... transportation system of petroleum and natural gas industries api 5l b erw steel pipe Product nameERW carbon steel pipe ... SCH40, SCH60, SCH80S, XS, SCH80 etc.Length1m-24mStandardAPI 5L, API 5CT, ASTM A53, ASTM A252, ASTM A500, ASTM ... prime, newly produced, secondary , stock etc.Material/steel gradeA, B, X42, X46, X52, X56, X60, X65, X70, ... purpose and pressure service etc. api 5l b erw steel pipe