... and better service for customers to provide satisfactory products. Seamless steel pipe Seamless steel pipe for liquid transport :Applicable to transport liquid, gas, ... Standard GB/T8162 , GB/T8163 ,ASTM A53 ,ASTM A106 ,DIN1629 , API 5L Steel Grade GB/T8162 , GB/T8163:10#, 20#, 35#, 45#, 16MN ... St 52.0 API 5L A B X42,X46, X52, X60, X65, X70, X80 ASTM A106 GrB seamless steel pipe China GBASTMDIN 17175 ...