What is Strut Channel (C Channel Steel)?
Strut channel is a standardized structural steel profile used for supporting mechanical, electrical, and HVAC systems.
It is widely known as:
- C Channel Steel
- U Channel Steel
- Unistrut Channel System
- Mounting Support Channel
In HVAC applications, it is commonly used to build air conditioner outdoor unit brackets for residential, commercial, and industrial buildings.
Product Structure
| Type | Brackets |
| Material | Metal, Q235B, Q235 |
| Surface | Galvanized, powder coating, or customize |
| Color | Slivery white |
| Yield strength | 60,000 psi minimum |
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| Material standard | ASTM standard |
| Keywords | Cantilever Brackets |
| Package | Bale + pallet packing |
| Outer Packing dimensions | 115x80x115 or Customized |
| Brand Name | accept customized |
| Usage | Air Conditioner Wall Support Bracket |
Air Conditioner Wall Support Bracket
| Length (mm) | Profile (mm) | Back Plate (mm) | Weight (kg/pc) |
|---|---|---|---|
| 200 | 30x30x3 | 230x40x5 | 0.9 |
| 250 | 30x30x3 | 230x40x5 | 1.0 |
| 300 | 30x30x3 | 230x40x5 | 1.1 |
| 350 | 30x30x3 | 230x40x5 | 1.2 |
| 400 | 30x30x3 | 230x40x5 | 1.3 |
| 450 | 30x30x3 | 230x40x5 | 1.4 |
| 500 | 30x30x3 | 230x40x5 | 1.4 |
| 600 | 30x30x3 | 230x40x5 | 1.6 |
| 800 | 30x30x3 | 400x40x5 | 2.6 |
| 1000 | 30x30x3 | 400x40x5 | 2.8 |
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Features
• Green, outdoor rail steel posts coated in baked enamel. Durable and rust-proof.
• Posts weigh 2 pounds per linear foot.
• Convenient, pre-drilled holes makes it easy to position the post and sign properly.
• Pre-drilled holes one inch on center to exactly match up with pre-drilled signs
• Tapered ends for easy installation
• Powder coating and galvanized treatments that outlast regular paint and offer added protection against rust and elements
Air Conditioner Mounting System
Application scenarios Of C Channel Steel
C Channel Steel is a versatile structural steel profile widely used in construction, mechanical installation, and energy infrastructure projects. Due to its high strength, easy assembly, and compatibility with standardized accessories, it has become a common solution for supporting, framing, and mounting systems in both indoor and outdoor environments. Its flexibility allows engineers and contractors to use it across different industries where stable yet adjustable structural support is required.
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Typical Applications:
Solar photovoltaic mounting systems
Air conditioner outdoor unit brackets
Building construction systems
Electrical installation systems
Mechanical and industrial equipment support
Ventilation and ducting systems
We support customized Zn-Al-Mg coating specifications based on project standards
and welcome inquiries for solar mounting applications.
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Common Grades and Standards
| Grade | Standard | Characteristics & Applications |
| DX51D+ZM | EN 10346 | Commercial grade, general forming, for construction and general use |
| DX52D+ZM | EN 10346 | Drawing grade, for medium forming requirements |
| DX53D+ZM | EN 10346 | Deep drawing grade, for complex forming |
| DX54D+ZM | EN 10346 | Extra deep drawing grade |
| S250GD+ZM | EN 10346 | Structural grade, 250MPa yield strength |
| S350GD+ZM | EN 10346 | Structural grade, 350MPa yield strength |
| S550GD+ZM | EN 10346 | High-strength structural grade, 550MPa yield strength |
| DC51D+ZM | Low carbon steel, for appliances and general fabrication |
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Coating Specifications
| Coating Designation | (g/m²) Coating Weight (Both Sides) | Typical Applications |
| ZM60 | 60 | General indoor use |
| ZM90 | 90 | Light industry, appliances |
| ZM120 | 120 | Construction, general use |
| ZM150 | 150 | Construction, outdoor structures |
| ZM180 | 180 | Highly corrosive environments |
| ZM200 | 200 | Harsh environments, coastal/industrial areas |
| ZM275 | 275 | Heavy corrosion environments |
| ZM350 | 350 | Special heavy corrosion requirements |
Processing Capabilities
1.Precision roll-forming production for stable C/U channel profiles with consistent dimensions
2.Automatic punching & slotting system for customized hole positions and installation flexibility
3.Hot-dip galvanizing line (80–275g/m²) for long-term outdoor corrosion protection
4.Material options available including Q235B, S350GD, DX51D, and other structural grades
5.Customized sizes and thickness based on project drawings and engineering requirements
6.Pre-assembly service for brackets and support systems to reduce on-site installation time
7.Strict quality inspection system covering dimensional accuracy, coating thickness, and load performance
We support OEM production for different sizes and thickness-send your inquiry now.
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FAQ
Q1: What Is Strut Channel Used For?
It is used for supporting HVAC, electrical, and mechanical systems, especially air conditioner outdoor units.
Q2: Is Galvanized Strut Channel Suitable For Outdoor Use?
Yes, hot-dip galvanized coating provides excellent corrosion resistance for outdoor environments.
Q3: What Is The Difference Between C Channel And Unistrut Channel?
Unistrut is a brand/system name, while C channel refers to the steel profile shape.
Q4: Can Strut Channel Be Used For Solar Mounting?
Yes, it can be used as auxiliary support in photovoltaic mounting systems.
Q5: What Coating Is Best For HVAC Outdoor Brackets?
Hot-dip galvanizing with 80–275g/m² zinc coating is most commonly used.
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