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Galvanized Steel C Channel

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Galvanized C-channel steel is a lightweight structural section made from carbon steel with a protective zinc coating. It is widely used in construction, framing, storage systems, and light structural support applications. The hot-dip galvanizing process provides excellent corrosion resistance, making it suitable for both indoor and outdoor environments.
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Galvanized Steel C Channel

1. Product Overview 

C-channel steel is a cold-formed section steel with a cross-section shape resembling the letter "C", typically manufactured from carbon steel coils through cold roll-forming process. Its unique open-section design provides good strength and stiffness while maintaining light weight and easy installation. C-channel steel is widely used in building structures, machinery manufacturing, vehicle modification, and storage equipment, serving as an important component in modern light steel structures and support systems.

galvanized steel c channel details


2. Key Features

Lightweight & High Strength with Good Stiffness

C-channel steel features edge stiffening through cold-forming process, maintaining sufficient strength and stiffness while being lightweight. This design makes it ideal for light steel structures, capable of bearing certain loads while being easy to handle and install.

Keywords: lightweight C-channel, high strength light steel structure, excellent stiffness performance, edge stiffening design, convenient installation material


Standardized Dimensions & Flexible Compatibility

Manufactured according to national standards with uniform specifications and precise dimensions, perfectly compatible with various connectors and matching materials. Standardized hole positions and regular geometric shapes facilitate connections with other components, improving construction efficiency.

Keywords: standardized C-channel, precise dimension control, flexible component matching, quick connection system, modular design


Excellent Economy & Material Utilization

Compared to hot-rolled section steel, C-channel offers better cost-effectiveness with high material utilization and minimal waste. Its production process is energy-saving and environmentally friendly, allowing custom lengths to reduce on-site cutting and material loss.

Keywords: economical channel steel, high material utilization, energy-saving production, customized length, reduced material waste


Diverse Surface Treatments & Anti-corrosion Options

Various surface treatments available based on usage environment, including hot-dip galvanizing, pre-galvanizing, and painting. These treatments meet requirements in different corrosive environments, extending product service life.

Keywords: multi-surface treatment C-channel, galvanized anti-corrosion protection, good environmental adaptability, long service life, customized protection

galvanized c section steel in construction


3.Technical Parameters of C-Channel Steel

Parameter

Specification Range

Standard / Notes

Steel Grade

Q235, Q345, S350GD, S550GD

GB/T, EN

Channel Size

C80 - C380

Height 80mm - 380mm

Flange Width

40mm - 100mm

±1.5mm tolerance

Web Height

80mm - 380mm

±2.0mm tolerance

Thickness

1.2mm - 3.2mm

±0.1mm tolerance

Lip Length

15mm - 25mm

Curled edge length

Standard Length

6000mm - 12000mm

Custom lengths available

Tensile Strength

350 MPa - 550 MPa

ASTM A370

Yield Strength

235 MPa - 450 MPa

ASTM A370

Elongation

15% - 25%

in 50mm

Surface Treatment

Galvanized, Painted, Pre-galvanized

Custom available

Flatness

≤2mm/m

For web surface

Straightness

≤1.5mm/m

Total ≤10mm


4. Application Scenarios

Building Wall & Roof Purlins

Used as wall beams and roof purlins in light steel structure buildings, providing support for wall and roof panels. The lightweight characteristic reduces building load, while the regular section facilitates insulation material installation and decorative surface construction.


Machinery Equipment Frames & Supports

Used in frame structures, protective cover supports, and machine bases for various industrial equipment. Standardized dimensions facilitate equipment modular design, while good rigidity ensures operational stability.


Storage Racking & Logistics Equipment

Applied in racking beams and columns, as well as support systems for logistics conveyor lines. The regular inner cavity facilitates connector installation, while its strength meets load-bearing requirements for goods storage.

gi c channel in stock showing

5. FAQs

Q1: What is the difference between C-shaped channel steel and U-shaped channel steel?

A1: Main difference lies in edge design. C-channel has inward-curled edges enhancing sectional stiffness; U-channel has no curled edges with simpler section. C-channel generally offers better load capacity and stability than U-channel.


Q2: How to calculate the maximum span of C-shaped channel steel?

A2: Calculate based on specification size, material strength, load conditions, and support conditions. Usually refer to manufacturer's load tables or use professional structural calculation software. Important projects should be designed by professional engineers.


Q3: How to carry out anti-corrosion treatment on C-shaped channel steel?

A3: Select based on usage environment: galvanizing for general indoor use; hot-dip galvanizing for humid environments; dual protection with galvanizing plus painting for corrosive environments. Regular inspection and maintenance extend service life.

If you want to know more, please feel free to contact us.


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