... 2) Thickness: 0.9mm to 3.0mm 3) Plain & Slot MS Channel steel bar1.Origin: Tangshan city 2.Standard: GB , JIS ... . ASTM 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 bundles and ...