Download the Latest Strut C Channel Specifications and Dimensions.
HDG/Galvanized Steel Unistrut 41×41 and 41×21 Channel/C Channel Steel Rail
Royal Steel Group Hot-Dip Galvanized C-Channel / Steel Purlin
Standard: ASTM A572 / A653 | Grade: 50 (345 MPa Yield Strength)
Key Features:
High Strength: Grade 50 steel reduces structural weight while maintaining safety.
Anti-Corrosion: HDG coating thickness meets ASTM A123 standards.
Customizable: CNC punching, cutting, and bending to your specific drawings.
Applications: Industrial warehouses, solar racks, and agricultural structures.
| Standard | ASTM | Place of Origin | Tianjin, China |
| Shape | U Channel | Brand Name | Royal |
| Tolerance | ±3% | Application | Supporting System |
| Perforated Or Not | Is Perforated | Product name | Struct Channel |
| Processing Service | Bending, Punching, Decoiling, Cutting | Size | 41x41mm; 41x21mm |
| Alloy Or Not | Non-Alloy | Material | A36,A572 |
| Delivery Time | 7 ~ 30 days | Surface treatment | Hot Dip Galvanised |
| Invoicing | By Actual Weight | Color | Silver White |
| Grade | Galvanized Steel | Certificates | ISO9000/CE/MTC |
Hot-Dip Galvanized Steel C Channel Chemical Composition & Mechanical Properties
Strut C Channel Chemical Composition
| Grade | C | Mn | P | S | Si | V |
| ASTM A36 | ≤0.26% | 0.60–0.90% | ≤0.040% | ≤0.050% | ≤0.40% | — |
| ASTM A572 Grade 50 | ≤0.23% | 0.50–1.50% | ≤0.030% | ≤0.030% | ≤0.40% | ≤0.15% |
Strut C Channel Mechanical Property
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
| ASTM A36 | ≥ 250 | 400 – 550 | ≥ 20 |
| ASTM A572 Grade 50 | ≥ 345 | 450 – 620 | ≥ 18 |
Strut C Channel (also known as Unistrut Channel / Steel Strut Channel) is common in electrical support, cable tray systems, pipe supports, solar mount structures, and industrial frameworks.
The following are the most common size used for international construction and industrial applications.
| Size (mm) | Width (mm) | Height (mm) | Thickness (mm) | Weight (kg/m) | Typical Application |
| 41 × 21 | 41 | 21 | 1.5 – 2.0 | 1.3 – 1.8 | Light electrical supports |
| 41 × 41 | 41 | 41 | 2.0 – 2.5 | 2.4 – 3.2 | Cable trays, conduit support |
| 41 × 62 | 41 | 62 | 2.0 – 2.5 | 3.0 – 3.8 | Medium structural supports |
| 41 × 82 | 41 | 82 | 2.5 – 3.0 | 3.8 – 4.8 | Pipe supports |
| 41 × 124 | 41 | 124 | 2.5 – 3.0 | 5.2 – 6.5 | Industrial frameworks |
| 41 × 152 | 41 | 152 | 3.0 – 4.0 | 6.8 – 8.5 | Heavy-duty equipment support |
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Solar Mounting Structures: Applicable to solar rack system and outdoor harsh environment, offers strong, anti-corrosion and stablest support to photovoltaic panel.
Industrial & Warehouse Structures: Commonly employed in storage spaces, production facilities, and commercial infrastructure, with good load bearing service for roof or structure.
Roofing & Wall Support: For use with purlins, bracing systems, cable trays, and pipe supports to improve overall structural stability and load bearing.
Agricultural Buildings: Used for agricultural structures, green houses, and farm buildings, perfect for commercial agriculture tow long term agricultural use.
Solar Mounting Structures
Industrial & Warehouse Structures
Roofing & Wall Support
Roofing & Wall Support
Load Requirements: Choose ASTM A36 or ASTM A572 Gr 50 for heavier loads.
Environmental Conditions: Hot-dip galvanized channels for coastal or tropical areas.
Application Type: Cable trays, racking, or pipe supports.
Size & Thickness: Determine based on span and weight requirements.
Our engineers can help select the right Strut C Channel for your project, ensuring structural safety and cost efficiency.
Royal Steel Group provides premium ASTM A572 Grade 50 Hot-Dip Galvanized C-Channels. Engineered for solar mounting and steel building systems, our products feature superior load capacity and long-term corrosion protection. Partner with Royal Steel Group for reliable quality and efficient global logistics.
1. Factory Price with Quality Assurance
We offer competitive and transparent factory pricing for bulk orders, project bidding, and long-term cooperation, ensuring cost efficiency without compromising quality.
2. Strong Production Capacity
With advanced equipment and experienced production teams, we ensure stable quality, high efficiency, and on-time delivery for large-volume orders.
3. Customized Processing Service
We provide full customization options including size, thickness, punching, slotting, cutting, and other fabrication requirements based on project needs.
4. Proven Global Export Experience
Our C-channel steel products are widely exported worldwide, especially for photovoltaic mounting systems and steel structure projects.
5. Strict Quality Control
All products undergo strict inspection on dimensional accuracy, mechanical properties, and galvanizing quality to meet international standards.
6. Professional Packaging & Logistics
We use export-standard packaging to ensure safe transportation for sea freight, air freight, and international logistics delivery.
We use export standard double-layer packaging in an outer waterproof woven bag and a layer of moisture proof paper, for coated products are covered with a scratch-resistant film. Each product is clearly labeled, packaged by specification, and includes quantity and handling information for safe storage and transportation. Suitable for sea freight, road, rail and container shipping, with safe loading, moisture-proof and shock-proof protection and complete logistic tracking to ensure a safe and timely delivery to you anywhere in the world. The delivery time is usually 15-25 days after confirmation of order.
We provide full export documentation and have extensive experience working with lines such as MSK, MSC, COSCO, etc to ensure steady and efficient logistics services. All procedures are tightly monitored under the quality management system of ISO9001 from the selection of packaging materials to the arrangement of transportation, which guarantees the stable quality and reliability of delivery all over the world.
Q1: Can sizes and specifications be customized?
A: Yes, size,thickness,punching,slotting,length and surface treatment etc can be customized based on your requirements.
Q2: Where can your products be used?
A: Our solar aluminum mounting systems are the perfect choice for residential and commercial applications including solar mounting system,industrial building,roof & wall system, railing and infrastructure project.
Q3: How long is your lead time?
A: Leadtime is dependent on the order quantity, generally 15~30 days.
Q4: Do you supply MTC?
A: Yes, we supply the MTC with inspection report according to ASTM etc. standards.
Q5: What is your MOQ for your products?
A: The minimum order quantity is 20 tons, trial order are negotiable.
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
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