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Home > Carbon Steel >EN10305-1 / EN10305-4 Seamless Tubing
Ojas Pipes and Tubes is a well-respected manufacturer and supplier of EN10305-1 / EN10305-4 Seamless Tubing, based in Kolkata, India. These precision steel tubes are crafted to meet the rigorous standards of the EN 10305 specification, ensuring top-notch dimensional accuracy, tight tolerances, and smooth internal and external surfaces. The EN10305-1 tubes are cold-drawn seamless precision tubes mainly used in mechanical and automotive applications, while the EN10305-4 tubes are tailored for hydraulic and pneumatic pressure systems. Ojas provides high-quality seamless tubing that adheres to European standards, catering to industries like automotive, machinery, fluid power systems, and industrial automation with dependable tubing solutions.
EN10305-1 / EN10305-4 Seamless Tubing is generally made from low carbon steels such as E235, E255, or E355 grades. These tubes typically contain around 0.17–0.22% Carbon, along with trace amounts of Manganese, Silicon, and other alloying elements. The mechanical properties differ by grade, with tensile strength ranging from 340 to 640 MPa and yield strength from 235 to 355 MPa. They boast excellent elongation (≥22%) and are well-suited for cold forming and welding. Their seamless design ensures outstanding pressure resistance and dimensional stability, making them perfect for applications that require high precision and performance under pressure.
| Steel Name | Steel Number | C max. | Si max. | Mn max. | P max. | S max. | AL min. |
| E215 | 1.0212 | 0.10 | 0.05 | 0.7 | 0.025 | 0.025 | 0.025 |
| 1.0308 | 0.17 | 0.35 | 1.2 | 0.025 | 0.025 | / | |
| E355 | 1.058 | 0.22 | 0.55 | 1.6 | 0.025 | 0.025 | / |
| Mechanical properties at room temperature | |||||||||||||
| Steel Grade | Minimum values for the delivery condition | ||||||||||||
| Steel Name | Steel Number | +C | +LC | +SR | +A | +N | |||||||
| Rm Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | ||
| E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290 to 430 | 25 | 30 |
| E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340 to 480 | 235 | 25 |
| E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490 to 630 | 355 | 22 |
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 EN10305-1 / EN10305-4 Seamless Tubing from Ojas 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.
Ojas Pipes and Tubes, a top supplier of EN10305-1 / EN10305-4 Seamless Tubing in Kolkata, 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 Ojas Pipes and Tubes, we specialize in providing custom-sized EN10305-1 / EN10305-4 Seamless 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@ojaspipesandtubes.co.in.
EN10305-1 / EN10305-4 Seamless Tubing finds extensive use in automotive components, mechanical engineering, and hydraulic and pneumatic systems where high dimensional accuracy and pressure integrity are crucial. EN10305-1 is perfect for shock absorbers, steering systems, rollers, and precision mechanical assemblies, while EN10305-4 is favored for hydraulic cylinders, brake lines, fuel injection systems, and fluid transfer lines. These tubes are also utilized in industrial automation, robotics, and agricultural machinery.
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