... ,API5CT,ASTM-A106,ASTM-A53,SY5037-2000,GB/T5711.1-1997MaterialX42,X52,X60,X65,X70,Q235,Q345,10#,20#, ... requirementApplications rangePetroleum,chemical,power,gas,water,metallurgy,shipbuilding,construction,etc.Min order quantity20 tonsDelivery timeAccording to customers requirement (the earliest time ... A 106-2006 / ASTM A 53-2007DIN : DIN EN 10216-1-2004 / DIN 1630API : API 5CT / API 5L / API5DPGB : GB ...