... 36.10M,A106,A53,DIN 1629,1626,BS,JIS.etc mild steel hollow pipe1) Standard:API 5L,ASTM 36.10M,A106,A53 ... painting,anti rust oil,hot dipped galvanized,3pe,etc8) Length: 5.8 meters for 20' container, 6 meters to 12 meters ... ) Application:petroleum,gas,chemical,power,shipbuilding,boiler,construction,,metallurgy,etc mild steel hollow pipe