channel steel,c section steel. u section steel, z section steel 1) competitive price; 2) high quality; 3) prompt delivery; channel steel,C section steel, u section steel, z section steel c section steel,u section steel, z section steel1)Standard: 41*41, 41*212) thickness: 1.0mm~3mm.3) Length: according to customer's requirement.4) BH4141 (BH4125) is also available in stainless steel or other ...