ASTM A123 Slotted Channel Manufacturer Galvanized Steel Strut Channel Profile

Short Description:

ASTM A123 Slotted Channel (Strut Channel) is a hot-dip galvanized steel support profile that conforms to the ASTM A123 galvanizing standard, offering excellent corrosion resistance and a long service life outdoors. The product features a uniform and strongly adhered zinc coating, making it suitable for high-humidity, coastal, chemical, and outdoor engineering environments.

Stangard: ASTM

Grade: ASTM A36 / A572 / A992 + ASTM A123 (Hot-Dip Galvanizing)

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

Send email to us WhatsApp

Product Detail

Product Tags

Product Detail

Item	Details
Product Name	ASTM A123 Hot-Dip Galvanized Slotted Channel
Standards	ASTM A36 / A572 / A992 + ASTM A123 (Hot-Dip Galvanizing)
Material	Carbon steel slotted channel with hot-dip galvanized coating
Standard Sizes	C2×2″ – C6×6″ (custom sizes available)
Installation Type	Rooftop, ground-mounted, single/double row, fixed or adjustable tilt systems
Applications	PV mounting systems, electrical & mechanical supports, cable trays, piping supports, industrial frameworks
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:

Size of slot and slot pitch can be made as per your drawing and installation demand.

The thickness is chosen according to the bearing capacity and the use: 2.0–4.0 mm for general building and photovoltaic (PV) module mounting application, and 4.0–6.0 mm for the heavy duty or industrial support systems.

Material: Carbon Steel with ASTM A123 hot-dip galvanized coating, thick zinc protective layer provides excellent corrosion resistance and long life service in outdoor, marine and severe environment.

ASTM Slotted C Channel Dimensions and Tolerances Comparison Table

Parameter	Typical Range / Size	Remarks
Width (B)	1.5 – 3.5 in (38 – 89 mm)	Standard C-channel flange widths
Height (H)	2 – 8 in (50 – 203 mm)	Channel web depth
Thickness (t)	3 – 11 mm (0.12 – 0.44 in)	Thicker = higher load capacity
Length (L)	6 m / 20 ft, cut-to-length	Custom length available
Flange Width	By section size	Depends on channel type
Web Thickness	By section size	Affects bending strength

ASTM Slotted C Channel Customized Content

Customization	Options	Description / Range	MOQ
Dimensions	B, H, t, L	Width 50–350 mm, Height 25–180 mm, Thickness 4–14 mm, Length 6–12 m	20 tons
Processing	Drilling, cutting, welding	Cut, beveled, grooved, or welded ends	20 tons
Surface	Galvanized, painted, powder coat	Chosen by environment & corrosion level	20 tons
Marking & Packing	Labels, export packing	Project info on labels, safe shipping	20 tons

Surface Finish

D1467BFE_76df7b2a-f3fd-4b6a-937a-da22c5c7ffcf (1)

Conventional Surfaces

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

Spray Paint Surface

Application

Gemini_Generated_Image_bn1msgbn1msgbn1m (1)

1.Rooftop and Commercial Applications
Ideal for solar panel, HVAC support and commercial building construction, provides a robust, corrosion resistant structural support.

2.Industrial & Heavy Duty Applications
Heavy duty pre-galvanized C channels applicable for machine frames, storage racks and heavy duty equipment beams.

3.Adjustable & Modular Solutions
Work with prefabricated panels, braces, and modular assemblies to allow for installation flexibility and simple alignment.

4.Use in Agriculture & Outdoors
Great for solar mounts, greenhouse, fences, and barn buildings – add strength and weather protection.

Our Advantages

Consistent Quality: High quality performance steel from China.

Mass Production capacity: Offer OEM/ODM, mass production, delivery on time.

Various product range : Steel Fabrications, Rails, Sheet piles, Channels, PV Brackets and more.

Reliable Supply: Welcome bulk and wholesale orders.

Trustworthy brand: The history of relied on brand in steel industry.

Professional Services: Experienced in manufactur and logistics.

Affordable: High-quality products at competitive prices.

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

Packaging & Shipping

PACKING

Protection: Bundles are covered by waterproof tarpaulin with 2–3 desiccant bags to prevent rust and dampness.

Strapping: Bundles of 2–3 tons are secured with 12–16 mm steel straps, suitable for all types of transportation.

Labeling: The English and Spanish labels specify the material, the ASTM standard, the size, the HS code, the batch number and the test report.

DELIVERY

Road Transport: Complete plastic or cardboard trays are packaged for local or at site road deliveries.

Rail Transport: Full railcars provide secure long-haul transportation.

Sea Freight: Containerized shipping bulk, dry, or open top by 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

Q1: What is ASTM C Channel?
A1: ASTM C Channel is precut galvanize or hot dip galvanize length, it is a c shaped steel profile with slot holes, widely used for structural purpose in building, mechanical and pv mounting structure system.

Q2: What kind of material can we supply for ASTM C Channels?
A2: Usually carbon steel (ASTM A36, A572, A992) with pre-galvanized or ASTMC123 hot-dip galvanized layer as surface treatment for rust prevention.

Q3: What are the sizes?
A3: Standard widths: 50–350 mm, heights: 25–180 mm, thickness: 4–14 mm, length 6-12 m. Nonstandard sizes can be produced as per project demand.

Q4: Can I change the size of the slots and the spacing between them?
A4: Yes, slot size and slot distance can be customised according to installation requirements and project drawings.