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High-Strength C-Shaped Steel - ASTM Certified Manufacturer
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 High-Strength C-Shaped Steel
| Property | Parameter | Description |
|---|---|---|
| Product Name | High-Strength C-Shaped Steel | Cold-formed high-strength C-channel structural steel section |
| Material Grade | Q345B / S355JR / ASTM A572 Gr.50 | High-strength low-alloy structural steel with international equivalent grades |
| Standard Compliance | GB/T 6725, EN 10162, ASTM A1011 | Compliant with Chinese, European, and American cold-formed steel standards |
| Carbon (C) | ≤ 0.20% | Controlled carbon content for optimal weldability and strength |
| Manganese (Mn) | ≤ 1.60% | Enhances tensile strength and hardenability |
| Silicon (Si) | ≤ 0.55% | Improves strength and deoxidation during steelmaking |
| Phosphorus (P) | ≤ 0.025% | Strictly controlled to prevent cold brittleness |
| Sulfur (S) | ≤ 0.025% | Minimized to ensure ductility and toughness |
| Tensile Strength | 470 - 630 MPa | Per GB/T 1591 / EN 10025-2 standard requirements |
| Yield Strength | ≥ 345 MPa | Minimum yield point ensuring structural load-bearing capacity |
| Elongation | ≥ 20% | Measured on standard gauge length A5, indicating good ductility |
| Dimensions | Height: 80 - 300 mm; Width: 40 - 100 mm; Thickness: 1.5 - 6.0 mm; Length: 6 - 12 m | Customizable C-channel profiles per project specifications |
| Surface Finish | Hot-dip galvanized / Painted / Black (mill finish) | Galvanized coating thickness 60 - 275 g/m² available for corrosion resistance |
| Application | Steel structure framing, purlins, wall girts, solar mounting systems, industrial buildings | Widely used in prefabricated construction and light steel structures |
| Certification | ISO 9001, CE, SGS, BV | Third-party quality certification ensuring international trade compliance |
| Packaging | Bundled with steel strips, waterproof paper wrapped, tagged | Seaworthy packaging suitable for container or bulk vessel shipment |
| MOQ | 5 Metric Tons | Smaller trial orders negotiable for new customers |
High-Strength C-Shaped Steel - ASTM Certified Manufacturer
High-strength C-shaped steel is a precision-engineered cold-formed structural profile that serves critical roles in modern construction, industrial framing, and infrastructure development. Manufactured through advanced roll-forming processes using premium-grade steel coils, this versatile section delivers exceptional load-bearing capacity while maintaining a lightweight profile. As an ASTM-certified manufacturer with over a decade of production expertise, we supply high-strength C-channel steel to contractors, fabricators, and distributors across more than 30 countries. Our mill-direct supply chain ensures consistent quality, reliable delivery schedules, and cost-effective pricing for projects of every scale — from commercial building frameworks to solar panel mounting systems and warehouse purlin installations.
What Is High-Strength C-Shaped Steel?
High-strength C-shaped steel, also referred to as C-channel or C-purlin, is a cold-formed structural member with a cross-section resembling the letter "C." It features two parallel flanges connected by a single web, creating an open-profile geometry that provides superior structural rigidity relative to its weight. Produced from high-strength low-alloy (HSLA) steel or structural-grade carbon steel, this profile finds extensive application in steel-framed buildings, mezzanine floors, curtain wall supports, and equipment mounting brackets. The cold-forming process enhances the steel's yield strength through strain hardening, resulting in a finished product that outperforms traditional hot-rolled sections of equivalent thickness.
High-Strength C-Shaped Steel Technical Specifications
Our C-shaped steel profiles are manufactured to meet or exceed ASTM A572 Grade 50 and ASTM A36 standards, ensuring reliable performance across demanding structural applications. Below are the key technical parameters:
| Parameter | Specification |
|---|---|
| Steel Grade | Q235B, Q345B, ASTM A36, ASTM A572 Gr.50, S235JR, S355JR |
| Yield Strength | 235–450 MPa (depending on grade) |
| Tensile Strength | 370–630 MPa minimum per applicable standard |
| Web Height | 80 mm – 300 mm |
| Flange Width | 40 mm – 100 mm |
| Thickness | 1.5 mm – 6.0 mm |
| Length | 1,000 mm – 12,000 mm (custom lengths available) |
| Surface Treatment | Hot-dip galvanized (Z120–Z275), painted, or bare finish |
| Lip Height | 15 mm – 25 mm (lipped C-channel option) |
| Tolerance | Per GB/T 6725, EN 10162, or AISI S200 |
Hot-dip galvanized options provide outstanding anti-corrosion properties with zinc coating weights ranging from 120 g/m² to 275 g/m², extending service life to 25+ years in standard atmospheric environments. All profiles undergo rigorous dimensional inspection, tensile testing, and coating thickness verification before shipment.
Key Advantages of Our High-Strength C-Channel Steel
Our C-shaped steel profiles offer distinct advantages that set them apart in the marketplace. The superior yield-to-weight ratio — with Q345B grade delivering a minimum yield strength of 345 MPa at thicknesses as low as 2.0 mm — enables engineers to design lighter structures without compromising load capacity. Precision roll-forming technology maintains dimensional tolerances within ±0.5 mm on web height and ±0.3 mm on thickness, ensuring seamless fit during on-site assembly. Pre-punched holes, custom perforations, and back-to-back pairing for I-beam configurations are available upon request, reducing fabrication time and labor costs at the project site.
Get a Competitive Quote for High-Strength C-Shaped Steel
Partner with a trusted ASTM-certified manufacturer for your next structural steel project. Whether you need standard purlins or custom-dimensioned C-channels, our team delivers mill-direct rates with flexible MOQ options tailored to your requirements.
- 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!
Ratings & Reviews
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
