Looking for more sizes of hot-dip galvanized C-channel steel.
ASTM A36 C Channel Steel C3×4.1 C6×8.2 American Standard C Shape Structural Channel
Product Detail
| Item | Description |
| Product Name | ASTM A36 C Channel Steel |
| Standard | ASTM A36 / ASTM A6 |
| Material Grade | ASTM A36 |
| Shape | C Shape / U Channel |
| Production Process | Hot Rolled |
| Surface | Black, Painted, Galvanized |
| Length | 6m, 9m, 12m or Customized |
| Thickness | Customized According to Requirement |
| Inspection | MTC, SGS, BV Available |
A36 Hot-Dip Galvanized Steel C Channel Chemical Composition & Mechanical Properties
Chemical Composition (ASTM A36 C Channel Steel)
| C | Mn | P | S | Cu | Fe |
| ≤0.26% | 0.80–1.20% | ≤0.040% | ≤0.050% | ≥0.20% (when specified) | Balance |
Mechanical Properties (ASTM A36 C Channel Steel)
| Yield Strength | Tensile Strength | Elongation (200mm) | Elongation (50mm) | Modulus of Elasticity | Density |
| ≥36 ksi (250 MPa) | 58–79 ksi (400–550 MPa) | ≥20% | ≥23% | 200 GPa | 7.85 g/cm³ |
A36 Hot-Dip Galvanized Steel C Channel Size
| Type (Size x Lbs per Ft.) | Depth of Section (in.) | Flange Width (in.) | Flange Thickness (in.) | Web Thickness (in.) |
| 3 x 4.1 | 3 | 1.41 | 0.273 | 0.17 |
| 3 x 5 | 3 | 1.498 | 0.273 | 0.258 |
| 3 x 6 | 3 | 1.596 | 0.273 | 0.356 |
| 4 x 5.4 | 4 | 1.58 | 0.296 | 0.184 |
| 4 x 7.25 | 4 | 1.721 | 0.296 | 0.321 |
| 5 x 6.7 | 5 | 1.75 | 0.32 | 0.19 |
| 5 x 9 | 5 | 1.885 | 0.32 | 0.325 |
| 6 x 8.2 | 6 | 1.92 | 0.343 | 0.2 |
| 6 x 10.5 | 6 | 2.034 | 0.343 | 0.314 |
| 6 x 13 | 6 | 2.157 | 0.343 | 0.437 |
| 7 x 9.8 | 7 | 2.09 | 0.366 | 0.21 |
| 7 x 14.75 | 7 | 2.299 | 0.366 | 0.419 |
| 8 x 11.5 | 8 | 2.26 | 0.39 | 0.22 |
| 8 x 13.75 | 8 | 2.343 | 0.39 | 0.303 |
| 8 x 18.75 | 8 | 2.527 | 0.39 | 0.487 |
| 9 x 13.4 | 9 | 2.433 | 0.413 | 0.233 |
| 10 x 15.3 | 10 | 2.6 | 0.436 | 0.24 |
| 10 x 20 | 10 | 2.739 | 0.436 | 0.379 |
| 10 x 25 | 10 | 2.886 | 0.436 | 0.526 |
| 10 x 30 | 10 | 3.033 | 0.436 | 0.673 |
| 12 x 20.7 | 12 | 2.942 | 0.501 | 0.282 |
| 12 x 25 | 12 | 3.047 | 0.501 | 0.387 |
| 15 x 33.9 | 15 | 3.4 | 0.65 | 0.4 |
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Application
Solar Mounting Structures: C Channel Steel is widely used as rails and support frames for photovoltaic (PV) solar mounting systems. Its high strength, durability, and corrosion resistance ensure long-term performance in outdoor environments.
Industrial & Warehouse Structures: Commonly used as roof purlins, wall girts, and structural framing in factories, warehouses, workshops, and industrial buildings, providing reliable support for roof and wall systems.
Roofing & Wall Support: Ideal for supporting roofing sheets, wall cladding, and secondary structural components, improving the stability and load-bearing capacity of steel building systems.
Agricultural Structure: Widely applied in greenhouses, barns, livestock shelters, storage sheds, and other agricultural buildings. Its excellent weather resistance and structural strength make it suitable for long-term outdoor use.
Machinery & Equipment Frames: Used in machinery bases, equipment supports, conveyor systems, and industrial platforms due to its excellent weldability and fabrication performance.
Infrastructure & Construction: Suitable for bridges, walkways, platforms, support brackets, and other civil engineering and infrastructure projects requiring durable structural steel components.
Why Choose Royal Steel Group
1.ASTM Standard Quality Assurance
We supply ASTM A36 C Channel Steel with reliable mechanical performance and complete quality documentation.
2.Wide Range of Sizes
Popular sizes such as C3×4.1, C4×5.4, C5×6.7, and C6×8.2 are available for global construction projects.
3.Professional Export Service
With extensive international steel export experience, we provide efficient documentation, logistics support, and project assistance.
4.Customized Solutions
From standard channels to customized fabrication, we support different engineering requirements.
5.Reliable Supply Capacity
Stable production resources ensure competitive pricing, consistent quality, and on-time delivery.
Packaging & Shipping
Royal Steel Group uses professional export packaging to ensure safe transportation:
1.Steel bundles secured with steel straps
2.Waterproof protection for sea transportation
3.Standard export markings
4.Customized packing according to customer requirements
Available trade terms:
FOB / CIF / CFR / DDP
FAQ
Q1. What is ASTM A36 C Channel Steel?
A: ASTM A36 C Channel Steel is a hot rolled structural steel channel made from ASTM A36 carbon steel, commonly used in construction and industrial structures.
Q2. What are C3×4.1 and C6×8.2 channels?
A: C3×4.1 and C6×8.2 are American Standard Channel designations. The number after "C" represents the channel depth, while the second number indicates the weight per foot.
Q3. Do you supply customized C Channel sizes?
A: Yes. Royal Steel Group can provide customized lengths, drilling, cutting, fabrication, and surface treatments according to project requirements.
Q4. What standards do your C Channels meet?
A: Our C Channel Steel can be supplied according to ASTM A36 and ASTM A6 standards, with MTC and third-party inspection available.
Q5. What are ASTM A36 C Channels used for?
A: They are widely used in steel buildings, warehouses, industrial frames, machinery supports, solar structures, and infrastructure projects.
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