Phanuphong Steel and Plates, a top-notch manufacturer and supplier based in Bangkok, Thailand, specializes in high-quality **Carbon Steel A423 GR 1 Tubing** tailored for demanding industrial and mechanical applications. With a reputation for precision manufacturing and durability, Phanuphong Steel is committed to meeting international standards, ensuring that every piece of tubing performs reliably even in tough conditions. Crafted using cutting-edge techniques and rigorous quality control, this Grade 1 tubing is perfect for mechanical, structural, and engineering projects that demand both toughness and accuracy. Catering to both local and global markets, the company provides cost-effective and versatile tubing solutions that promise long-lasting reliability, strength, and efficiency across a wide range of industrial uses.
The **Carbon Steel A423 GR 1 Tubing** is mainly made from low-alloy carbon steel, featuring controlled amounts of manganese, phosphorus, and sulfur to achieve the perfect mix of strength, ductility, and toughness. On a mechanical level, it boasts impressive tensile strength, yield strength, hardness, elongation, and impact resistance, making it ideal for heavy-duty tasks. Its excellent weldability and consistent microstructure ensure it can withstand varying pressures and temperatures, making it a go-to choice for mechanical components, structural assemblies, and fabrication projects that require precision, reliability, and long-lasting performance.
| 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.
Phanuphong Steel is a leading manufacturer and distributor of high-quality Carbon Steel A423 GR 1 Tubing in Bangkok, Thailand. 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 **Carbon Steel A423 GR 1 Tubing** finds its place in various industries, including automotive, construction, oil and gas, and general engineering. It’s perfect for creating shafts, machinery components, seamless tubing, and pressure-bearing equipment. Thanks to its weldability and formability, it adapts easily to structural frameworks, mechanical assemblies, and fabrication projects. In industrial machinery and automotive settings, it delivers dependable performance even under stress, vibration, and high-pressure conditions. Renowned for its strength, this tubing is a trusted choice for professionals across multiple sectors.
Phanuphong 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 Bangkok, Thailand.
Copyright 2025 Phanuphong Steel. All rights reserved
