilized in applications that require high strength, fatigue resistance, and durability. It’s particularly well-suited for manufacturing drive shafts, crankshafts, drill collars, and hydraulic components in the oil and gas, automotive, and aerospace industries. Additionally, this tubing is used in heavy machinery, mining tools, and power transmission systems. Thanks to its remarkable wear resistance and ability to handle high stress, AISI 4140 Tubing is the preferred choice for critical structural parts and precision-engineered equipment operating in tough environments.
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