... condenser for seamless carbon steel pipe for ASTM A179, specifications: 3/ 4", 1" 6 -40- 101 DEG C temperature operation ... high-frequency welded ASTM A106, A53, specifications:1/ 2 " -24",21.3-609.6mm 2 British standard ERW high-frequency welded pipe BS1387, specifications ... :1/ 2 " -12", 21.3-323.8mm The 3 car transmission shaft of electric welded pipe used for ...