Yousef Steel, located in Riyadh, Saudi Arabia, stands out as a trusted manufacturer and supplier of top-notch steel pipes tailored for challenging environments. One of their standout products is the **Low Temperature Carbon Steel A333 Grade 9 pipe**, specifically designed to perform reliably in sub-zero and cryogenic conditions. Meeting ASTM A333 specifications, these Grade 9 pipes are perfect for critical applications in the oil and gas, LNG, petrochemical, and energy industries. Yousef Steel prides itself on precise manufacturing, rigorous quality control, and prompt delivery, catering to clients who need dependable performance in low-temperature settings.
ASTM A333 Grade 9 is a low-temperature carbon steel alloy that incorporates chromium and molybdenum to boost its mechanical and thermal properties. Its typical chemical makeup includes carbon (max 0.15%), manganese (0.60–1.10%), phosphorus (max 0.025%), sulfur (max 0.025%), chromium (0.40–1.00%), and molybdenum (0.15–0.30%). This grade is engineered to function at temperatures as low as -75°F (-59°C) while maintaining impressive strength and outstanding impact toughness. With a minimum yield strength of 275 MPa and a tensile strength of 485 MPa, A333 Gr 9 strikes a strong balance between durability, low-temperature performance, and resistance to corrosion.
| Specifications | ASTM A 333, ASME SA 333 |
| Size Range | 1/2” NB to 36” NB |
| Wall Thickness | 2.0mm-14 mm |
| Schedules | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Type | Seamless / Welded |
| Length | max 16000mm |
| Outer Dimensions | 19.05mm-114.3mm |
| Grade | Grade 8 |
| Element |
Grade 1 |
| Carbon, max |
0.30 |
| Manganese |
0.40 – 1.06 |
| Phosphorous, max |
0.025 |
| Sulfur, max |
0.025 |
| Silicon |
– |
| Nickel |
– |
| Grade | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
| Corten A | 355 | 470-630 | 20 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Low Temperature Carbon Steel A333 Gr 9 pipes are ideally suited for systems that transport chilled or liquefied gases, such as ammonia, ethylene, and LNG, in cryogenic and offshore applications. The inclusion of chromium and molybdenum enhances resistance to oxidation and creep during temperature changes, making it a great choice for power plants, chemical processing facilities, and pressure vessels. These pipes are also utilized in cold climate infrastructure where structural integrity and long-term performance are crucial.
Low Temperature Carbon Steel A333 Gr 9 Pipe finds extensive applications in matters requiring extremely good toughness at low temperature. It’s, therefore, in high demand in cryogenic and refrigeration systems, petrochemical industries, and gas processing plants. The pipes are well-suited for transporting liquefied natural gas (LNG), liquid nitrogen, and other cryogenic fluids. They have excellent welding ability and strength relative to structural application in cold climate areas. Pipe applications can also be found in chemical plants and power generation plants for added safety and reliability under extreme conditions.
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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