... . OD: 21.3-457.2mm api 5l line pipe x421.Commodity NameERW carbon steel pipe / line pipe2.Standard,ASTMA252, ASTM A53, API 5L1 ... requirements10.MaterialQ235B,Q345B,X46,X52,X60,X70,X80 etc11.UsageFor line pipe in petroleum and natural gas , water and gas, mineral ... slurry. Also for chemical industry, building structure and pile driving, etc.12. Export to these CountriesCanada, USA, Peru, Chile, Colombia, ...