bids are invited for ss tube 1/2 od 18swg - ss tube 1/2 od 18swg.the type of tube shall be seamless, cold drawn, fully annealed stainless steel tubes of ss316 material.the hardness of the tube shall be less than rockwell rb 80***.tubes shall be free from scratches and shall be suitable for bending.the tubes shall be supplied in minimum length of 6 meters without any welding in between. the tubes shall be supplied in straight length.the tube ends shall be plugged with plastic plugs and packed carefully to avoid damage during transport.each tube shall be marked with manufacturer’s name,type and material grade of tube, tube od and wall thickness at every 2 meters distance.(please refer specification) , ss ball valves (1/2) - ss ball valves (1/2).type : three piece design ss 316 ball valve, valve size : 1/2, end connection : 1/2 npt (f),body : astm a 351 gr cf8m, ball : astm a 351 gr cf8m or astm a182: f316,seat : virgin ptfe,stem : astm a 182 : f 316,body seal : virgin ptfe,gland packing & stem seal : ptfe,valve handle : carbon steel cadmium plated or with nylon sleeve,bolts & nuts : ss 316,.rating : class 800,test pressure : body 170 bar hydraulic,maximum working pressure : 100 bar.(please refer specification) total quantity : 1