Download the Latest Strut C Channel Specifications and Dimensions.
Heavy-Duty ASTM A572 Grade 50 Galvanized Strut Metal Steel C Channel / Purlin
Royal Steel Group Hot-Dip Galvanized C-Channel & Steel Purlin
Specification
Standard: ASTM A572 / A653
Grade 50 (Minimum yield strength: 345 MPa)
Core Advantages
• High strength Grade 50 steel helps lighten overall structure without compromising structural safety.
• Reliable corrosion resistance, with hot-dip galvanized coating compliant with ASTM A123 requirements.
• Fully customisable: CNC punching, cutting and bending services available according to your design drawings.
Typical Uses
Industrial warehouses, solar mounting frames and agricultural building structures.
| Key Features | Product Description |
| Premium Material | ASTM A572 Grade 50 C Channel with reliable quality |
| Surface Finish | Hot-dip galvanized treatment, outstanding weather resistance |
| Zinc Protection | Heavy zinc coating ranging 40–120 μm, suitable for harsh working environments |
| Dimensions | Custom fabricated C, U and Z channel profiles available |
| Wall Thickness | Wall thickness from 2.0mm to 6.0mm to match different load demands |
| Length Options | Standard 6m /12m container-friendly lengths, plus custom bespoke lengths |
| One-Stop Service | Precisely cut and pre-punched, delivered ready for on-site installation |
A572 Gr 50 Hot-Dip Galvanized Steel C Channel Chemical Composition & Mechanical Properties
Strut C Channel Chemical Composition
| Element | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Microalloying Elements |
| ASTM A572 Gr 50 | ≤ 0.23 | ≤ 1.35 | 0.15 – 0.40 | ≤ 0.040 | ≤ 0.050 | Trace (V, Nb) |
Strut C Channel Mechanical Property
| Yield Strength | Tensile Strength | Elongation |
| ≥ 345 MPa | 450 – 620 MPa | ≥ 18% |
Strut C Channel, also known as Unistrut steel channels, are extensively applied for electrical supports, cable tray assemblies, pipe hangers, solar mounting frames and industrial structural frameworks.
Listed below are the popular dimensions widely adopted in global construction and industrial projects.
| 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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Photovoltaic (PV) Mounting Systems
Our high-strength mounting rails deliver a stable, reliable base for solar panel arrays. Finished with premium hot-dip galvanisation, they sustain long service life under outdoor exposure.
Industrial & Commercial Steel Frames
These profiles work as purlins and girts, core structural components for prefabricated metal warehouses. They efficiently spread loads to ensure reliable structural performance for your metal building.
Secondary Structural Support
Adaptable framing solutions for roof and wall cladding. Functioning as secondary beams, these channels firmly hold metal panels and keep the building envelope stable and aligned.
Robust Agricultural Infrastructure
Ideal for greenhouses, livestock barns and farm storage sheds. The heavy zinc coating delivers dependable rust resistance against moisture and organic contaminants in rural operating environments.
Solar Mounting Structures
Industrial & Warehouse Structures
Roofing & Wall Support
Roofing & Wall Support
Loading Demands: Opt for ASTM A572 Grade 50 when higher load capacity is needed.
Working Environment: Hot-dip galvanized channels are recommended for coastal and tropical regions.
Application Scenarios: Suitable for cable tray frameworks, mounting racking and pipe support systems.
Dimensions & Wall Thickness: Selected according to actual span and weight bearing demands.
Our engineering team can assist you in picking the proper Strut C Channel to match your project, balancing structural safety and cost-effectiveness.
Royal Steel Group offers high-quality ASTM A572 Grade 50 Hot-dip Galvanized Steel C Channel. Designed for solar racking and steel building systems, our products boast strong load-bearing performance and durable anti-corrosion properties. Work with Royal Steel Group for consistent quality and efficient worldwide logistics.
Competitive Factory Rates
Stable and open pricing for bulk orders, project bids and long-term cooperation.
Solid Manufacturing Strength
Professional teams and advanced facilities guarantee uniform quality and on-time shipment of large orders.
Custom Processing Solutions
Custom sizes, thickness, punching, grooving and cutting services to meet your specifications.
Rich International Export Experience
Our C-profiles are exported globally and commonly used in PV mounting and steel structure projects.
Strict Quality Assurance
Full testing on dimensions, mechanical properties and galvanisation to satisfy industrial standards.
Export Packaging & Global Shipping
Sea-worthy packaging protects products throughout international container transportation.
Packaging Standards
Double-layer protection: waterproof woven bags plus moisture-proof paper. Galvanized products are covered with anti-scratch film. Products are sorted and bundled, marked with specs, quantities and moisture alerts to avoid damage.
Transportation Guarantee
Multiple logistics solutions are available. Cargo is firmly fixed with moisture and shock protection. Real-time shipment tracking ensures intact, timely delivery. We offer worldwide shipping and custom transport arrangements.
Delivery
Lead Time: 15–25 days after order confirmation
Transport: Sea, land, railway and container shipping for maximum loading utilization
Complete export documents provided
We have stable partnerships with MSK, MSC, COSCO and other carriers to build reliable logistics channels.
All procedures comply with ISO9001 standards, with full-process control ranging from packaging supplies procurement to transport scheduling.
Q1: Can sizes and specifications be adjusted upon request?
A: Sure. We can customise dimensions, wall thickness, punching, slotting, lengths and surface finishes to match your project requirements.
Q2: What applications are your products fit for?
A: Our steel sections are commonly adopted for solar mounting frameworks, industrial buildings, roof & wall cladding, railings and various infrastructure projects.
Q3: What is your production lead time?
A: Lead time varies with order volume. Generally, it takes 15–30 days.
Q4: Are you able to provide MTC documents?
A: Yes. We offer Material Test Certificates (MTC) and inspection reports, fully compliant with ASTM standards.
Q5: What is your minimum order quantity?
A: Standard MOQ is 20 tons. We welcome discussions for smaller trial orders.
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