... Welding Flange, Alloy flange,Plate Flange astm a105 b16.5 carbon steel flanges ANSI Flange Size:1/2" ~ ... for free, freight collect to the new customer. Kum Kang fittings Co. Specializes in producing Slip-On, Weld Neck, Socket ... as the customer's requirement.The factory has possessed 5-ton Splint Hammer, 2-meter ring rolling machine,1 ... be replied within 24 hours. astm a105 b16.5 carbon steel flanges