High Quality ASTM Steel Structures Hot Dip Galvanized Steel Profiles 3 inch Slotted C Channel

Short Description:

Hot-dip galvanized slotted C channel is a durable, corrosion-resistant U-shaped steel channel with pre-punched slots for easy assembly and adjustable structural applications.

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	Slotted C Channel
Standard	ASTM A36 / ASTM A572 / ASTM A992
Material Options	Hot-rolled carbon steel / Hot-dip galvanized structural steel C Channel (ASTM A36)
Standard Sizes	C Channel profiles: C2×2″ – C6×6″ (custom sizes available)
Installation Type	Flat metal rooftop, ground mounted, single or 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

Height (H)	Flange Width (B)	Web Thickness (tw)	Flange Thickness (tf)	Weight (lb/ft)	Slot Type
2 in (50 mm)	1.5 – 2 in (38–51 mm)	0.12 – 0.19 in (3–4.8 mm)	0.16 – 0.25 in (4–6.4 mm)	3.5 – 5.2	Round / Elongated
3 in (76 mm)	1.5 – 2 in (38–51 mm)	0.14 – 0.19 in (3.5–4.8 mm)	0.19 – 0.25 in (4.8–6.4 mm)	3.8 – 5.5	Round / Elongated
4 in (100 mm)	1.75 – 2.5 in (45–64 mm)	0.16 – 0.25 in (4–6.4 mm)	0.22 – 0.31 in (5.5–8 mm)	6 – 9	Round / Elongated
6 in (152 mm)	2 – 3 in (51–76 mm)	0.19 – 0.31 in (4.8–8 mm)	0.25 – 0.38 in (6.4–9.7 mm)	9 – 15	Round / Elongated
8 in (203 mm)	2.5 – 3.5 in (64–89 mm)	0.25 – 0.44 in (6.4–11 mm)	0.31 – 0.50 in (8–12.7 mm)	14 – 22	Round / Elongated

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 support higher loads
Length (L)	20 ft / 6 m standard, cut-to-length available	±3/8 in (±10 mm)	Custom lengths can be requested
Flange Width	See section sizes	±1/16 in (±1.5 mm)	Depends on channel series and load requirements
Web Thickness	See section sizes	±0.01 in (±0.25 mm)	Critical for bending and load capacity

ASTM Slotted C Channel Customized Content

Customization Category	Options Available	Description / Range	Minimum Order Quantity (MOQ)
Dimension Customization	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 Customization	Drilling, Hole Cutting, End Machining, Prefabricated Welding	Ends can be cut, beveled, grooved, or welded; precision machining for special structural connections	20 tons
Surface Treatment Customization	Hot-Dip Galvanized, Painted, Powder Coating	Surface treatment selected based on environment, corrosion protection, and service life	20 tons
Marking & Packaging Customization	Custom Labels, Export Packaging, Shipping Method	Labels with project ID, standards, or specifications; packaging suitable for container or flatbed transport	20 tons

Surface Finish

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Conventional Surfaces

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

Spray Paint Surface

Application

1.Structural Support for Buildings – C Channel Frames
Great for home or business building frames, they have a solid, stable support for walls, roofs and mezzanines.

2.Industrial & Heavy-Duty Applications
High Strength C Channel: Heavy gauge C-Channel rack is rigid and durable, which can be designed for machinery frames, industrial racks, storage systems, etc.

3.Modular & Adjustable Structures
Suitable for adjustable braces, prefab panels, or modular assembly, providing flexibility and simple installation.

4.Agricultural & Outdoor Structures
C Channels are ideal for greenhouses, solar mounting support, fences, or livestock shelters - a smart combination of structural strength and environmental sustainability.

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Structural Support for Buildings

Industrial & Heavy-Duty Applications

Modular & Adjustable Structures

Agricultural & Outdoor Structures

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 wrapped with waterproof tarpaulin and include 2–3 desiccant bags to prevent moisture and rust.
Strapping: Bundles weighing 2–3 tons are secured with 12–16 mm steel straps, suitable for all transport types.
Labeling: Labels in English and Spanish indicate 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?
A: Hot dip galvanized carbon steel customized considering the project requirements and environment conditions.

Q:Can we custom made the design?
A: Yes, size, tilt angle, length, material, coating and type of foundation can be customized for roof top, ground mounted, or special projects.