Factory Direct Price Pre-Galvanized Slotted C Channel Steel 41×41 / 41×21 Strut Channel Systems

Short Description:

Slotted C Channel is C channel steel with pre-punched slots and can be used in a variety of applications including support for pipelines, cables, and equipment that enables fast installation and layout flexibility.

Stangard: ASTM

Grade: A36

Shape: C

Length: 3m/6m/customized 10ft/19ft/customized

Surface: Hot-dipped galvanized

Place of Origin: China

Application: in support system

Delivery period: 10- 25 working days

Payment Terms: T/T,Western Union

Quality Certification: ISO 9001, SGS/BV Third-Party Inspection Report

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Product Detail

Product Tags

Product Detail

Item	Details
Product Name	Pre-Galvanized Slotted C Channel
Standards	ASTM A36 / A572 / A992
Material	Pre-galvanized carbon steel C Channel
Standard Sizes	C2×2″ – C6×6″ (custom sizes available)
Installation Type	Flat rooftops, ground-mounted, single/double row, fixed or adjustable tilt
Applications	Rooftop, commercial & industrial, ground mount, inverter stations, agricultural PV systems
Delivery Period	10–25 working days

ASTM Slotted C Channel Size

Model / Size	Width (B)	Height (H)	Thickness (t)	Standard Length (L)	Remarks
C2×2	2″ / 50 mm	2″ / 50 mm	0.12–0.25 in / 3–6 mm	20 ft / 6 m	Light duty
C2×4	2″ / 50 mm	4″ / 100 mm	0.12–0.31 in / 3–8 mm	20 ft / 6 m	Medium duty
C2×6	2″ / 50 mm	6″ / 150 mm	0.12–0.44 in / 3–11 mm	20 ft / 6 m	Heavy duty
C3×3	3″ / 75 mm	3″ / 75 mm	0.12–0.31 in / 3–8 mm	20 ft / 6 m	Standard
C3×6	3″ / 75 mm	6″ / 150 mm	0.12–0.44 in / 3–11 mm	20 ft / 6 m	Heavy duty
C4×4	4″ / 100 mm	4″ / 100 mm	0.12–0.44 in / 3–11 mm	20 ft / 6 m	Standard
C5×5	5″ / 125 mm	5″ / 125 mm	0.12–0.44 in / 3–11 mm	20 ft / 6 m	Standard
C6×6	6″ / 150 mm	6″ / 150 mm	0.12–0.44 in / 3–11 mm	20 ft / 6 m	Heavy duty

Notes:

**Slot Size and Slot Pitch** can be customized to meet client project requirements.

**Thickness** is selected based on load-bearing capacity and installation type: 1.5–3mm for roof/ground installations, and 3–6mm for heavy-duty or industrial projects.

Material: Pre-Galvanized Carbon Steel, providing corrosion resistance and suitable for various indoor and outdoor environments.

ASTM Slotted C Channel Dimensions and Tolerances Comparison Table

Parameter	Typical Range / Size	ASTM Tolerance	Remarks
Width (B)	1.5 – 3.5 in (38 – 89 mm)	±1/16 in (±1.5 mm)	Standard C-channel flange widths
Height (H)	2 – 8 in (50 – 203 mm)	±1/16 in (±1.5 mm)	Web depth of the channel
Thickness (t)	0.12 – 0.44 in (3 – 11 mm)	±0.01 in (±0.25 mm)	Thicker channels carry higher loads
Length (L)	20 ft / 6 m standard, cut-to-length available	±3/8 in (±10 mm)	Custom lengths on request
Flange Width	See section sizes	±1/16 in (±1.5 mm)	Varies by channel series and load
Web Thickness	See section sizes	±0.01 in (±0.25 mm)	Key for bending strength

ASTM Slotted C Channel Customized Content

Customization Category	Options	Description / Range	MOQ
Dimension	Width (B), Height (H), Thickness (t), Length (L)	Width 50–350 mm, Height 25–180 mm, Thickness 4–14 mm, Length 6–12 m, customizable per project	20 tons
Processing	Drilling, Hole Cutting, End Machining, Prefab Welding	Ends can be cut, beveled, grooved, or welded; precision machining for special connections	20 tons
Surface Treatment	Hot-Dip Galvanized, Painted, Powder Coating	Selected for environment, corrosion resistance, and service life	20 tons
Marking & Packaging	Custom Labels, Export Packaging, Shipping Method	Project ID, standards, or specs on labels; container or flatbed suitable packaging	20 tons

Surface Finish

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Conventional Surfaces

Hot-dip galvanizated (≥ 80–120 μm) Surface

Spray Paint Surface

Application

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1.Toroftop & Commercial Installations
Ideal for rooftop solar systems, HVAC supports or commercial building grids, solid, rust-free structural support.

2.Commercial & Heavy-Duty Applications
Pre-galvanized high strength C channel for machine frames, industrial racks, storage systems and heavy duty equipment racks.

3.Configurable & Adjustable Solutions
Best for use with prefab panels, Adjustable Braces or Modular assemblies for a customizable install that allows for easy alignment.

4.Farming & Open Air Uses
Great for solar mounting systems, greenhouses, fences and farmirasters, double strength and weather resistant.

Our Advantages

Reliable Source: High quality steel made in china with stable performaion.

Strong Production Capacity: OEM/ODM service, mass production and delivery on time.

Wide Variety: Steel fabrications, rails, sheet piles, channel, PV brackets and so on.

Steady Supply: Welcome to place bulk and wholesale orders.

Trusted Brand: A proven track record in the steel industry.

Service Expertise: Manufacture and logistics services.

Value for money: high quality with competitive price.

*Send the email to [email protected] to get a quotation for your projects

Packaging & Shipping

PACKING

Protection: Bundles are covered with waterproof tarpaulin and include 2–3 desiccant bags to prevent moisture and corrosion.

Strapping: 2–3 ton bundles are secured with 12–16 mm steel straps, suitable for all transport methods.

Labeling: Labels in English and Spanish show material, ASTM standard, size, HS code, batch number, and test report.

DELIVERY

Road Transport: Secure, non-slip packaging for short-distance or on-site delivery.
Rail Transport: Entire rail cars used for safe long-distance shipment.
Sea Freight: Containerized shipping—bulk, dry, or open-top—depending on destination.

US Market Delivery: ASTM C Channel for the Americas are bundled with steel straps and the ends are protected, with an optional anti-rust treatment for the transit.

FAQ

Q:What are the materials?

Q: What materials are used?
A: Hot-dip galvanized carbon steel, customized according to project needs and environmental conditions.

Q: Can the design be customized?
A: Yes, size, tilt angle, length, material, coating, and foundation type can all be tailored for rooftop, ground-mounted, or special projects