Phanuphong Steel and Plates is a reputable manufacturer and supplier based in Bangkok, Thailand, specializing in high-quality Carbon Steel JIS G3454 Pipes for a variety of industrial applications. Renowned for their precision, durability, and outstanding performance, the company guarantees that each pipe adheres to international standards and meets customer expectations. With a strong emphasis on quality assurance, Phanuphong Steel and Plates provides products that are perfect for pressure piping, fluid transport, and structural use. Catering to both local and international markets, the company is dedicated to timely deliveries, exceptional service, and dependable steel solutions that address diverse industrial needs.
Carbon Steel JIS G3454 Pipes are primarily made up of carbon, manganese, silicon, phosphorus, and sulfur, which contribute to their impressive strength and durability. These pipes boast remarkable mechanical properties, including high tensile strength, good yield strength, and reliable impact resistance. They also offer excellent toughness, weldability, and formability, making them suitable for both high-pressure and moderate-temperature applications. Their well-balanced composition and performance traits make them ideal for structural support and fluid transportation. With their durability, cost-effectiveness, and consistent reliability, Carbon Steel JIS G3454 Pipes are a fantastic choice for industrial piping needs.
| Standard | : | JIS G3454 |
| JIS G3454 Grade | : | STPG 410, STPG 370 |
| JIS G3454 Outer Dimensions | : | 6mm – 150mm |
| JIS G3454 Wall Thickness | : | 1.0mm – 20 mm THK |
| JIS G3454 | Elongation % | ||||
|---|---|---|---|---|---|
| C | Si | Mn | P | S | |
| STPG 370 | 0.25 max. | 0.35 max. | 0.30 to 0.90 | 0.040 max. | 0.040 max. |
| STPG 410 | 0.30 max. | 0.35 max. | 0.30 to 1.00 | 0.040 max. | 0.040 max. |
| JIS G3454 | Tensile strength | Yield point or proof stress | Elongation % | |||
|---|---|---|---|---|---|---|
| kgf/mm2 {N/mm2} | kgf/mm2 {N/mm2} | No.11 and No.12 test pieces | No. 5 test pieces | No. 4 test piece | ||
| Longitudinal | Transverse | Longitudinal | Transverse | |||
| STPG 370 | 38 {373}min | 22{216} min | 30 min | 25 min | 23 min | 28 min |
| STPG 410 | 42{412}min | 25{245} min | 25 min | 20 min | 19 min | 24 min |
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 trusted manufacturer and supplier of high-quality Carbon Steel JIS G3454 Pipe products in Bangkok, Thailand. Specializing in premium steel materials, we offer a comprehensive 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 strong focus on timely delivery and exceptional customer service, Phanuphong Steel ensures the supply of top-grade materials that provide superior performance in various industrial applications. Trust Phanuphong Steel for all your Carbon Steel JIS G3454 Pipe needs.
| 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) |
These pipes are widely utilized across various industries due to their strength and dependability. They find extensive application in high-pressure piping systems, power plants, and boiler setups, ensuring safe and efficient fluid transport. In the oil, gas, and petrochemical sectors, these pipes are favored for transporting steam, gas, and petroleum products. Additionally, they are used in construction, mechanical engineering, and shipbuilding for structural and piping networks. Their durability, stress resistance, and ability to withstand pressure make them an ideal solution for industrial pipelines, utility services, and infrastructure development.
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.
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