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- Jakarta, Indonesia
Home > Alloy Steel >AISI 4140 Tubing
Bulan Pipes and Tubes, located in Jakarta, Indonesia, stands out as a top manufacturer and supplier of high-performance AISI 4140 Tubing. This tubing is celebrated for its remarkable strength, toughness, and resistance to fatigue. Made from chromium-molybdenum alloy steel, these tubes are perfect for tough mechanical and structural applications. Bulan offers AISI 4140 tubing in both seamless and welded forms, crafted with precision tolerances and tailored finishes to comply with global standards like ASTM A519. With a strong focus on quality, consistency, and timely delivery, Bulan caters to various industries, including automotive, oil & gas, power generation, and heavy equipment manufacturing, both in Indonesia and around the world.
AISI 4140 Tubing is an alloy steel that includes chromium (0.80–1.10%), molybdenum (0.15–0.25%), carbon (0.38–0.43%), manganese (0.75–1.00%), and silicon (0.15–0.35%). It boasts impressive mechanical properties, such as a tensile strength ranging from 655 to 1080 MPa, yield strength between 415 and 930 MPa, and outstanding hardness and impact resistance when heat-treated. Its chemical composition provides good corrosion resistance, fatigue strength, and wear performance, making it a versatile option for high-load and high-stress applications across various industries.
| 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 Bulan 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.
Bulan Pipes and Tubes, a top supplier of AISI 4140 Tubing in Indonesia, Jakarta, 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 Bulan 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@bulanpipes.id.
AISI 4140 Tubing finds extensive use in automotive parts like axles, drive shafts, and crankshafts, as well as in tools for the oil and gas sector, hydraulic machinery, gearboxes, and structural equipment. Its high strength-to-weight ratio and ability to withstand impact and fatigue make it ideal for situations where durability and reliability are crucial. Additionally, it’s frequently utilized in power transmission systems, forging operations, and mechanical components that require surface hardening. AISI 4140 tubing is known for its excellent machinability and weldability, making it a preferred choice for precision-engineered parts in demanding environments.
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