C steel, C steel purlin, C section, C purlin, C channel, C profile, C steel scetion C Channel Steel!. Thickness:1.0-4.0mm optional2. Surface preparation: H.D.G, Pre-galvanized, electrogalvanized, cold rolled3. Length: according to your demands4. stainless steel is also available, thickness is limited to 8mm5. High strength, light weight, high reliability. C Channel Steel