Thabiso Steel is a reliable manufacturer and supplier of Low Temperature Carbon Steel A333 Grade 3 Pipes based in Cape Town, South Africa. We specialize in providing top-notch piping solutions tailored for low-temperature and cryogenic applications. Our A333 Gr 3 pipes are celebrated for their outstanding toughness, durability, and resistance to brittle fractures in freezing conditions. At Thabiso Steel, we take pride in ensuring that each pipe is crafted to meet international standards, featuring precise dimensions, a superior surface finish, and dependable performance even in the toughest service environments. This makes them perfect for the oil, gas, and petrochemical sectors.
Our Low Temperature Carbon Steel A333 Grade 3 Pipes are made from a fine-grain carbon-manganese steel, enhanced with controlled amounts of silicon and other trace elements to boost their mechanical properties. These pipes demonstrate remarkable impact toughness and tensile strength, even at frigid temperatures as low as −45°C. They also offer excellent weldability, machinability, and corrosion resistance in mild environments. With a minimum yield strength of 240 MPa and a tensile strength ranging from 415 to 550 MPa, they ensure safe and reliable performance in low-temperature conditions.
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.
ThabisoSteel is a leading supplier of high-quality Low Temperature Carbon Steel A333 Gr 3 Pipe products in Cape Town, South Africa. We focus on steel solutions and offer a variety of products. This includes Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our products are Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. We are known for our good delivery and excellent customer care. We aim to provide strong and durable steel materials for many industrial uses. We work hard to meet high standards, making us a trusted partner for your steel needs.
These Low Temperature Carbon Steel A333 Grade 3 Pipes are widely utilized in industries that deal with cryogenic or low-temperature fluids. They are particularly suited for applications in LNG plants, refrigeration systems, gas processing units, and the chemical industry. Additionally, you’ll find these pipes in refineries, power generation facilities, and offshore oil platforms, where durability and impact resistance are crucial. Their ability to retain strength and toughness in sub-zero temperatures makes A333 Gr 3 pipes a trustworthy option for transporting liquids and gases under extreme operating conditions.
ThabisoSteel 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 Cape Town, South Africa.
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