Luke Steel is a leading manufacturer and distributor of Carbon Steel A333 Grade 7 Tubing in Houston, USA. Known for its commitment towards quality, reliability, and precision engineering, Luke Steel provides tubing solutions that adhere to international low-temperature service standards. Supported by state-of-the-art manufacturing facilities and rigorous quality control, the company produces long-lasting and high-performance products for demanding industrial uses. Being well-established in both the Middle East and the USA, Luke Steel is a reliable brand in industries like power generation, petrochemicals, and oil and gas, with timely supply and competitive rates.
Carbon Steel A333 Grade 7 Tubing is designed for use in low-temperature conditions, with a chemical composition that has up to 0.19% carbon, 0.90–1.60% manganese, and traces of phosphorus and sulfur. This composition provides outstanding toughness, ductility, and impact resistance under sub-zero conditions. The tubing has a minimum tensile strength of 60,000 psi and yield strength of 30,000 psi, together with enhanced structural integrity in cold conditions. Its mechanical hardness and stable performance render it well-suited for cryogenic services and critical pressure systems.
| Element | A/SA 333 Gr 7 |
| 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.
Jaxon Steel is a leading manufacturer and supplier of Carbon Steel A333 GR 7 Tubing in Houstan, USA. We provide high-quality steel materials and a comprehensive range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our extensive inventory includes Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. With a commitment to fast delivery and exceptional customer service, we ensure that all our products are made from the finest raw materials, offering superior strength, durability, and performance for demanding industrial applications. Contact us today for your Carbon Steel A333 GR 7 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 A333 GR 7 Tubing is widely adopted in industries requiring high-performance piping in sub–zero conditions. Its uses encompass cryogenic piping, heat exchangers, pressure vessels, and power generation systems where toughness and dependability are essential. The tubing also sees extensive use in oil refineries, petrochemical plants, and offshore platforms for the safe handling of gases and liquids at sub-zero temperatures. Its superior weldability, impact resistance, and corrosion protection qualify it for both fluid conveyance and structural support, and it provides uniform, safe operation in the harshest industrial conditions.
Luke 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 Houstan, USA.
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