Product Name
Channel Steel (C-Section / U-Channel)
Introduction
Channel Steel-also known as C-channel or U-channel-is a versatile structural member with a straight web and two flanges that form a C or U shape. Its geometry delivers good bending resistance about one principal axis, simple connection surfaces, and easy fabrication. Channel sections are widely used in building frames, purlins, machinery frames, truck bodies, and secondary structural members where economical, easily joined steel members are required.
Key Specifications
| Item | Typical Range / Notes |
|---|---|
| Standards | EN 10079 / EN 10279, ASTM A500, ASTM A36, JIS G3192 (regional standards) |
| Forms | Hot-rolled standard channels (C/U) and cold-formed channels |
| Section Depth (h) | 50 mm – 400 mm (common ranges: 80–300 mm) |
| Flange Width (b) | 30 mm – 120 mm |
| Web & Flange Thickness (tw / tf) | 3 mm – 20 mm (dependent on section) |
| Mass per Meter | ~4 kg/m (small) up to >70 kg/m (heavy) |
| Lengths | Standard 6 m / 12 m; cut-to-length or spliced for longer runs |
| Materials / Grades | S235 / S275 / S355 (EN); A36 / A572 (ASTM); stainless or galvanized options available |
| Surface Finish | Mill finish, primer, hot-dip galvanized, painted, powder coat |
| Tolerances | Per relevant standard or to customer drawing |
Custom sizes, drilled/punched holes, and tapered or welded built-up channels available on request.
Features & Advantages
Simple & Economical: Efficient for medium-duty bending and bracing where full I-sections aren't required.
Flat Flange Faces: Easy to bolt, weld or stitch to plates and other members-ideal for brackets and connections.
Multiple Production Routes: Available as hot-rolled standard sections for structural use or cold-formed for light framing.
Good Fit with Secondary Steelwork: Commonly used for purlins, girts, guide rails and floor systems.
Corrosion Protection Options: Hot-dip galvanizing or protective painting extends life in outdoor or corrosive environments.
Easy Fabrication: Cuts, notches, and welds easily for rapid shop or site assembly.
Typical Applications
Building secondary framing: purlins, girts, and wall rails.
Structural bracing, lintels and short-span beams.
Machine bases, conveyors, and support frames.
Vehicle bodies, chassis rails, and trailer components.
Cable trays, guard rails, and shelving systems.
Fabricated welded assemblies and built-up girders.
Value-Added Services
Cut-to-length, coping, notching and CNC punching.
Pre-drilled bolt holes and welded mounting brackets.
Assembly and sub-frame welding; prefabricated modules delivered ready to install.
Shot-blasting, primer application and finish painting or hot-dip galvanizing to customer spec.
Splicing plates and pre-drilled splice kits for long-span installation.
Quality Assurance & Testing
Mill Test Certificates (MTC) providing chemical and mechanical test results.
Dimensional and straightness inspection; section property verification.
NDT (UT/RT) on welded built-up channels and MT/PT on critical joints if required.
Coating thickness and adhesion testing for painted or galvanized finishes.
Full traceability from melt to finished product on request.
Packaging & Delivery
Bundles banded with timber or polymer spacers to prevent damage.
Ends protected with caps or wrapped to avoid corrosion and abrasion.
Skidded or crated for export; labelled with section ID, length and heat/PO references.
Typical lead time: stock sizes 3–10 days; custom, drilled or coated items 10–30 days depending on scope.
How to Order / Technical Info Needed
Please provide: channel designation or required section properties (depth, flange width, thickness), material grade, length(s), surface finish, quantity and any value-added services (holes, coping, galvanizing). If you need structural sizing, share span and load conditions and we'll recommend an appropriate section with weight, section modulus and a quotation.
For technical assistance, span checks or a formal quote, send your drawings or load data and we'll reply with recommendations and lead time.
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