Looking for more sizes of hot-dip galvanized C-channel steel.
ASTM A36 41×21 41×41 41×62 Hot Dip Galvanized Slotted Strut Channel
Product Overview
Royal Steel Group is a c channel steel strut channel supplier used for solar panel mounting systems, pv support brackets, and photovoltaic structure applications. Developed with a standard profile, the channel offers dependable structural support and enables flexible mounting and adjustment.
C channel can be finished pre-galvanized, hot dip galvanized, customized, it is good corrosion resistance indoor and outdoor use for solar work.
Product Detail
| Item | Details |
| Product Name | C Channel Steel |
| Type | Strut Channel / C Channel / Unistrut Channel |
| Size | 41 × 21 mm/41 × 41 mm/41 × 62 mm/41 × 82 mm |
| Material | Carbon Steel |
| Common Grades | A36 |
| Surface | HDG / Pre-Galvanized / Customized |
| Thickness | Customized |
| Length | Standard or Customized |
| Slot/Hole | Slotted or Plain |
| Application | Solar Mounting System, PV Support, Steel Structures |
| Processing | Cutting, Punching, Drilling, Galvanizing |
KEY FEATURES
1.Simple Installation
Slotted holes make it easier to align and adjust during assembly.
2.Flexible Connection
Channel nuts, brackets, clamps and other accessories can be attached at many different locations.
3.Rigid Structural Profile
The roll formed C-channel has excellent rigidity for racking and framing applications.
4.Modular System
Various channels and fittings can be mixed and matched to form bespoke support structures.
5.Customizable
The size, thickness, slot pattern, length, and surface finish can be customized as per the requirements of the project.
Hot-Dip Galvanized Steel C Channel Chemical Composition & Mechanical Properties
ASTM A36 Chemical Composition
| Standard | C | Mn | P | S | Si | Cu |
| ASTM A36 | ≤0.26% | — | ≤0.040% | ≤0.050% | ≤0.40% | ≥0.20%* |
Note:
* The manganese content of ASTM A36 varies depending on the product type, thickness, and manufacturing specifications; not all A36 products have a uniform maximum value.
** Copper content requirements generally apply to specified weathering/copper steel conditions; specific requirements should be based on purchasing standards and MTC.
ASTM A36 Mechanical Properties
| Standard | Yield Strength | Tensile Strength | Elongation | Elastic Modulus | Poisson's Ratio |
| ASTM A36 | ≥250 MPa (36 ksi) | 400–550 MPa (58–80 ksi) | ≥20% | ≈200 GPa | ≈0.26–0.30 |
Note: The specific chemical composition limits for A36 vary depending on the product form (plate, section, bar, etc.) and the applicable ASTM clauses. It is recommended to determine the final table according to the specific product standard and MTC to avoid directly applying the A36 composition of plate to formed channel steel.
Hot-Dip Galvanized Steel C Channel Size
| No. | Size | Thickness | Type | Surface Treatment | ||
| mm | inch | mm | Gauge | |||
| A | 41x21 | 1-5/8x13/16" | 1.0,1.2,1.5,2.0,2.5 | 20,19,17,14,13 | Slotted, Solid | GI,HDG,PC |
| B | 41x25 | 1-5/8x1" | 1.0,1.2,1.5,2.0,2.5 | 20,19,17,14,13 | Slotted, Solid | GI,HDG,PC |
| C | 41x41 | 1-5/8x1-5/8" | 1.0,1.2,1.5,2.0,2.5 | 20,19,17,14,13 | Slotted, Solid | GI,HDG,PC |
| D | 41x62 | 1-5/8x2-7/16" | 1.0,1.2,1.5,2.0,2.5 | 20,19,17,14,13 | Slotted, Solid | GI,HDG,PC |
| E | 41x82 | 1-5/8x3-1/4" | 1.0,1.2,1.5,2.0,2.5 | 20,19,17,14,13 | Slotted, Solid | GI,HDG,PC |
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Hot-Dip Galvanized Steel C Channel Manufacturing Process
1. Raw Material Selection
High-quality structural galvanized steel sheet is selected according to the required grade, thickness, coating designation, and mechanical properties.
2. Slitting
Steel coils are slit into suitable widths according to the required C channel dimensions.
3. Roll Forming
The strip passes through a series of forming rollers to gradually create the C-shaped cross-section while maintaining dimensional accuracy.
4. Punching and Cutting
Bolt holes, slots, service holes, and other openings can be punched according to drawings. The channel is then cut to the specified length.
5. Quality Inspection
Dimensions, thickness, straightness, surface condition, coating quality, and mechanical properties are checked according to the agreed specification.
6. Packing and Shipment
Finished C channels are bundled with steel straps and protected for international transportation.
Application
Electrical Systems: Applicable to a variety of surfaces including cable trays, conduits, electrical machinery, wiring bosses.
HVAC Systems: Designed to support ventilation ducts, air conditioning units, and piping.
Plumbing and Pipe Support: Adjustable pipe racks and support frames can be assembled with them.
Solar Mounting: Strut channels are also used in he solar mounting and support solutions.
Industrial Framing: For use in equipment frames, racks, platforms and modular support structures.
Custom Fabrication
Royal Steel Group can provide customized processing according to customer drawings.
Available services include:
1.Custom length cutting
2.Slot punching
3.Hole punching
4.Drilling
5.Welding
6.Surface treatment
7.Customized packaging
Standard lengths such as 6 m and 12 m are available, while customized lengths can be produced according to project requirements.
Why Choose Royal Steel Group
1.Solar Mounting Expertise – 41×41mm C Channel Steel for PV mounting system, solar panel holder, and structural work.
2.Flexible Customization - Customized thickness, length, slot patterns, hole spacing, and surface treatment, etc. are available upon drawings and project requirements.
3.Stringent Quality Control – All the order can be backed with MTC, inspection reports and third party inspection if needed.
4.Worldwide Export Experience – Royal Steel Group delivers the steel products and tailored solutions to your construction, solar, infrastructure, or industrial project, anywhere in the world.
5.Professional Service – Technical support, customized production, export packaging and efficient delivery are at your disposal for trouble-free project completion.
Packaging & Shipping
Royal Steel Group provides secure, export-standard packaging and flexible shipping solutions for Hot Dip Galvanized Slotted Strut Channels, helping ensure products arrive safely and in good condition.
Bundled Packaging: Strut channels are securely bundled with steel straps to prevent movement and deformation during transportation.
Protective Packing: Waterproof wrapping and protective materials can be added for long-distance and ocean shipping.
Customized Packaging: Packaging methods, bundle weight, labeling, and markings can be customized according to customer requirements.
Container Shipping: Suitable for regular and bulk orders, with optimized loading to maximize container space.
Bulk Shipping: Available for large-volume orders when economically suitable.
Export Documentation: Commercial invoice, packing list, MTC, and other required shipping documents can be provided.
Global Delivery: We arrange shipping to ports and destinations worldwide with professional logistics support.
FAQ
Q1: Is the strut channel available with slots?
A: Yes. Both slotted and plain versions are available. Slotted channels provide greater flexibility for positioning and adjustment during installation.
Q2: What thicknesses are available?
A: Common thicknesses include 1.5 mm, 2.0 mm and 2.5 mm, with other thicknesses available depending on the product and project requirements.
Q3: What lengths are available?
A: Common lengths include 6 m and 12 m, while custom-cut lengths can be supplied according to requirements.
Q4: Can you provide hot-dip galvanized strut channel?
A: Yes. Royal Steel Group supplies HDG, pre-galvanized and other surface-treated strut channels for different environments and applications.
Q5: Can I order custom strut channel?
A: Yes. Customers can specify size, thickness, slot pattern, material, surface treatment, length, quantity and packaging requirements for a customized quotation.










