As a trusted manufacturer and supplier based in Naypyidaw, Naing Steel takes pride in delivering robust and reliable materials that form the backbone of modern industry. Our Carbon Steel A423 GR 1 Tubing is a prime example of this commitment, engineered to meet the demanding specifications required for critical applications. We understand that the integrity of your projects depends on the quality of your materials, which is why we ensure every length of tubing we supply is produced to the highest standards of consistency and performance.
The composition of this tubing is carefully balanced, primarily consisting of iron and carbon with precise additions of manganese, silicon, and phosphorus to achieve its specific character. This results in a material with excellent mechanical properties, including a notable tensile strength and good ductility, allowing it to withstand significant pressure and stress. Its reliable yield strength ensures predictable performance under load, making it a dependable choice for engineers who need a material that performs consistently in challenging environments.
| Size Range | : | ½” OD to 16” OD |
| Standards | : | AASTM A 423 / ASME SA 423 |
| Grade | : | ASTM A423 GR 1 / ASME SA423 GR 1 |
| Type | : | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| Length | : | Single Random, Double Random & Customize Size |
| Type | : | Weathering Steel |
| End | : | Plain End, Beveled End, Threaded End |
| Element | C, % | Mn, % | P, % | S, % | Si, % | Cu, % | Cr, % | Ni, % |
|---|---|---|---|---|---|---|---|---|
| A/SA 423 GR 1 | 0.15 max. | 0.55 max. | 0.06–0.16 | 0.060 max. | 0.10 min. | 0.20–0.60 | 0.24–1.31 | 0.20–0.70 |
| Grade | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
| Corten A | 355 | 470-630 | 20 |
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 distributor of high-quality Carbon Steel A423 GR 1 Tubing in Naypyidaw, Myanmar. We offer premium steel materials and a wide range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our extensive inventory features Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Committed to fast delivery and exceptional customer service, we source top-grade raw materials to ensure superior strength and durability for demanding industrial applications. Contact us today for all your Carbon Steel A423 GR 1 Tubing needs!
| 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 in sectors where safety and durability are non-negotiable. You will typically find it serving as a core component in heat exchangers, condensers, and other pressurized vessels, especially where temperatures are elevated but not extreme. Its ability to handle such conditions makes it a go-to material for power generation facilities, petrochemical plants, and various industrial processing systems, providing a long-lasting and trustworthy solution for complex piping networks.
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