api 5l line pipe x42 1.Suitable for conveyance of gas, petroleum, liquid, and electricity; ... packing, or as customized5.surface treatmentBlack vanished, PP,PE,3PE7.Payment TermT/T, L/C8.Delivery Time30 ... ,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 ...