... ,X65,X70,L245,X290 3) Standard:GB/T 3091-2001, BS1387-1985, ASTM A53.API 5L/API 5CT4) Use: Used for ... , and oil5) Packing: In hexagon bundle with pvc plastic sheet and slingsElectric Resistance Welded Steel Pipe Usage:Used for low pressure liquid delivery ... weld pipe EFW:Electric Fusion Welded Pipe Standard:API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387 Certificate ...