GNEE Steel provides S275JR UPN Channels with excellent strength, durability, and superior weldability. With our large stock inventory, we can ensure rapid shipment for construction, infrastructure, automotive, and industrial projects.
S275JR UPN Channels
S275JR UPN Channel Steel – Stock Dimensions
UPN channels are tapered flange U channels, different from UPE channels with parallel flanges. Our S275JR UPN stock includes a wide range of standard sizes:
| UPN Size | Dimensions (mm) |
|---|---|
| UPN 30 | 30×33×5×7 |
| UPN 40*20 | 40×20×5×5.5 |
| UPN 40 | 40×35×5×3.5 |
| UPN 50 | 50×38×5×7 |
| UPN 65 | 65×42×5.5×7.5 |
| UPN 80 | 80×45×6×8 |
| UPN 100 | 100×50×6×8.5 |
| UPN 120 | 120×55×7×9 |
| UPN 140 | 140×60×7×10 |
| UPN 160 | 160×65×7.5×10.5 |
| UPN 180 | 180×70×8×11 |
| UPN 200 | 200×75×8.5×11.5 |
| UPN 220 | 220×80×9×12.5 |
| UPN 240 | 240×85×9.5×13 |
| UPN 260 | 260×90×10×14 |
| UPN 280 | 280×95×10×15 |
| UPN 300 | 300×100×10×16 |
| UPN 320 | 320×100×14×17.5 |
| UPN 350 | 350×100×14×16 |
| UPN 380 | 380×102×13.5×16 |
| UPN 400 | 400×110×14×18 |
S275JR UPN Channel – Mechanical Properties & Material Data
| Property | Value |
|---|---|
| Material | S275JR Mild Steel |
| Density | 7.85 kg/m³ |
| Min Yield Strength | 275 MPa |
| Tensile Strength | 430–580 MPa |
| Standard Compliance | EN 10034 |
Chemical Composition
| C (%) | Mn (%) | P (%) | S (%) | Cu (%) |
|---|---|---|---|---|
| ≤0.21 | ≤1.50 | ≤0.035 | ≤0.035 | ≤0.55 |
Key Features of S275JR UPN Channels
- High Strength & Durability: Perfect for structural applications such as building frameworks, bridges, and heavy machinery supports.
- Excellent Weldability & Formability: Tapered flange design allows easy welding and integration into complex structures.
- Corrosion Resistance: Can withstand outdoor conditions with proper surface treatment.
- European Standard Compliance: Meets EN 10034, guaranteeing global quality standards.
- Cost-Effective & Versatile: Wide range of stock sizes reduces lead time and project costs.
- Customization Available: OEM solutions available based on drawings and project requirements.
Applications of S275JR UPN Channel Steel
Construction & Infrastructure
Building frameworks, floors, walls, and ceilings.
Bridges and large-scale civil engineering projects.
Automotive & Transportation
Vehicle frames and trailer components requiring dynamic load capacity.
Energy & Industrial
Support structures for solar panels, wind turbines, and industrial machinery.
Commercial & Public Sector
Racks, shelving, signage, and lighting supports.
Water treatment plants and storage facility frameworks.
S275JR UPN Channel Steel from GNEE ensures high performance, long service life, and compliance with international standards. Whether for construction, automotive, energy, or industrial applications, our channels offer unmatched reliability.
Contact us for the latest S275JR UPN Channel Steel price list and secure premium steel directly from a trusted manufacturer.
Contact us for the latest S275JR UPN Channel Steel price list
What is S275JR grade steel?
S275JR grade steel is a readily weldable low carbon manganese steel with good impact resistance. This material is commonly supplied in the untreated or normalised condition. Machinability of this material is similar to that of mild steel.
What is S275JR steel equivalent to?
1 (American Welding Society) permits S275JR as an equivalent to A36 for welding purposes, and they are frequently interchanged in international projects. However, they are not identical: Standards: A36 is governed by ASTM (American), while S275JR follows EN (European), leading to differences in testing requirements.
What type of material is S235JR?
S235JR steel is a low-carbon structural alloy valued for its machinability, strength, and versatility. Perfect for complex components with tight tolerances, it is widely used in CNC machining for mechanical, structural, and industrial applications.
Are A36 and S275JR the same?
Both yield strength and tensile strength of S275JR carbon steel is higher than that of mild steel ASTM A36. So S275JR carbon steel can bear heavier load than mild steel ASTM A36. In other word, mild steel ASTM A36 is not equivalent to S275JR carbon steel.
What is the difference between S235JR and S275JR?
S235JR is used in less demanding applications, such as general construction, lightweight structures, and components where lower strength is sufficient (e.g., beams, columns, and frames). S275JR is preferred for applications requiring higher strength, such as heavier structural components, bridges, or machinery parts.