... DIN 1629,1626,BS,JIS.etc API 5L X70 boiler seamless steel pipe1) Standard:API 5L,ASTM 36 ... SCH5-160, STD, XS, XXS etc.6) Technique:Hot Rolled,Cold Drawn,Seamless,ERW,LSAW,SSAW,7) Surface ... treatment:bare,black painting,anti rust oil,hot dipped galvanized,3pe,etc8) Length: 5.8 meters ... container9) Application:petroleum,gas,chemical,power,shipbuilding,boiler,construction,,metallurgy,etc API 5L X70 ...