Product Overview – S275JR Pipes
S275JR Pipes are high-quality structural carbon steel pipes manufactured in accordance with EN 10025 condition. The normalizing process enhances the steel's grain structure, providing improved toughness, consistent mechanical properties, excellent weldability, and superior structural reliability for demanding engineering applications.
The "JR" designation indicates that the material has been impact tested at 20°C, ensuring dependable toughness for general structural applications. S275JR pipes are available in Seamless, ERW, EFW, and Welded forms with multiple diameters, wall thicknesses, and lengths to meet the requirements of EPC contractors, fabrication companies, engineering consultants, and industrial buyers.
As a trusted S275JR Pipes supplier, exporter, and stockist, we supply certified structural steel pipes to customers throughout the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, India, and international export markets, offering competitive pricing, complete traceability, EN 10204 3.1 certification, and fast worldwide delivery.
Standard & International Identification - S275JR Pipes
Technical Specifications – S275JR Pipes
| Outside Diameter: | 21.3 mm to 1219 mm |
| Wall Thickness: | 2 mm to 60 mm |
| Manufacturing: | Seamless, ERW, EFW & Welded |
| Length: | 3 M to 12 M |
| Pipe Ends: | Plain End, Bevel End, Threaded End |
| Surface Finish: | Black, Painted, Pickled, Anti-Corrosion Coated, Hot Dip Galvanized |
| Available Sizes: | ½" , ¾", 1", 1½", 2", 3", 4", 6", 8", 10", 12", 14", 16", 20", 24" |
Custom sizes and project-specific wall thicknesses are available upon request.
Third Party Inspection Available
All specifications are in accordance of EN 10025. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – S275JR Pipes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.21% |
| Manganese (Mn): | 1.50% |
| Silicon (Si): | 0.55% |
| Phosphorus (P): | 0.035% |
| Sulfur (S): | 0.035% |
| Nitrogen (N): | 0.012% |
Note: The balanced chemical composition of S275JR steel provides excellent weldability, good machinability, high structural integrity, and dependable mechanical performance for fabrication and engineering applications.
Mechanical Properties – S275JR Pipes
| Property | Minimum Value |
|---|---|
| Tensile Strength | 410-560 MPa |
| Yield Strength | 275 MPa |
| Elongation | 23% |
| Impact Energy | 27 Joules at +20°C |
Note :S275JR pipes offer an excellent combination of strength, ductility, and impact resistance, making them suitable for structural steel fabrication, industrial construction, machinery, bridges, and commercial engineering projects.
Why Choose S275JR Pipes?
Applications of S275JR Pipes
Where S275JR Pipes are used:
- 🔸Structural Steel Buildings
- 🔸Oil & Gas Processing Plants
- 🔸Power Generation Plants
- 🔸Hydraulic Systems
- 🔸Heavy Equipment Manufacturing
- 🔸Engineering Fabrication
- 🔸Renewable Energy Projects
- 🔸Engineering Fabrication
- 🔸Engineering Fabrication
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Key Advantages of S275JR Pipes
Best Alternatives to S275JR Pipes
1. S355JR Pipes (Higher Strength Alternative)
- This process provides:
- 🔸 Minimum yield strength of 355 MPa
- 🔸 Better load-bearing capacity
- 🔸 Excellent weldability
Best for: Heavy structural fabrication, bridges, industrial plants, and high-load engineering projects.
2. S275JOH Pipes
- 🔸 Structural hollow section grade
- 🔸 Impact tested at 0°C
- 🔸 Suitable for round, square, and rectangular hollow sections
Best for: Steel structures, warehouses, commercial buildings, and infrastructure projects.
3. ST52-2 Pipes
- 🔸 High-strength engineering steel
- 🔸 Excellent machinability
- 🔸 Good pressure resistance
Best for: Mechanical engineering, hydraulic cylinders, industrial machinery, and heavy fabrication.