Naing Steel, based in the heart of Naypyidaw, is proud to be a trusted source for high-grade industrial materials like Carbon Steel A333 GR 7 Tubing. We understand the critical demands of modern projects, which is why we focus on supplying tubing that combines reliability with exceptional performance in challenging environments. Our commitment extends beyond just delivery; we aim to be a dependable partner for industries across Myanmar, ensuring you receive products that meet rigorous international standards and contribute to the successful completion of your most important work.
The composition of A333 GR 7 tubing is carefully balanced for low-temperature toughness, primarily featuring a low carbon content alongside key additions of nickel, which is crucial for its performance. This specific alloying gives the material its signature strength and ductility even when the mercury plummets. Mechanically, it is designed to withstand significant pressure while resisting impact, ensuring integrity in applications where brittleness would be a major concern. This combination of chemical and physical properties makes it a resilient choice for demanding service conditions.
| 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.
Naing Steel is a leading manufacturer and supplier of Carbon Steel A333 GR 7 Tubing in Naypyidaw, Myanmar. 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 essential in systems where failure is not an option, particularly in cryogenic and low-temperature processes. You will commonly find it forming the backbone of pipelines and equipment within liquefied gas plants, refrigeration units, and chemical processing facilities. Its ability to remain tough and reliable in frigid environments makes it ideal for transporting substances like ammonia or other gases. Essentially, wherever operations involve extreme cold, this grade of tubing provides the necessary safety and durability to keep everything running smoothly and securely.
Naing 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 Naypyidaw, Myanmar.
Copyright 2025 Naing Steel. All rights reserved