Naing Steel stands as a leading manufacturer and supplier in Naypyidaw, dedicated to providing the robust infrastructure solutions that Myanmar’s development depends on. We take pride in our production of the Carbon Steel JIS G3461 Pipe, a product engineered to meet the rigorous demands of modern construction and industrial projects. Our commitment lies in delivering not just materials, but reliability and strength, ensuring every pipe contributes to the lasting success of your ventures with uncompromised quality and precision.
The composition of this pipe is a careful balance of carbon, manganese, and silicon, creating a material known for its excellent strength and durability. It is specifically designed to offer superior mechanical properties, including high tensile strength and good weldability, which are essential for structural integrity. This combination ensures the pipe can handle significant pressure and stress, making it a dependable choice for demanding applications where performance and safety cannot be compromised.
| 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.
Naing Steel is a leading manufacturer and distributor of high-quality Carbon Steel JIS G3461 Pipe in Naypyidaw, Myanmar. 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 |
These pipes are the backbone of countless essential systems, commonly used for conveying water, oil, and gas in pipeline projects across the country. Their primary application, however, is in structural frameworks, forming the sturdy skeletons of buildings, bridges, and industrial facilities. You will also find them in piling work, providing deep foundational support for large structures. This versatility makes the JIS G3461 pipe an indispensable component in shaping Myanmar’s growing urban landscape and industrial base, trusted by engineers for its proven performance.
Naing 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 Naypyidaw, Myanmar.
Copyright 2025 Naing Steel. All rights reserved
