Product Overview –S355JR+N Welded Pipes
S355JR+N Welded Pipes are premium high-strength structural steel pipes manufactured in the normalized (+N) condition, offering an ideal combination of strength, weldability, durability, and structural reliability. Produced in accordance with European structural steel standards, these welded pipes are widely used in commercial buildings, industrial facilities, bridges, fabrication projects, power plants, offshore structures, mining operations, and oil & gas industries where dependable mechanical performance is essential.
The "+N" designation indicates that the steel has been supplied in a normalized or normalized rolled condition improving grain refinement and ensuring more consistent mechanical properties throughout the pipe. Compared to standard structural grades, S355JR+N provides enhanced toughness, improved fabrication characteristics, and better performance under demanding operating conditions.
Buyers frequently search online using terms such as S355JR+N Welded Pipe supplier, S355JR+N steel pipe exporter UAE, EN structural steel welded pipe, S355JR+N pipe price, high-strength welded steel pipe, structural steel pipe supplier Saudi Arabia, and EN S355JR+N welded pipes.This page answers the most common technical and commercial questions while helping engineers, procurement teams, EPC contractors, and project consultants select the right material.
As a trusted supplier, exporter, and stockist of S355JR+N Welded Pipes,we serve customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, India, Africa, Europe, and Southeast Asia, delivering quality products, competitive pricing, and reliable logistics for industrial and infrastructure projects.
Material Specification -S355JR+N Welded Pipes
Technical Specifications –S355JR+N Welded Pipes
| Outside Diameter: | ½" NB to 48" NB |
| Wall Thickness: | SCH 10 to SCH XXS |
| Length: | Single Random, Double Random & Custom Length |
| Pipe Ends: | Plain End, Bevel End, Threaded |
| Delivery Condition: | +N (Normalized / Normalized Rolled) |
| Surface Finish: | Black, Bare, Painted, Galvanized, Epoxy Coated |
| Available Sizes: | ½", ¾", 1", 1¼", 1½" , 2" , 2½" , 3", 4", 5", 6", 8", 10", 12", 14", 16", 18", 20", 24" |
Custom lengths and project-specific sizes are available on request.
Third Party Inspection Available
All specifications are in accordance of EN 10219 / EN 10217 (as applicable) . Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition –S355JR+N Welded Pipes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.24% |
| Silicon (Si) | 0.55% |
| Phosphorus (P): | 0.035% |
| Manganese (Mn): | 1.60% |
| Sulfur (S): | 0.030 |
| Nitrogen (N) | 0.012% |
| Copper (Cu) | 0.55% |
Note: The balanced chemical composition provides excellent weldability, improved toughness after normalization, high structural integrity, and reliable long-term performance.
Mechanical Properties
| Property | Value (Min) |
|---|---|
| Yield Strength | 355 MPa |
| Tensile Strength | 470 - 630 MPa |
| Elongation | 20% |
| Impact Energy (KV) | Min. 27 Joules at +20°C |
Note :Mechanical properties may vary depending on dimensions and applicable EN standards. Complete Mill Test Certificates are supplied with every order.
Why Choose S355JR+N Welded Pipes?
Applications of S355JR+N Welded Pipes
Where S355JR+N Welded Pipes are used:
- 🔸Architectural Facades
- 🔸Outdoor Structural Columns
- 🔸Industrial Buildings
- 🔸Power Plant Structures
- 🔸Transmission Towers
- 🔸Railway Infrastructure
- 🔸Mining Equipment
- 🔸Industrial Pipelines
- 🔸Decorative Steel Projects
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Key Advantages of S355JR+N Welded Pipes
Best Alternatives to S355JR+N Welded Pipes
- This process provides:
- 🔸 Excellent structural performance
- 🔸 Superior weldability
- 🔸 High toughness
Best for:Heavy fabrication, infrastructure, industrial construction, and EPC projects.
- 🔸 Cost-effective structural steel
- 🔸 Excellent strength
- 🔸 Easy fabrication
Best for: General construction, commercial buildings, and industrial projects.
- 🔸 Structural hollow section grade
- 🔸 High yield strength
- 🔸 Excellent dimensional accuracy
Best for: Commercial buildings, bridges, warehouses, transmission towers, and structural steel frameworks.