Phanuphong Steel and Plates, located in the vibrant city of Bangkok, Thailand, stands out as a top-notch manufacturer and supplier of high-quality Carbon Steel JIS G3461 pipes. Known for its unwavering dedication to precision and durability, this company caters to a variety of industries, including construction, oil and gas, and machinery. Phanuphong Steel takes pride in ensuring that every JIS G3461 pipe adheres to stringent international standards, delivering reliable and long-lasting products to its clients. With state-of-the-art production facilities and a talented workforce, the company excels in providing tailored solutions, timely deliveries, and outstanding customer service, reinforcing its status as a trusted partner in the steel and piping sector.
Carbon Steel JIS G3461 pipes are primarily made of carbon, with carefully controlled levels of manganese, phosphorus, and sulfur. This specific composition guarantees high strength, durability, and excellent weldability. Mechanically, these pipes typically showcase tensile strengths ranging from 400 to 550 MPa, with yield strengths around 240 to 350 MPa, making them resistant to deformation under pressure. They also boast good hardness and toughness, ensuring they perform well under moderate temperatures and pressures. These characteristics make JIS G3461 pipes ideal for a wide range of industrial applications, blending reliability with structural integrity to meet demanding operational requirements.
| Standards | JIS G3461 Carbon Steel Pipe |
|---|---|
| JIS G3461 Carbon Steel Seamless Pipe Size | 4 to 219mm W. T.: 0.5 to 20mm |
| JIS G3461 Carbon Steel Welded Pipe Size | 5.0 mm – 1219.2 mm |
| JIS G3461 Carbon Steel EFW Pipe size | 5.0 mm – 1219.2 mm |
| JIS G3461 Carbon Steel Tube Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| JIS G3461Â Carbon Steel Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| JIS G3461 Carbon Steel Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
| JIS G3461 Carbon Steel Welded Tube Size | 6.35 mm OD To 152 mm OD |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| JIS G3456 Carbon Steel Tube wall thickness | 0.020″ –0.220″, (special wall thicknesses available) |
| Length | Single Random, Double Random, Standard & Cut length Pipe & Tube |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Form | Round, Hydraulic, ‘U’ bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc |
| Type | Welded, Seamless, ERW, EFW, Fabricated Pipe, ‘U’ bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Tube etc |
| End | Plain End, Beveled End, Treaded Pipe & Tube |
| Marking | All JIS G3461 Carbon Steel Pipe are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| Application | Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat exchanger Tube |
| Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Test Certificate | Manufacturer Test Certificate Laboratory Test Certificate from Govt. Approved Lab. Under Third Party Inspection |
| Standard | Grade | Chemical Composition Limits (%) | ||||
| C | Si | Mn | P | S | ||
| JIS G3461 | JIS G3461 STB340 | ≤ 0.18 | ≤ 0.3 | 0.30-0.60 | ≤ 0.035 | ≤ 0.035 |
| JIS G3461 STB410 | ≤ 0.32 | ≤ 0.35 | 0.30-0.80 | ≤ 0.035 | ≤ 0.035 | |
| JIS G3461 STB510 | ≤ 0.25 | ≤ 0.35 | 1.00-1.50 | ≤ 0.035 | ≤ 0.035 | |
| Grade | Tensile Property (N/mm2) | Yield Point or Yield Strength (N/mm2) | Elongation (%) | ||
| OD ≥20 mm | 10 mm ≤OD <20 mm | OD <10 mm | |||
| NO. 11 Sample; NO. 12 Sample | NO. 11 Sample | NO. 11 Sample | |||
| Longitudinal | Transverse | Transverse | |||
| JIS G3461 STB340 | ≥ 340 | ≥ 175 | ≥ 35 | ≥ 30 | ≥ 27 |
| JIS G3461 STB410 | ≥ 410 | ≥ 255 | ≥ 25 | ≥ 20 | ≥ 17 |
| JIS G3461 STB510 | ≥ 510 | ≥ 295 | ≥ 25 | ≥ 20 | ≥ 17 |
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 JIS G3461 Pipe in Bangkok, Thailand. Offering premium steel materials, the company provides an extensive range of products, including Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our diverse inventory includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Committed to timely delivery and exceptional service, we ensure that only the finest raw materials are used to guarantee superior performance in all industrial applications with stringent requirements. Contact us today to meet your Carbon Steel JIS G3461 Pipe needs.
| Component length (mm) | OD 30-100 mm | OD 100-254 mm |
| 10-100 | + 1.0/- 0 | + 2.0/- 0 |
| 100-600 | + 2.0/- 0 | + 3.0/- 0 |
| 600-1200 | + 3.0/- 0 | + 4.0/- 0 |
| 1200-5000 | + 5.0/- 0 | + 6.0/- 0 |
In industries like oil and gas, construction, and manufacturing, Carbon Steel JIS G3461 pipes are widely utilized. They are perfect for transporting water, gas, and other fluids thanks to their high-pressure resistance and corrosion resistance. Additionally, they play a vital role in structural applications, such as frameworks, scaffolding, and mechanical supports, where strength and durability are essential. Their excellent weldability allows for the creation of customized piping systems and industrial installations. These pipes are also found in chemical plants, power generation facilities, and infrastructure projects, delivering dependable performance and a long service life in challenging environments. Their versatility truly makes them a go-to choice for various applications.
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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