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ASTM A36 C Channel Steel - Mill Direct Structural Supplier

Hongji Profiles Co., Ltd.
Verified Custom manufacturer · 5 yrs · CN China
Customizable Rock-bottom price
$520 1-49 ton Base price
$497 50-99 ton 4.4% off
$486 ≥100 ton 6.5% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 520.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Technical Specifications of ASTM A36 C Channel Steel

PropertyParameterDescription
Product NameASTM A36 C Channel SteelHot-rolled structural C channel (American standard channel)
Material GradeA36Equivalent to EN S275JR, JIS SS400, GB Q235B
Standard ComplianceASTM A36 / A36MStandard specification for carbon structural steel
Carbon (C)≤ 0.26%Maximum carbon content per ASTM A36
Manganese (Mn)0.60 – 0.90%Enhances strength and hardenability
Phosphorus (P)≤ 0.04%Controlled to ensure weldability
Sulfur (S)≤ 0.05%Controlled to prevent hot shortness
Silicon (Si)0.15 – 0.40%Deoxidizer, improves strength
Tensile Strength400 – 550 MPa (58 – 80 ksi)Per ASTM A36 Section 6
Yield Strength≥ 250 MPa (36 ksi)Minimum yield point per ASTM A36
Elongation≥ 20% (200 mm gauge)Indicates excellent ductility and formability
Size RangeC3×4.1 – C15×50Web height 76 – 381 mm; flange width 35 – 94 mm; length 6 m / 12 m or custom
Surface FinishBlack / Hot-dip Galvanized / PaintedOptional anti-corrosion treatment available
ApplicationBuilding frames, bridges, machinery supports, purlinsWidely used in structural and general engineering construction
CertificationMill Test Certificate EN 10204 3.1ISO 9001, SGS, BV third-party inspection available
PackagingBundled with steel strips, waterproof paper wrappedSeaworthy packaging for export; tag marked per bundle
MOQ5 Metric TonsSmaller quantities negotiable for trial orders

ASTM A36 C Channel Steel - Mill Direct Structural Supplier

ASTM A36 C channel steel remains one of the most versatile and widely specified structural profiles in the construction and fabrication industries. As a mill-direct supplier, we deliver premium grade A36 C channels with full material traceability, competitive mill-direct rates, and reliable lead times for projects of every scale. Whether you are engineering building frameworks, constructing equipment supports, or fabricating industrial platforms, ASTM A36 C channel steel provides the ideal combination of strength, weldability, and cost efficiency. Our inventory covers a comprehensive range of standard sizes from C3×4.1 through C15×50, all manufactured in strict compliance with ASTM A36/A36M specifications. With decades of experience serving structural steel markets worldwide, we understand the critical importance of dimensional accuracy, consistent mechanical properties, and on-time delivery to keep your projects on schedule and within budget.

What Is ASTM A36 C Channel Steel?

ASTM A36 C channel steel is a hot-rolled structural carbon steel profile featuring a C-shaped cross-section with a web and two flanges that taper slightly inward. Designated under ASTM A36/A36M — the most commonly referenced standard for structural carbon steel — this channel profile offers a minimum yield strength of 250 MPa (36 ksi) and a tensile strength range of 400–550 MPa (58–80 ksi). The C channel geometry provides excellent load-bearing capacity along its web axis while remaining lightweight compared to wide-flange beams, making it an economical choice for bracing, framing, purlins, and support structures. A36 grade steel contains a maximum carbon content of 0.26% and a manganese content of 0.60%–0.90%, ensuring superior weldability and machinability without the need for preheating in most applications.

ASTM A36 C Channel Steel supplier

ASTM A36 C Channel Steel Technical Specifications

Our A36 C channel steel is produced in full compliance with ASTM A36/A36M and dimensional tolerances per ASTM A6/A6M. Below are the key mechanical and chemical properties along with standard available sizes:

PropertyValue
StandardASTM A36/A36M
Yield Strength (min.)250 MPa (36 ksi)
Tensile Strength400–550 MPa (58–80 ksi)
Elongation (200 mm gauge, min.)20%
Density7.85 g/cm³ at 20°C
Carbon Content (max.)0.26%
Manganese Content0.60%–0.90%
Available SizesC3×4.1 to C15×50
Standard Lengths6 m, 9 m, 12 m (custom lengths available)
Surface FinishHot-rolled black, galvanized, or painted per request

All material ships with mill test certificates (MTC) per EN 10204 3.1, verifying chemical composition and mechanical properties for full project compliance and traceability.

Key Applications of A36 C Channel Structural Steel

ASTM A36 C channels serve critical roles across diverse industries due to their reliable performance and adaptability. Common applications include structural building frames, mezzanine supports, stair stringers, trailer and truck bed framing, conveyor system supports, solar panel mounting structures, and general fabrication brackets. The profile's tapered flanges allow for efficient bolted and welded connections, while the A36 grade's excellent ductility — with a minimum elongation of 20% — ensures dependable performance under both static and dynamic loading conditions.

Get a Competitive Quote for ASTM A36 C Channel Steel

Partner with a trusted mill-direct supplier for your structural steel needs. We offer cost-effective pricing, fast turnaround, and expert guidance to help you select the right C channel sizes and quantities for your project requirements.

ASTM A36 C Channel Steel manufacturer

  • 24/7 customer support available
  • Free samples for quality evaluation
  • Competitive pricing for bulk orders
  • Professional technical consultation

Contact us today to get your free quote within 24 hours!

ASTM A36 C Channel Steel factory

Ratings & Reviews

4.5
Based on 8 reviews
5 5
4 2
3 1
2 0
1 0
User
Rajesh Patel
India
2024-12-27
Minor Documentation Delay but Resolved Professionally
We ordered 45 tonnes of C10×20 and C12×25 A36 channels for a building frame project in Gujarat. Steel quality was fine — yield strength confirmed at 258 MPa and dimensions were within ASTM A6 tolerances. However, the original MTCs had a clerical error on one heat number which caused a brief hold at customs. Their team corrected and re-issued the certificates within 48 hours and followed up until clearance was complete. Issue resolved, material performed well on site.
User
Michael Torres
United States
2025-01-18
Decent Product, Competitive on Price
Bought C7×9.8 and C9×13.4 channels for fabrication brackets and equipment supports at our facility in Texas. Around 18 tonnes. The A36 grade machined and welded without any issues — carbon at 0.23% per the cert. Pricing was about 8-10% below what we were paying our domestic distributor for equivalent material. Lead time was a bit longer than initially quoted by about five days, but they communicated the delay proactively. Material itself was good quality.
User
David Morrison
Australia
2025-02-10
Good Value for 25-Tonne C Channel Order
Ordered 25 tonnes of C6×10.5 A36 channels in 12m lengths for trailer bed framing. Material quality was solid — mechanical properties matched the MTCs and hot-rolled finish was acceptable. Pricing was competitive compared to local Australian suppliers. Only minor point: packaging could have been slightly better as a few bundles shifted during ocean transit, though no actual damage to the steel. Overall good value and would consider ordering again for our next batch.
User
Ahmed Al-Rashidi
UAE
2025-03-15
Third Order This Year — Consistently Reliable
This is our third purchase of A36 C channels in 2025. We've now ordered C8×11.5, C10×15.3, and C15×33.9 across multiple projects including equipment platforms and structural bracing for an industrial facility in Abu Dhabi. Every shipment has been consistent in quality and on schedule. The 400–550 MPa tensile range holds true on all MTCs we've reviewed. Pricing remains competitive even with CIF delivery to Jebel Ali. They've earned our repeat business.
User
Sarah Jennings
United Kingdom
2025-04-06
Great Technical Support and Fast Turnaround
Needed C12×20.7 channels urgently for stair stringers on a commercial fit-out in London. Their technical team responded within hours, confirmed stock availability, and we had material on site in under three weeks. The channels were straight, clean, and met all ASTM A36 mechanical requirements. Carbon content on the MTC showed 0.21% which gave us excellent weldability without preheating. Customer service was responsive throughout — rare in this industry.
User
Klaus Bergmann
Germany
2025-04-28
Reliable A36 C Channels for Solar Mounting Structures
We sourced C4×5.4 and C5×6.7 channels galvanized finish for a 12 MW solar farm mounting system. Ordered approximately 80 tonnes with custom 6.5m cut lengths. Galvanizing was uniform and coating thickness met our specs. The A36 grade's 20% minimum elongation gave us confidence for wind load resistance in the design. Full traceability documentation was included. Shipping to Hamburg was well-organized with proper bundling. Very professional supplier.
User
Robert Caldwell
United States
2025-05-20
Mill-Direct Pricing Saved Us Significantly on Bulk Order
Purchased C6×8.2 and C8×11.5 A36 channels for conveyor support frames across two manufacturing plants in Ohio. Roughly 52 tonnes total. The mill-direct pricing was noticeably lower than our previous distributor, and the material quality was actually better — clean hot-rolled finish, no excessive mill scale. MTCs were provided for every heat number. Technical team helped us confirm the right section modulus for our load calculations. Genuinely impressed with the service level.
User
James Whitfield
United Kingdom
2025-06-05
Consistent Quality on C10×25 Channels for Mezzanine Project
We ordered 38 tonnes of ASTM A36 C10×25 channels in 9m lengths for a warehouse mezzanine build in Manchester. Every piece arrived with EN 10204 3.1 mill certs and dimensional accuracy was spot on per ASTM A6 tolerances. Yield strength tested above 260 MPa on our independent checks. Weldability was excellent — our fabricators had zero issues with fillet welds on the flange connections. Delivery hit our site exactly on the confirmed date. Will absolutely be specifying these again for upcoming projects.

Know your supplier

Hongji Profiles Co., Ltd.

5 yrs on Sinoali.com

Located in China

Product Introduction

Hongji Profiles Co., Ltd. is a professional manufacturer and supplier specializing in the R&D, production and sales of high-quality steel profiles. With years of experience in the metallurgical industry, we have earned a solid reputation for reliability, precision and customer-centric service, providing global clients with premium steel profile solutions for diverse industrial and architectural needs.

Our core business covers a full range of steel profiles, including angle steel, channel steel, I-beams, H-beams, C-section steel, Z-section steel, flat steel and custom special steel profiles. These products are widely applied in building structures, bridges, transmission towers, industrial machinery, automotive components and shipping. We strictly control material selection, adopting high-quality steel grades such as S235JR, S355JR, SS400, A36 and Q355 series to ensure excellent mechanical properties, durability and corrosion resistance.

Guided by a customer-first philosophy, we have built a comprehensive sales and after-sales network. Our products are exported to Europe, North America, Southeast Asia and Africa, with long-term cooperation with well-known enterprises. Our team provides one-stop services, and we ensure prompt delivery through sufficient inventory and optimized logistics.

Upholding “Quality First, Integrity-based, Innovation-driven, Win-Win Cooperation”, Hongji is committed to becoming a global leader in the steel profile industry, continuously improving quality and service to create a better future with global customers.

 

FAQ

Q: Q: What are the common specifications of your flat steel?
A:A: Our standard flat steel covers a wide range of sizes, with thicknesses from 3mm to 50mm, widths from 20mm to 600mm, and lengths from 6m to 12m. Common models comply with GB, EN, ASTM and JIS standards, including GB Q235B flat steel, EN S235JR flat steel, ASTM A36 flat steel and JIS SS400 flat steel. Detailed dimension tables and specification parameters can be provided upon your request.
Q: Q: What materials are your flat steel products made of?
Q: Q: Do you supply hot-rolled flat steel and cold-rolled flat steel?
Q: Q: Can you customize flat steel with non-standard sizes?
Q: Q: What is the difference between ordinary flat steel and high-strength flat steel?
Q: Q: Are your flat steel products suitable for outdoor and corrosive environments?
Customizable Rock-bottom price
$520 1-49 ton Base price
$497 50-99 ton 4.4% off
$486 ≥100 ton 6.5% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 520.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

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