ERW,SSAW,LASW,SEAMLESS PIPES,GALVANIZED PIPES ,CR SHEET/COILS STANDARD: A53 GRADE B,A106 GRADE B,API 5L,API 5CT SIZE: 0.5"--30"MATERIAL: SPCC LENGHT AND WITH ARE MADE BY YOUR REQUIREMENT.IF YOU HAVE ANY REQUIREMENT, PLEASE FEEL FREE TO CONTACT ME. MY EMAIL IS BRUCE012 AT GMAIL DOT COM.