... Elongation>=10% 4.Hardness: HB<=150 Item Namepipe fittings, pipe clampsMaterial StandardMalleable iron, meet standard ASTM A197DimensionsOD SIZE, factory ... CouplingsAnnual Output: 20,000 tons3Screwed Ductile Iron and Cast Iron Pipe FittingsAnnual Output: 12,000 tons4Ductile Iron Grooved Fittings & ... , 13793116371Fax:86 531 87889387Website:www.meide-casting.com pipe clamp, 176 GALV.SIDE OUTLET TEE