Stainless Steel C Channel - ASTM Certified Mill Direct Supplier
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 Stainless Steel C Channel
| Property | Parameter | Description |
|---|---|---|
| Product Name | Stainless Steel C Channel | Hot rolled or laser fused structural C channel made from stainless steel |
| Material Grade | 304 / 304L / 316 / 316L | Equivalent to EN 1.4301 / 1.4307 / 1.4401 / 1.4404, JIS SUS304 / SUS316 |
| Standard Compliance | ASTM A276 / A484 / A36 | Also conforms to EN 10088, GB/T 706, JIS G3101 |
| Carbon (C) | ≤ 0.08% | 304 grade typical; 304L ≤ 0.03% for improved weldability |
| Chromium (Cr) | 18.0 – 20.0% | Primary corrosion-resistant element in austenitic stainless steel |
| Nickel (Ni) | 8.0 – 12.0% | Enhances ductility and corrosion resistance; 316 grade contains 10.0 – 14.0% |
| Molybdenum (Mo) | 2.0 – 3.0% (316/316L) | Provides pitting and crevice corrosion resistance; not present in 304 grades |
| Manganese (Mn) | ≤ 2.00% | Improves hot working properties and strength |
| Tensile Strength | 515 – 620 MPa | Per ASTM A276 for 304 grade; 316 grade ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa | 0.2% offset yield strength per ASTM A276 standard |
| Elongation | ≥ 40% | Measured in 50 mm gauge length; excellent formability |
| Size Range | Web: 50 – 400 mm; Flange: 25 – 100 mm; Thickness: 3 – 20 mm | Standard length 6 m / 12 m; custom lengths available upon request |
| Surface Finish | Hot Rolled / Pickled / No.1 / 2B / Brushed | Mill finish standard; polished or custom finishes available |
| Application | Structural framing, food processing, marine, chemical plants, architecture | Ideal for corrosive environments requiring high strength and aesthetic appeal |
| Certification | ISO 9001, EN 10204 3.1 MTC, SGS, BV | Mill test certificate provided with each shipment |
| Packaging | Bundle with steel strips, waterproof paper, wooden pallets | Seaworthy export packaging; custom marking and labeling supported |
| MOQ | 1 Metric Ton | Smaller quantities negotiable for trial orders or special grades |
Stainless Steel C Channel - ASTM Certified Mill Direct Supplier
Stainless steel C channel is a versatile structural profile that serves critical roles in construction, industrial framing, and architectural applications where both mechanical strength and corrosion resistance are essential. Characterized by its distinctive "C" cross-section with a web and two flanges, this profile delivers exceptional load-bearing capacity while maintaining a favorable strength-to-weight ratio. As a certified mill-direct supplier, we provide premium-grade stainless steel C channels manufactured in strict compliance with ASTM A276 and ASTM A484 standards. Our inventory covers a comprehensive range of grades, dimensions, and finishes designed to meet the demanding requirements of structural engineering, food processing facilities, chemical plants, marine environments, and wastewater treatment infrastructure. Whether you require standard profiles or custom-fabricated sections, our production capabilities ensure precise dimensional tolerances and consistent metallurgical quality across every shipment.

What Is Stainless Steel C Channel?
A stainless steel C channel — also referred to as a C-beam or structural channel — is a hot-rolled or laser-fused profile featuring a flat web connected to two parallel flanges extending from the same side, forming a "C" shape. This geometry provides excellent resistance to bending and torsional forces, making it ideal for structural support frames, equipment mounting brackets, and curtain wall systems. Unlike carbon steel alternatives, stainless steel C channels offer outstanding anti-corrosion properties, retaining structural integrity in humid, chemical, or saltwater environments without the need for protective coatings.
Stainless Steel C Channel Technical Specifications
Our stainless steel C channels are manufactured to meet rigorous international standards, ensuring reliable performance in the most demanding service conditions. Below are the key technical parameters available across our product range:

- Common Grades: 304/304L (UNS S30400/S30403), 316/316L (UNS S31600/S31603), 201, 2205 Duplex
- Density: 7.93 g/cm³ (304) / 7.98 g/cm³ (316) at 20°C
- Tensile Strength: 515 MPa minimum (304) / 485 MPa minimum (316) per ASTM A276
- Yield Strength: 205 MPa minimum (304) / 170 MPa minimum (316)
- Channel Height Range: 25 mm to 400 mm
- Flange Width Range: 13 mm to 110 mm
- Web Thickness: 2.0 mm to 16.0 mm
- Standard Lengths: 6 m, 9 m, 12 m (custom lengths available)
- Surface Finishes: Hot-rolled (No.1), pickled, brushed (No.4), mirror-polished
- Applicable Standards: ASTM A276, ASTM A484, EN 10088-3, JIS G4317
- Dimensional Tolerance: Per ASTM A484 — web thickness ±0.40 mm, depth ±3.2 mm for standard sizes
Grade 304L stainless steel C channel is the most widely specified for general structural and architectural use, while 316L finds extensive application in marine, pharmaceutical, and chemical processing environments where enhanced resistance to chloride-induced pitting is required. For projects demanding superior strength combined with corrosion resistance, our 2205 duplex stainless steel C channel delivers a minimum yield strength of 450 MPa — more than double that of standard austenitic grades.
Get a Competitive Quote for Stainless Steel C Channel
Partner with a trusted mill-direct supplier offering cost-effective pricing, rigorous quality assurance, and flexible order fulfillment. We support projects of every scale — from single-piece prototypes to multi-ton structural contracts — with full mill test certificates (EN 10204 3.1) accompanying each delivery.
- 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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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.
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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