Yousef Steel, a reputable name in the steel manufacturing and supply industry located in Riyadh, Saudi Arabia, provides top-notch piping solutions specifically designed for critical low-temperature applications. One of their standout products is the Low Temperature Carbon Steel A333 Grade 3 pipe, engineered to uphold mechanical integrity even in sub-zero conditions. Adhering to ASTM A333 standards, this pipe grade boasts exceptional toughness, weldability, and performance, making it a perfect fit for sectors like oil and gas, petrochemical, LNG, and power generation. Yousef Steel is committed to ensuring a reliable supply, rigorous quality control, and prompt technical support to meet all client needs.
The ASTM A333 Grade 3 pipe is crafted from low-temperature carbon-manganese steel, which offers enhanced mechanical strength and notch toughness. Its typical chemical makeup includes carbon (max 0.19%), manganese (0.31–0.64%), phosphorus (max 0.025%), and sulfur (max 0.025%), resulting in a fantastic balance of strength and ductility. This grade surpasses Grade 1 in mechanical properties, featuring a minimum yield strength of 240 MPa and a minimum tensile strength of 450 MPa. Designed to perform in temperatures as low as -45°C (-50°F), A333 Gr 3 pipes undergo rigorous impact testing to guarantee consistent toughness in cold operating environments.
Specification : ASTM A333 / ASME SA333
Grade : Grade 3
Size Range : 1/2″ NB to 36″ NB
Outer Dimensions : 19.05mm – 114.3mm
Wall Thickness : 2.0mm – 14 mm
Length : max 16000mm, Single Random, Double Random & Cut Length or As per customer’s requirement
Type : Seamless / ERW / Welded
Schedules : Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form : Round Pipes, Square Pipes, Rectangular Pipe
| Grades | C, max | Mn | P, max | S, max | Si |
| Gr.3 | 0.19 | 0.31–0.64 | 0.025 | 0.18–0.37 | 3.18–3.82 |
| Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| Grade.3 | ≥450 | ≥240 | 30% |
| Wall Thickness | Grade 1 | Grade 3 | Grade 6 | ||||
| in. | mm | Longitudinal | Transverse | Longitudinal | Transverse | Longitudinal | Transverse |
| 5/16 (0.312) | 8 | 35 | 25 | 30 | 20 | 30 | 16 |
| 9/32 (.281) | 7.2 | 33 | 24 | 28 | 19 | 28 | 15 |
| 1/4 (.250) | 6.4 | 32 | 23 | 27 | 18 | 27 | 15 |
| 7/32 (.219) | 5.6 | 30 | 26 | 26 | |||
| 3/16 (.188) | 4.8 | 28 | 24 | 24 | |||
| 5/32 (.156) | 4 | 26 | 22 | 22 | |||
| 1/8 (.125) | 3.2 | 25 | 21 | 21 | |||
| 3/32 (.094) | 2.4 | 23 | 20 | 20 | |||
| 1/16 (.063) | 1.6 | 21 | 18 | 18 | |||
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 3 pipes are extensively utilized in cryogenic and cold climate applications where high strength and low-temperature impact resistance are crucial. They are particularly well-suited for pipelines that transport chilled fluids, liquefied natural gas (LNG), and other low-temperature media in refineries, power plants, and offshore platforms. The enhanced strength of Grade 3 also makes it ideal for higher-pressure systems operating in low-temperature conditions. With outstanding weldability and structural integrity, these pipes are a reliable choice for demanding applications.
Low Temperature Carbon Steel A333 Gr 3 Pipes widely used for the applications required excellent toughness and resistance to the low-temperature condition. These pipes are suitable for use in cryogenic applications in liquefied natural gas (LNG) plants, petrochemical refineries, and gas processing plants. They are used frequently for the distribution of cold gases and liquids, owing to their mechanical properties remaining high at sub-zero degrees. And they are also used in pressure vessel construction and heat exchangers where durability and reliability in extreme cold matter. They are well weldable and good in low temperature service.
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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