Stainless steel pipe fittings is a kind of pipe, it is made of stainless steel material stainless steel tube, which contains: stainless steel elbow, stainless steel, stainless steel four-way, stainless steel reducers, stainless steel pipe caps, according to the connection method can be divided into the spigot and stainless steel pipe fittings, threaded stainless steel tube stainless steel pipe fittings, flanges, and welded stainless steel pipe fittings four categories. Stainless steel elbow pipe turn where parts used to make pipes and pipe connected to the flange, connected to the pipe end, stainless works on three tube collection of place; four-pipe stainless steel tube for collections where stainless steel pipe with different diameters in two pipes with different diameters connected place. Main stainless steel material: 304, 304L, 316, 316L. http://www.sellsteels.com/stainless-steel/stainless-pipe-fittings.html