Low carbon galvanized steel C channel 1) Size:as below 2) Thickness: 0.9mm to ... A36, SS400.ect4. Standard: GB , JIS ,BS , ASTM, DIN.5. Size: meet Standard size or as buyer's request .6 ... . Length: 5.8M, 6M, 8M, 9M, 12M.7. Packing: with ... . Delivery date : Within 20-30 days after receiving L/C or deposit.9. Addition service: Paiting, Perforating, packing.10 ...