Marzouk Steel, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality steel products engineered for demanding industrial environments. One of its key low-temperature service products is Carbon Steel A334 Gr 6 Tubing, designed to perform reliably in sub-zero conditions. Manufactured in accordance with ASTM A334 standards, this tubing offers excellent toughness, durability, and safety at low temperatures. Marzouk Steel maintains strict quality control throughout production, ensuring A334 Gr 6 tubing meets international standards and delivers consistent performance in critical cold-service applications.
Carbon Steel A334 Gr 6 Tubing is produced from high-quality carbon steel with controlled chemical composition, including carbon, manganese, phosphorus, and sulfur. This grade is known for its excellent impact resistance and toughness at low temperatures. The tubing provides good tensile and yield strength, uniform wall thickness, and strong resistance to brittle fracture. Its seamless or welded construction ensures reliable mechanical performance under low-temperature and moderate-pressure operating conditions.
| Element | A/SA 334 Gr A6 |
| 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.
Marzouk Steel is a trusted manufacturer and supplier of high-quality Carbon Steel A334 GR 6 Tubing in Tunis, Tunisia. We provide premium steel materials and a comprehensive range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our vast inventory includes Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Committed to fast delivery and exceptional customer service, we source only the highest-grade raw materials to ensure superior strength and durability for demanding industrial applications. Reach out to us today for all your Carbon Steel A334 GR 6 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 Gr 6 Tubing is widely used in low-temperature piping systems, LNG facilities, gas processing plants, and cold-climate industrial applications. It is suitable for transporting liquids and gases such as hydrocarbons, water, and process fluids in sub-zero environments. The tubing is also used in refineries, petrochemical plants, and refrigeration systems where safety and durability are essential. Engineers rely on A334 Gr 6 tubing for its consistent performance, long service life, and resistance to brittle failure in extreme cold conditions.
Marzouk 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 Tunis, Tunisia.
Copyright 2025 Marzouk Steel. All rights reserved