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ASTM Standard A36 A572 Hot Dip Galvanized Steel Solar Panel C Struct Channel
Product Overview
ASTM Hot Dip Galvanized Steel C Structural Channel is made from high grade galvanized steel sheet. It has the structural strength of carbon steel with the added benefit of a zinc coating providing excellent corrosion resistance, allowing it to be used in building frames, roof systems, wall systems,industrial structures and equipment support applications.
The C channel steel can be customized made in various width, height, thickness, or length, and holes can be made as per drawings or engineering requirement. It can be used in standard construction applications or non-standard structural steel fabrications.
ASTM A653/A653M for galvanized steel sheet ASTM A653/A653M is the standard specification for hot-dip zinc-coated steel sheet including structural steel grades and several coating designations. ASTM A1003/A1003M - 18: Standard Specification for Metallic-Coated Steel Sheet for Cold-Formed Framing Members (such as purlins, girts, studs, joists, and tracks) .
Product Detail
| Item | Description |
| Product Name | Hot dip galvanized C Channel Steel |
| Standard | ASTM A6 |
| Material Grade | ASTM A36 A572 |
| 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
| 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.
Advantages of Hot-Dip Galvanized C Structural Channel
1.Durability for a Long Time
The zinc layer forms a protective film against humidity and atmospheric corrosion.
2.Reduced Maintenance Demand
For many typical outdoor environments, galvanized steel requires less surface maintenance than bare carbon steel.
3.Lightweight Structural Solution
Cold-formed C sections may be formed to produce an efficient structural profile while saving unnecessary steel.
4.Versatile Manufacturing
Various dimensions, lengths, holes, slots, lips and joints alternatives can be manufactured according to the project drawings.
5.Economical Building
Galvanized C channels are also ideal for budget-friendly building applications due to the low cost, ease of installation, and rust protection associated with them.
Application
Building Steel Structure Buildings: Galvanized C section is a high strength and anti-corrosion steel product, it is widely used as secondary framing member in steel structure building such as warehouse,workshop,factory,commercial building.
Roof Purlins: C-shaped steel sections are an economical solution for backing up roofing sheets and roof packages.
Wall Girts: They can be placed side by side vertically or horizontally between two beams, pillars or columns.
Solar Mounting Structures: Galvanized C section can be utilized as the structural and decking material for solar mounting systems.
Industrial Equipment Supports: They are ideal for equipment frames, cable supports, platforms and machinery.
Agricultural Buildings: The C-shaped steel channel is versatile and strong enough for wide applications. C channels are widely used in farming warehouses, granaries, livestock buildings, and other thin walled steel applications.
Why Choose Royal Steel Group
Royal Steel Group supplies galvanized C structural channels for international construction, industrial, infrastructure, and steel fabrication projects.
Our service includes:
1.ASTM-standard galvanized steel products
2.Customized C channel dimensions
3.Multiple galvanized coating options
4.OEM and drawing-based production
5.Strict dimensional and surface inspection
6.MTC and inspection documentation
7.Professional export packing
8.Global shipping support
Whether you need galvanized C purlins, C channels, structural framing members, roof purlins, wall girts, or customized cold-formed steel sections, we can provide products based on your drawings, load requirements, dimensions, and project standards.
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 a galvanized C structural channel?
A: Galvanized C structural channel is a C-shaped cold-formed steel section protected by a zinc coating. It is commonly used for purlins, girts, framing systems, supports, and lightweight structural applications.
Q2: What ASTM standard is used for galvanized C channels?
ASTM A653/A653M covers hot-dip galvanized steel sheet used as the base material, while ASTM A1003/A1003M covers metallic-coated steel sheet used to manufacture cold-formed framing members such as purlins and girts.
Q3: What galvanized coating should I choose?
A: G60 and G90 are common coating designations for structural applications, but the appropriate coating should be selected according to the project environment, required service life, design specification, and applicable standards.
Q4: Can C channels be punched with holes?
A: Yes. C channels can be supplied with pre-punched holes, slots, or customized connection holes according to engineering drawings.
Q5: Can you manufacture customized C channels?
A: Yes. Width, height, thickness, lip size, length, hole pattern, steel grade, and galvanized coating can be customized according to customer drawings and project requirements.
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