Yousef Steel is a trusted name in the manufacturing and supply of Carbon Steel ASTM A334 Grade 9 Tubing, proudly based in Riyadh, Saudi Arabia. With a strong commitment to quality, Yousef Steel specializes in A334 Gr 9 seamless low-temperature carbon steel tubing, perfect for pressure applications in chilly environments. These tubes are designed for exceptional durability, toughness, and performance even in sub-zero conditions, all while adhering to strict ASTM standards. Catering to various industries throughout Saudi Arabia and the Middle East, Yousef Steel provides precision-engineered tubing, timely deliveries, and expert technical support for both small and large infrastructure projects.
The Carbon Steel A334 Grade 9 Tubing consists of a maximum of 0.20% carbon, 0.30–1.06% manganese, along with trace amounts of phosphorus and sulfur, making it ideal for low-temperature applications. It boasts a minimum tensile strength of 415 MPa and a yield strength of 240 MPa, along with impressive elongation and impact resistance in sub-zero temperatures. These tubes undergo normalization or quenching and tempering processes to boost their mechanical properties. A334 Gr 9 is known for its excellent toughness and weldability, making it suitable for environments as frigid as -45°C (–50°F).
| Element | A/SA 334 Gr A9 |
| 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 8 Tubing in Riyadh, Saudi Arabia. We provide top-quality steel materials and a wide range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our extensive inventory consists of Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. With a strong commitment to fast delivery and exceptional customer service, we ensure that all our products are made from the finest raw materials, guaranteeing superior strength, durability, and performance for demanding industrial applications. Get in touch with us today for your Carbon Steel A334 GR 8 Tubing requirements!
| 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 9 Tubing is extensively utilized in industries that demand reliable performance in low-temperature settings. These tubes play a crucial role in LNG plants, cryogenic systems, gas processing units, power generation facilities, and refineries. Their toughness in sub-zero conditions makes them perfect for transporting fluids and gases in cold environments, including offshore platforms and Arctic installations. They are also commonly found in heat exchangers, condensers, and boiler systems. Thanks to their robust durability and outstanding weldability, A334 Gr 9 tubes ensure safe and efficient operations in critical piping systems that face fluctuating or extremely low temperatures.
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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