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Channel Steel for Construction - Hot Rolled Structural Steel Channel U/C Shape Wholesale
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Channel Steel for Construction
| Property | Parameter | Description |
|---|---|---|
| Product Name | Channel Steel for Construction | Hot rolled structural channel steel (U-channel / C-channel) for building and construction applications |
| Material Grade | Q235B / Q345B / SS400 / A36 / S235JR / S275JR | Equivalent grades: ASTM A36, EN S235JR, JIS SS400, GB Q235B |
| Standard Compliance | GB/T 706, ASTM A36, EN 10025-2, JIS G3101 | Manufactured in accordance with international and Chinese national standards |
| Carbon Content (C) | ≤ 0.20% | Ensures good weldability and moderate strength for structural use |
| Manganese Content (Mn) | 0.30% – 1.60% | Enhances tensile strength and hardness |
| Silicon Content (Si) | ≤ 0.35% | Acts as deoxidizer, improves strength |
| Phosphorus (P) / Sulfur (S) | P ≤ 0.035% / S ≤ 0.035% | Controlled to ensure toughness and reduce brittleness |
| Tensile Strength | 370 – 530 MPa | Per ASTM A36: 400–550 MPa; per GB Q235B: 370–500 MPa |
| Yield Strength | 235 – 345 MPa | Q235B ≥ 235 MPa; Q345B ≥ 345 MPa; A36 ≥ 250 MPa |
| Elongation | ≥ 20% | Measured on standard gauge length per respective material standards |
| Size Range | Height: 50 – 400 mm; Web width: 32 – 104 mm; Web thickness: 4.4 – 14.5 mm | Standard length 6 m / 9 m / 12 m; custom lengths available |
| Surface Finish | Hot rolled black / Galvanized / Painted | Optional hot-dip galvanizing (≥ 60 μm) or primer coating for corrosion resistance |
| Tolerance | Per GB/T 706 or ASTM A6/A6M | Strict dimensional tolerance control on height, width, thickness, and straightness |
| Application | Building frames, bridges, industrial plants, support structures, infrastructure | Widely used in steel structure construction, mezzanine floors, and load-bearing frameworks |
| Certification | ISO 9001, SGS, BV, CE, Mill Test Certificate (EN 10204 3.1) | Third-party inspection and testing available upon request |
| Packaging | Bundled with steel strips, waterproof paper or plastic caps on ends | Seaworthy packaging suitable for container or bulk vessel shipment |
| MOQ | 25 Metric Tons | Smaller trial orders negotiable; mixed sizes accepted per container |
Channel Steel for Construction - Hot Rolled Structural Steel Channel U/C Shape Wholesale
Channel steel for construction serves as one of the most essential structural steel profiles in modern building projects, offering exceptional load-bearing capacity, versatility, and cost efficiency. Whether used as framing members in commercial buildings, support beams in residential structures, or bracing elements in industrial facilities, hot rolled steel channels deliver reliable structural performance across a wide range of applications. Available in both U-channel and C-channel configurations, these profiles are engineered to meet stringent international standards including GB/T 706, EN 10279, and ASTM A36. As a trusted wholesale supplier, we provide mill-direct channel steel at competitive rates, supporting contractors, fabricators, and construction firms worldwide with consistent quality and dependable delivery schedules.
What Is Channel Steel for Construction?
Channel steel is a hot rolled structural steel profile characterized by its distinctive cross-sectional shape — either a U-shape (with parallel inner flange surfaces) or a C-shape (with tapered flanges). Manufactured by passing heated steel billets through a series of rolling mills, the resulting profile features a web connecting two flanges, creating a section with excellent resistance to bending and shear forces. Construction-grade channel steel is primarily produced from Q235B, Q345B, SS400, S235JR, or ASTM A36 carbon steel, providing an optimal balance of strength, weldability, and formability required in structural applications.
Channel Steel Technical Specifications
Our hot rolled structural steel channels are manufactured to precise dimensional tolerances and mechanical property requirements, ensuring dependable performance in demanding construction environments.
| Parameter | Specification Range |
|---|---|
| Height (Web) | 50 mm – 400 mm |
| Flange Width | 37 mm – 104 mm |
| Web Thickness | 4.5 mm – 14.5 mm |
| Standard Length | 6 m, 9 m, 12 m (custom lengths available) |
| Steel Grades | Q235B, Q345B, SS400, S235JR, A36 |
| Yield Strength (Q235B) | ≥ 235 MPa |
| Yield Strength (Q345B) | ≥ 345 MPa |
| Tensile Strength (A36) | 400 – 550 MPa per ASTM A36 |
| Density | 7.85 g/cm³ at 20°C |
| Surface Treatment | Black, galvanized, or painted |
| Standards | GB/T 706, EN 10279, ASTM A36, JIS G3192 |
Key Applications of Construction Channel Steel
Hot rolled steel channels find extensive application across virtually every sector of the construction industry. In structural framing, channel sections serve as purlins, girts, and lintels in steel-framed buildings, supporting roof and wall cladding systems with superior section modulus values. For infrastructure projects, construction channel steel functions as cross-bracing in bridge decks, support members in transmission towers, and framework in mezzanine platforms. In residential and commercial construction, U-channel and C-channel profiles are widely specified for curtain wall framing, staircase stringers, and column reinforcement. Their consistent cross-section also makes them ideal for welded and bolted connections, simplifying fabrication and reducing on-site labor costs.
Why Choose Our Wholesale Channel Steel?
We source directly from ISO 9001-certified mills, ensuring every batch of structural channel steel undergoes rigorous quality inspection including dimensional verification, mechanical testing, and mill test certificate (MTC) documentation per EN 10204 3.1. Our warehouse stocks over 50 common channel sizes for immediate dispatch, while custom orders are fulfilled within 15–25 working days.
Get a Competitive Quote for Channel Steel for Construction
Partner with us for premium-grade hot rolled channel steel delivered at mill-direct rates. Whether you need a single bundle or full container loads, our team provides tailored solutions to meet your project specifications and timeline.
- 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!
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Know your supplier
Factory 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.
Customer feedback
FAQ
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
