Marzouk Steel is a reputable manufacturer and supplier of carbon steel JIS G3456 pipes, proudly based in Tunis, Tunisia. The company specializes in delivering top-notch piping solutions that adhere to international standards, serving a diverse array of industrial, construction, and engineering needs. With a strong focus on quality control, cutting-edge manufacturing techniques, and a dedication to on-time delivery, Marzouk Steel guarantees products that are both reliable and durable. Their expertise in structural and mechanical steel applications makes them a go-to choice for clients who demand consistent performance, corrosion resistance, and longevity in their piping solutions.
JIS G3456 carbon steel pipes are crafted in accordance with Japanese Industrial Standard specifications, designed for high-strength, low-alloy steel pipes that are perfect for structural and industrial uses. The chemical makeup includes carefully controlled levels of carbon, manganese, phosphorus, and sulfur, which contribute to outstanding mechanical properties and excellent weldability. These pipes boast impressive tensile and yield strength, good impact resistance, and adequate toughness, making them suitable for pressure-bearing and structural applications. They are typically available in either hot-finished or cold-finished forms, ensuring uniform dimensions and a high-quality surface.
| Standards | JIS G3456 Carbon Steel Pipe |
|---|---|
| JIS G3456 Carbon Steel Seamless Pipe Size | 4 to 219mm W. T.: 0.5 to 20mm |
| JIS G3456 Carbon Steel Welded Pipe Size | 5.0 mm – 1219.2 mm |
| JIS G3456 Carbon Steel EFW Pipe size | 5.0 mm – 1219.2 mm |
| JIS G3456 Carbon Steel Tube Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| JIS G3456 Carbon Steel Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| JIS G3456 Carbon Steel Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
| JIS G3456 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 G3456 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 |
| Grade | C | Si | Mn | P | S |
| JIS G3456 STPT370 | ≤ 0.25 | 0.10-0.35 | 0.30-0.90 | ≤ 0.035 | ≤ 0.035 |
| JIS G3456 STPT410 | ≤ 0.30 | 0.10-0.35 | 0.30-1.00 | ≤ 0.035 | ≤ 0.035 |
| JIS G3456 STPT480 | ≤ 0.33 | 0.10-0.35 | 0.30-1.00 | ≤ 0.035 | ≤ 0.035 |
| Grade | Tensile Property (N/mm2) | Yield Point or Yield Strength (N/mm2) | Elongation (%) | |||
| NO. 11 Sample; NO. 12 Sample | NO. 5 Sample | NO. 4 Sample | ||||
| Longitudinal | Transverse | Longitudinal | Transverse | |||
| JIS G3456 STPT370 | ≥ 370 | ≥ 215 | ≥ 30 | ≥ 25 | ≥ 28 | ≥ 23 |
| JIS G3456 STPT410 | ≥ 410 | ≥ 245 | ≥ 25 | ≥ 20 | ≥ 24 | ≥ 19 |
| JIS G3456 STPT480 | ≥ 480 | ≥ 275 | ≥ 25 | ≥ 20 | ≥ 22 | ≥ 17 |
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 one of the prominent manufacturers and suppliers of high-quality Carbon Steel JIS G3456 Pipe in Tunis, Tunisia. Being a company of premium steel material, we have a comprehensive product range in the form of Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our wide inventory list consists of Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. With commitments to time-to-market delivery and high quality of customer service, Marzouk Steel assures to deliver high-quality raw materials for better performance in any demanding industrial applications. Contact us today at Marzouk Steel to order all of your Carbon Steel JIS G3456 Pipe needs.
| Type | Allowable Deviation of Outer Diameter | Allowable Deviation of Wall Thickness | |||
| Hot-Working Seamless Steel Pipe | ＜50 mm | ± 0.5 mm | ＜ 4 mm ≥ 4mm | ± 0.5 mm ±12.5% | ≤ 20% of thickness |
| ≥ 50mm~＜160mm | ± 1% | ||||
| ≥ 160mm~≤ 200 mm | ± 1.6 mm | ||||
| ≥ 200 mm | ± 0.8% | ||||
| For ≥350 mm ones, we can measure according to the perimeters. Allowable deviation is ± 0.5%. | |||||
| Cold-Working Steel Seamless Pipe and Electric-Resistance Welded(ERW) Steel Pipe | ≤ 40 mm | ± 0.03 mm | ＜ 2 mm ≥ 2 mm | ± 0.2 mm ± 10 | |
Carbon steel JIS G3456 pipes find extensive use in various structural, mechanical, and industrial projects. You’ll often see them in building frameworks, scaffolding, bridges, automotive parts, pressure-bearing structures, and heavy machinery. They also play a vital role in the oil and gas, petrochemical, and general fabrication sectors. Thanks to their remarkable strength, durability, and weldability, JIS G3456 carbon steel pipes are the ideal choice for applications where reliability, long-lasting performance, and structural integrity are essential.
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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