Looking for high-quality S275JR Mild Steel Channel with Red Oxide finish for your construction or industrial projects? GNEE, a trusted steel manufacturer, provides premium S275JR channels with excellent weldability, machinability, and superior corrosion resistance.

S275JR Mild Steel Channel
Our stock and OEM production ensure your channels meet exact project specifications for building structures, mechanical equipment, and transportation applications.
Overview of S275JR Mild Steel Channel with Red Oxide Finish
The S275JR Mild Steel Channel is a C-shaped structural component designed for heavy-duty applications. Compared to standard mill-finished channels, the Red Oxide finish provides a protective coating, offering good corrosion resistance, which is ideal for outdoor or semi-exposed structures.
Key Features:
Grade: S275JR mild steel
Shape: Channel (C-shaped section)
Finish: Red Oxide (protective coating for corrosion resistance)
Maximum cut length: 6 metres
Excellent weldability and machinability
Poor formability (not easily bent or reshaped)
This makes the channel suitable for structural frameworks where durability, fabrication ease, and corrosion resistance are critical.
Dimensions and Mechanical Specifications
| Property | Specification |
|---|---|
| Material | Mild Steel |
| Grade | S275JR |
| Shape | Channel (C-shaped) |
| Height | 75 mm |
| Width | 150 mm |
| Thickness | 18 mm |
| Leg Thickness | 10 mm |
| Base Thickness | 5.5 mm |
| Weight per Metre | 18 Kg |
| Formability | Poor |
| Weldability | Excellent |
| Machinability | Excellent |
| Corrosion Resistance | Good |
| Finish | Red Oxide |
| Maximum Cut Length | 6 Metres |
This table provides a clear reference for engineers and procurement teams evaluating the channel for structural and mechanical applications.
Applications of S275JR Red Oxide Steel Channel
Construction & Structural Engineering:
Roof and roof components
Building frameworks and curtain walls
Outdoor walls and semi-exposed structural supports
Mechanical & Industrial Equipment:
Machine frames and industrial equipment
Fabricated supports for industrial refrigeration or automation
Transportation & Automotive:
Vehicle chassis components
Industrial assemblies requiring weldable, corrosion-resistant steel
GNEE ensures that every channel meets strict dimensional and mechanical standards, providing reliable performance in demanding environments.
Advantages of GNEE S275JR Channels
- Durable Material: S275JR grade mild steel with Red Oxide finish ensures corrosion protection
- Easy Fabrication: Excellent weldability and machinability for various project requirements
- Customizable Options: OEM production and cut-to-length available
- Fast Delivery: Ready stock ensures shipment within 7–25 days depending on order size
- Proven Export Experience: Over 5 years delivering to international markets
- Competitive Pricing: Cost-effective solutions for bulk and project-specific orders
For S275JR Mild Steel Channel with Red Oxide Finish, GNEE provides high-quality stock, fast delivery, and customizable solutions for construction, industrial, and transportation projects.
Ensure your structures use durable, weldable, and corrosion-resistant steel. Contact us for the latest S275JR Mild Steel Channel price list and secure your materials today.
Contact us for latest S275JR Mild Steel Channel 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.



















