... SS ball 1. specification:1/8'' - 4'' 2. material: AISI 304, 316 3. widely used in hose connecting dn40 SS ball1 ... . specification:1/8'' - 4''2. material: AISI 304, 3163. widely used in hose connectingQiancheng Stainless Steel Products Co ... carbon steel pipe fittings,including couplings, nipples, valves, elbows, tees, crosses, spuds, nuts, plugs and other auto parts&accessories. In addition ...