Gnee Steel Group is a professional manufacturer and exporter of S355JR Channel Steel, supplying high-strength EN 10025 S355JR / S355J2 channel structural steel with premium galvanizing treatment for superior corrosion resistance.
S355JR Channel Steel
Designed for heavy-duty engineering applications, our galvanized S355JR channel steel combines excellent tensile strength, weldability, and long service life for modern construction projects worldwide.
Whether you need hot rolled channel steel, galvanized U channel steel, or custom fabricated structural sections, Gnee provides reliable one-stop solutions.
Technical Specifications of S355JR Channel Steel
We supply S355JR steel channel sections according to EN, ASTM, JIS, and GB standards to meet global project requirements.
| Item | Specification Details |
|---|---|
| Product Type | Hot Rolled / Galvanized Channel Steel (C Channel / U Channel) |
| Material Grade | S355JR, S355J2, S235JR |
| Equivalent Grade | ASTM A572 Gr50 / Q355B |
| Standard | EN 10025, ASTM A36/A572, JIS G3101, GB/T 700 |
| Zinc Coating | Z60 - Z275 g/m² |
| Surface Finish | Zero Spangle / Regular Spangle |
| Thickness | 1.0mm - 12.0mm |
| Length | 6m / 12m / Customized |
| Surface Treatment | Galvanized, Skin Passed, Chromated |
| Processing Service | Welding, Punching, Cutting, Bending |
| Delivery Time | 7–14 Days |
Why Choose Gnee S355JR Channel Steel?
1. Superior Corrosion Resistance
Our galvanized S355JR channel steel uses advanced hot-dip galvanizing technology with zinc coating up to Z275, delivering long-term rust protection in coastal, humid, and industrial environments.
This makes our S355JR structural channel steel ideal for outdoor frameworks, bridges, fencing systems, and infrastructure projects.
2. High Strength with Lower Weight
With a minimum yield strength of 355 MPa, S355JR Channel Steel offers better load-bearing capacity than standard mild steel such as Q235.
Benefits include:
- Reduced structural weight
- Lower transportation costs
- Higher engineering efficiency
- Stronger support systems
This makes EN 10025 S355JR channel steel the preferred material for modern steel structures.
3. Precision Zero Spangle Surface
Our Zero Spangle galvanized channel steel provides a smooth and uniform finish, making it perfect for:
- Powder coating
- Painting
- Decorative exposed structures
- Architectural steel frames
Better coating adhesion means longer-lasting appearance and lower maintenance costs.
4. One-Stop Fabrication Services
As an experienced S355JR channel steel supplier, Gnee provides complete value-added processing:
- CNC Punching
- Slotting / Hole Drilling
- Fixed Length Cutting
- Bending
- Welding
- Ready-to-install steel assemblies
This helps reduce on-site labor and installation time.
Quality Assurance for S355JR Channel Structural Steel
Every batch of S355JR steel channel is fully tested and traceable.
Available Certifications:
- ISO 9001
- CE Certification
- EN 10204 3.1 / 3.2 MTC
Third-Party Inspection Support:
- SGS
- BV
- TUV
- DNV
- LR
We support tensile tests, yield strength tests, coating thickness tests, and impact tests.
Applications of S355JR Channel Steel
Our S355JR galvanized channel steel is widely used in:
-
Construction Industry
- Steel buildings
- Roof supports
- Wall framing
- Warehouse structures
-
Infrastructure Projects
- Bridges
- Highway guard systems
- Communication towers
-
Manufacturing Sector
- Machinery chassis
- Container frames
- Equipment bases
-
Renewable Energy
- Solar mounting systems
- Offshore wind structures
Why Buy from Gnee Steel Group?
Global Steel Supply Chain Leader
With over 15 years of manufacturing and export experience, Gnee Steel supplies S355JR channel steel to customers in more than 120 countries.
Fast Delivery
Located near Shanghai and Tianjin ports, we ensure efficient worldwide shipment.
Professional Service
- 24/7 technical support
- Fast quotations
- Custom orders accepted
- Stable stock inventory
If you are looking for a trusted S355JR Channel Steel supplier, Gnee Steel Group offers premium quality, competitive prices, and fast delivery worldwide.
Contact us now for the latest quote, stock list, and custom fabrication service for EN 10025 S355JR galvanized channel steel.
Contact now to get S355JR Channel Steel Quote
What is the US equivalent of S355JR?
Both grades are often interchanged in international projects, but equivalence is not absolute. According to industry sources, A36 is frequently cited as the closest American equivalent to S235JR (a lower grade), while S355JR is more comparable to ASTM A572 Grade 50 due to higher strength.
What does S355JR mean?
Steel grade S355JR is used to manufacture hot-rolled flat and long products, which are subsequently used when producing steel building structures. Classification: Non-alloy structural steel. Products: Flat and long products, semi-finished products.
What is the difference between S355JR and A36?
EN 10025-2 S355JR and ASTM A36 are both fundamental structural steels, but they are not direct equivalents. S355JR offers significantly higher yield strength (355 MPa vs. 250 MPa) and guaranteed impact toughness, aligning it more closely with ASTM A572 Grade 50.
What is the ASTM equivalent of s335jr?
The most widely accepted and functionally equivalent ASTM equivalent to S355JR is ASTM A572 Grade 50. Both are high-strength, low-alloy (HSLA) structural steels used extensively in construction, bridges, and general fabrication.
What is the difference between S355JR and S355MC?
Strength level: S355JR steel usually has a minimum yield strength of 355MPa, and its tensile strength is 470-630MPa when the thickness is less than 16 mm. In comparison, S355MC steel has a higher yield strength, usually 355-510MPa, and a tensile strength of 430-550MPa.