Factory Price ASTM A36 Hot-Dip Galvanized C Channel/Purlin for Solar Mounting Structure

Short Description:

Our ASTM A36 hot-dip galvanized C channel (C purlin) is made to be used for solar mounting structures and can provide you with high structural strength, good corrosion resistance and long service life under outdoor conditions.

Stangard: ASTM

Grade: A36

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

Surface: Hot-dipped galvanized

Place of Origin: China

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

Parameter	Specification / Details
Product Name	Hot Dip Galvanized Steel C Channel
Material	ASTM A36
Surface Treatment	Hot-Dip Galvanized (optional epoxy/powder coating)
Types	Standard / Perforated / Strut C Channel
Width	41–300 mm (customizable)
Thickness	2–10 mm
Length	1–6 m per section (customizable)
Features	High-strength, corrosion-resistant, modular, easy to install
Applications	Solar mounting, industrial support, construction frameworks, electrical channels
Brand	China Royal Steel

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A36 Hot-Dip Galvanized Steel C Channel Chemical Composition & Mechanical Properties

ASTM A36 Chemical Composition (%)

Element	Content (%)
Carbon (C)	≤ 0.25
Manganese (Mn)	0.80 – 1.20
Silicon (Si)	≤ 0.40
Phosphorus (P)	≤ 0.040
Sulfur (S)	≤ 0.050

ASTM A36 Mechanical Properties

Property	Value
Yield Strength	≥ 250 MPa
Tensile Strength	400 – 550 MPa
Elongation	≥ 2

A36 Hot-Dip Galvanized Steel C Channel Size

Size (H × B × t)	Height (H)	Flange (B)	Thickness (t)	Weight (kg/m)
C80 × 40 × 2.0	80	40	2.0	3.77
C100 × 50 × 2.0	100	50	2.0	4.71
C120 × 50 × 2.5	120	50	2.5	6.92
C140 × 60 × 2.5	140	60	2.5	8.31
C160 × 60 × 2.5	160	60	2.5	9.54
C180 × 70 × 3.0	180	70	3.0	13.50
C200 × 70 × 3.0	200	70	3.0	15.10
C220 × 75 × 3.0	220	75	3.0	16.90
C250 × 80 × 3.0	250	80	3.0	18.70
C300 × 90 × 3.5	300	90	3.5	26.20

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Surface Finish

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Common Surfaces

Hot-dip galvanizated c channel

Spray Paint c channel

Application

Solar Mounting Structures

They are used in PV systems as rails on which the solar panels rest. Strong, Durable, and Corrosion Protected.

Industrial & Warehouse Structures

Used as purlins and wall girts, to support roof and wall systems in steel buildings.

Roofing & Wall Support

Any project can use it as a beam to support a roof sheet and wall cladding.

Agricultural Structures

It can be seen in greenhouses, barns and other agricultural building, and in many cases the shed showed good outdoor durability.

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Solar Mounting Structures

Industrial & Warehouse Structures

Roofing & Wall Support

Agricultural Structures

Why Choose China Royal Steel

Factory Direct Supply: We manufacture galvanized ASTM A36 C channels directly from our factory, ensuring competitive pricing without middlemen.

Competitive & Stable Pricing: Benefit from consistent factory prices with cost advantages for bulk orders and long-term cooperation.

Customization Capability: We support customized sizes, thickness, punching, slotting, and surface treatments based on project requirements.

Global Export Experience: Our products are widely exported and used in solar mounting systems and steel structure projects worldwide.

Strict Quality Control: Each batch is inspected for dimensional accuracy, mechanical properties, and galvanized coating quality.

Professional Packaging & Delivery: Seaworthy packaging ensures safe transport, suitable for container shipping and international logistics.

Packaging & Shipping

Each C channel is securely packaged with waterproof wrapping and reinforced for shipment.
Suitable for global export, including containers and palletized shipments.
Delivery options: FOB, CIF, EXW.

FAQ

Q1: What material is used for your C channel?

A: Our C channels are mainly made from ASTM A36 carbon steel, and can also be produced with other grades such as A572 or A500 upon request.

Q2: What surface treatment do you offer?

A: We provide hot-dip galvanized (HDG), pre-galvanized (GI), and black (uncoated) finishes. Hot-dip galvanizing is the most common for outdoor and solar applications.

Q3: Can you customize the size and specifications?

A: Yes, we support full customization including dimensions, thickness, length, punching holes, slots, and surface coating according to your project drawings.

Q4: What is your minimum order quantity (MOQ)?

A: The MOQ is typically around 20 tons, but small trial orders can be discussed depending on requirements.

Q5: What standards do your products comply with?

A: Our products are manufactured in accordance with international standards issued by ASTM International, and can also meet EN or GB standards upon request.