Naing Steel, a trusted manufacturer and supplier based in Naypyidaw, is proud to offer high-quality Carbon Steel A334 GR 1 Tubing, engineered for reliability in demanding conditions. We understand that our clients in Myanmar’s growing industrial sector need materials they can count on, which is why our tubing is produced with meticulous attention to detail. This commitment ensures we provide robust solutions for critical projects, supporting the nation’s infrastructure and energy development with durable, dependable products that meet rigorous international standards.
The strength of this tubing comes from its specific composition, primarily carbon and manganese, which gives it excellent mechanical properties. It is designed to perform reliably at low temperatures, offering good tensile strength and notch toughness. This combination means the tubing can withstand significant pressure and stress without becoming brittle, making it a fundamentally sound and resilient choice for systems where failure is not an option.
| Element | A/SA 334 Gr A1 |
| 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 trusted manufacturer and supplier of high-quality Carbon Steel A423 GR 1 Tubing in Naypyidaw, Myanmar. We provide premium 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 source top-grade raw materials to ensure outstanding strength and durability for demanding industrial applications. Contact us today for all your Carbon Steel A423 GR 1 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 |
This particular grade of tubing is essential for low-temperature service, making it a go-to material for heat exchangers, condensers, and piping systems in refrigeration and gas processing plants. Its reliability is also crucial in power generation facilities and various industrial processing applications. Essentially, wherever a system operates in chilly environments and demands unwavering integrity, A334 GR 1 provides the durable, safe, and efficient conduit needed for seamless operations.
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
