Marzouk Steel is a reputable manufacturer and supplier of carbon steel JIS G3455 pipes, proudly based in Tunis, Tunisia. The company is dedicated to providing top-notch piping solutions that adhere to international standards, catering to a wide range of industrial, construction, and engineering needs. With a keen emphasis on precision manufacturing, stringent quality control, and prompt delivery, Marzouk Steel guarantees products that are both durable and dependable. Their technical know-how and streamlined supply chain have made them a go-to choice for JIS G3455 carbon steel pipes, especially for projects that demand long-lasting performance, structural integrity, and outstanding mechanical properties.
JIS G3455 carbon steel pipes are crafted in accordance with Japanese Industrial Standard specifications for electric-resistance-welded (ERW) carbon steel pipes, designed for pressure and structural applications. The chemical makeup typically consists of carefully controlled levels of carbon, manganese, phosphorus, and sulfur, which contribute to excellent weldability, toughness, and strength. On the mechanical side, JIS G3455 pipes provide adequate tensile and yield strength, remarkable impact resistance, and consistent mechanical properties, making them ideal for both structural and pressure-bearing uses. These pipes are usually available in standard hot-finished or cold-finished conditions, ensuring precise dimensions and a smooth surface finish.
| JIS Standard | : | JIS G3455 |
| JIS G3455 Grade | : | STS480, STPG 410, STPG 370 |
| JIS G3455 Wall Thickness | : | 1.0mm – 20 mm THK |
| JIS G3455 Outer Dimensions | : | 6mm – 150mm |
| JIS G3455 | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| STPG 370 | 0.25 max. | 0.10-0.35 | 0.30-1.10 | 0.035 | 0.035 |
| STPG 410 | max 0.30 | 0.10-0.35 | 0.30-1.40 | 0.035 | 0.035 |
| JIS G3455 | Yield Strength | Tensile Strength | Elongation A5 min | |||
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage | |
| STS 370 | 370 | – | – | 30 | ||
| STS 410 | 410 | – | – | 25 | ||
| STS 480 | 480 | – | – | 25 | ||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Marzouk Steel is a trusted manufacturer and supplier of high-quality Carbon Steel JIS G3455 Pipe products in Tunis, Tunisia. Specializing in premium steel materials, we offer a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our extensive inventory includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. With a commitment to timely delivery and exceptional customer service, Marzouk Steel ensures the supply of top-grade materials that deliver outstanding performance in demanding industrial applications. Count on Marzouk Steel for all your Carbon Steel JIS G3455 Pipe requirements.
| Permissible Specified Outside Diameter and Specified Wall Thickness | ||
Specified Outside Diameter D mm (in.) | Specified Wall Thickness t mm (in.) | |
| Special Light Sizes a | Regular Sizes | |
| ≥ 10.3 (0.405) to < 13.7 (0.540) | — | ≥ 1.7 (0.068) to ≤ 2.4 (0.094) |
| ≥ 13.7 (0.540) to < 17.1 (0.675) | — | ≥ 2.2 (0.088) to ≤ 3.0 (0.118) |
| ≥ 17.1 (0.675) to < 21.3 (0.840) | — | ≥ 2.3 (0.091) to ≤ 3.2 (0.125) |
| ≥ 21.3 (0.840) to < 26.7 (1.050) | — | ≥ 2.1 (0.083) to ≤ 7.5 (0.294) |
| ≥ 26.7 (1.050) to < 33.4 (1.315) | — | ≥ 2.1 (0.083) to ≤ 7.8 (0.308) |
| ≥ 33.4 (1.315) to < 48.3 (1.900) | — | ≥ 2.1 (0.083) to ≤ 10.0 (0.394) |
| ≥ 48.3 (1.900) to < 60.3 (2.375) | — | ≥ 2.1 (0.083) to ≤ 12.5 (0.492) |
| ≥ 60.3 (2.375) to < 73.0 (2.875) | ≥ 2.1 (0.083) to ≤ 3.6 (0.141) | > 3.6 (0.141) to ≤ 14.2 (0.559) |
| ≥ 73.0 (2.875) to < 88.9 (3.500) | ≥ 2.1 (0.083) to ≤ 3.6 (0.141) | > 3.6 (0.141) to ≤ 20.0 (0.787) |
| ≥ 88.9 (3.500) to < 101.6 (4.000) | ≥ 2.1 (0.083) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 22.0 (0.866) |
| ≥ 101.6 (4.000) to < 168.3 (6.625) | ≥ 2.1 (0.083) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 25.0 (0.984) |
| ≥ 168.3 (6.625) to < 219.1 (8.625) | ≥ 2.1 (0.083) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 40.0 (1.575) |
| ≥ 219.1 (8.625) to < 273.1 (10.750) | ≥ 3.2 (0.125) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 40.0 (1.575) |
| ≥ 273.1 (10.750) to < 323.9 (12.750) | ≥ 3.6 (0.141) to ≤ 5.2 (0.203) | > 5.2 (0.203) to ≤ 45.0 (1.771) |
| ≥ 323.9 (12.750) to < 355.6 (14.000) | ≥ 4.0 (0.156) to ≤ 5.6 (0.219) | > 5.6 (0.219) to ≤ 45.0 (1.771) |
| ≥ 355.6 (14.000) to < 457 (18.000) | ≥ 4.5 (0.177) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 45.0 (1.771) |
| ≥ 457 (18.000) to < 559 (22.000) | ≥ 4.8 (0.188) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 45.0 (1.771) |
| ≥ 559 (22.000) to < 711 (28.000) | ≥ 5.6 (0.219) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 45.0 (1.771) |
| ≥ 711 (28.000) to < 864 (34.000) | ≥ 5.6 (0.219) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 52.0 (2.050) |
| ≥ 864 (34.000) to < 965 (38.000) | — | ≥ 5.6 (0.219) to ≤ 52.0 (2.050) |
| ≥ 965 (38.000) to < 1422 (56.000) | — | ≥ 6.4 (0.250) to ≤ 52.0 (2.050) |
| ≥ 1422 (56.000) to < 1829 (72.000) | — | ≥ 9.5 (0.375) to ≤ 52.0 (2.050) |
| ≥ 1829 (72.000) to < 2134 (84.000) | — | ≥ 10.3 (0.406) to ≤ 52.0 (2.050) |
Carbon steel JIS G3455 pipes find extensive use in various industrial, structural, and mechanical applications. They are commonly utilized in pipelines, structural frameworks, scaffolding, automotive parts, pressure-bearing structures, and heavy machinery. Additionally, they play a vital role in the oil and gas, petrochemical, and general fabrication sectors. Thanks to their impressive combination of strength, weldability, and durability, JIS G3455 carbon steel pipes are the preferred choice for applications that require reliable performance, structural soundness, and a long service life.
Marzouk 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 Tunis, Tunisia.
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