Samuel Steels, a reputable manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality Carbon Steel A423 Grade 1 Tubing, crafted for outstanding performance in low-temperature and pressure settings. These tubes are made with meticulous attention to detail and adhere to international standards, guaranteeing exceptional strength, durability, and resistance to corrosion. Samuel Steels’ Carbon Steel A423 GR 1 Tubing is a popular choice across various industries, including oil & gas, petrochemical, and power generation, thanks to its remarkable weldability, toughness, and long-lasting service life even in extreme conditions.
 The composition of Carbon Steel A423 GR 1 Tubing primarily includes carbon (up to 0.18%), manganese (0.27–0.63%), phosphorus (≤0.025%), sulfur (≤0.025%), and silicon (at least 0.10%). It boasts a minimum tensile strength of 380 MPa and a yield strength of 205 MPa, along with impressive elongation and impact resistance at low temperatures. This tubing excels in toughness, ductility, and weldability, making it perfect for bending, forming, and fabrication while ensuring high mechanical integrity in critical 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.
Carbon Steel A423 GR 1 Tubing is widely utilized in industries that demand robust materials for low-temperature applications. It’s particularly well-suited for heat exchangers, condensers, pressure vessels, and fluid transfer systems in oil refineries and gas processing facilities. These tubes perform reliably even in cryogenic conditions, maintaining their strength and ductility under pressure. With excellent weldability and corrosion resistance, they are ideal for power plants, shipbuilding, and structural applications, ensuring long-term efficiency and safety in challenging operational environments.
| 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 A423 GR 1 Tubing has extensive application in different industries as it is strong, resistant to corrosion, and affordable. It finds extensive use in the fabrication of bridges, buildings, and structural frames. It is also utilized in power plants, refineries, and oil and gas pipelines where resistance to pressure is necessary. The tubing’s ease of welding and forming makes it specifically suitable for fabrication industries. It is also used in HVAC systems, heat exchangers, and other mechanical equipment where reliable performance under fluctuating thermal and mechanical stress is necessary.
Samuel 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 Abuja, Nigeria.
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