Yousef Steel is a reliable manufacturer and supplier of Carbon Steel ASTM A334 Grade 11 Tubing, proudly based in Riyadh, Saudi Arabia. Known for their precision-engineered steel products, Yousef Steel specializes in A334 Gr 11 seamless carbon-manganese tubing, crafted specifically for low-temperature applications. These tubes are essential in pressure systems that require outstanding impact resistance and durability, even in sub-zero conditions. Catering to vital sectors throughout Saudi Arabia and the Middle East, Yousef Steel is committed to delivering consistent quality, timely deliveries, and expert technical support for energy, petrochemical, and industrial projects that need dependable low-temperature carbon steel tubing solutions.
Carbon Steel A334 Grade 11 Tubing features a maximum of 0.20% carbon and 0.50–1.20% manganese, along with minimal phosphorus and sulfur content. Renowned for their toughness in low temperatures, these tubes are usually supplied in a normalized state. Their mechanical properties boast a minimum tensile strength of 415 MPa and a yield strength of 240 MPa. Grade 11 tubing is appreciated for its good ductility, weldability, and impact resistance, particularly in cold service scenarios. This combination of mechanical strength and low-temperature performance makes A334 Gr 11 an excellent choice for critical pressure-bearing applications.
| Element | A/SA 334 Gr A11 |
| C | 0.30 max |
| Mn | 0.40-1.06 |
| P | 0.025 max |
| S | 0.025 max |
| Element | A/SA 334 |
| Tensile Strength, (MPa) | 380 min |
| Yield Strength, (MPa) | 205 min |
| Elongation min. % | 35 |
| Hardness, HB | 163 max |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Yousef Steel is a leading manufacturer and supplier of Carbon Steel A334 GR 11 Tubing in Riyadh, Saudi Arabia. We offer premium-quality steel materials and an extensive range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our vast inventory features Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Committed to fast delivery and exceptional customer service, we ensure that all our products are crafted from the highest-quality raw materials, delivering outstanding strength, durability, and performance for demanding industrial applications. Contact us today for your Carbon Steel A334 GR 11 Tubing needs!
| Outside | Nominal | Wall | Inside | Weight |
| Diameter | Pipe Diameter | Thickness | Diameter | Lbs |
| Inches | Inches | Inches | Inches | Per Foot |
| 1.660 | 1-1/4 | .140 | 1.380 | 2.273 |
| 1.315 | 1 | .133 | 1.049 | 1.679 |
| 1.900 | 1-1/2 | .145 | 1.610 | 2.718 |
| 2.875 | 2-1/2 | .203 | 2.469 | 5.793 |
| 2.375 | 2 | .154 | 2.067 | 3.653 |
| 6.625 | 6 | .28 | 6.056 | 18.97 |
| 3.50 | 3 | .216 | 3.068 | 7.576 |
| 4.50 | 4 | .237 | 4.026 | 10.79 |
| 4 | 3-1/2 | .226 | 3.548 | 9.109 |
| 5.563 | 5 | .258 | 5.047 | 14.62 |
| 8.625 | 8 | .322 | 7.981 | 28.55 |
Carbon Steel A334 Grade 11 Tubing is extensively utilized in situations where durability and reliability in low temperatures are crucial. This includes cryogenic systems, gas processing facilities, power plants, petrochemical plants, and offshore platforms. The tubing is perfect for heat exchangers, condensers, and pressure vessels operating in chilly environments. It also plays a vital role in piping systems for LNG projects and refrigerated storage solutions. With its remarkable weldability and impact strength at temperatures as low as -45°C, A334 Gr 11 tubing guarantees safety, performance, and long-lasting service in demanding and cold operational settings.
Yousef Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Riyadh, Saudi Arabia.
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