API 5L X70 boiler seamless steel pipe 1) Standard:API 5L,ASTM 36.10M, ... ,A53,DIN 1629,1626,BS,JIS.etc API 5L X70 boiler seamless steel pipe1) Standard:API 5L,ASTM 36.10M,A106 ... meters for 40' container9) Application:petroleum,gas,chemical,power,shipbuilding,boiler,construction,,metallurgy,etc API 5L X70 ...