bell and spigot 1 standard: EN10219,EN10217,ASM A252,API 5L 2 ... .:219-3048mm 3 length:2.5-20m 4 ISO bell and spigot steel pipe2.OD:219.1-3048mm 3.W.T ... ,S235JRHetc11.UsageFor linepipe in petroleum and natural gas , water and gas, mineral slurry. Also for chemical industry, building structure and pile driving, etc.12 ...