... :304 304L 316 316L 321 pipe fittings( fitting,elbow,pipe elbow) 1) Type: butt welded pipe fittings, welded & seamless pipe fitting, such as elbows, ... products are corrosion and high-temperature resistant 7) Applications range: for use in the petroleum, smelting, foodstuff, power, papermaking, chemical ... , exchanger, and other fields elbow(stainless steel elbow,pipe fittings,fitting pipe) pipe fittings