Stainless steel elbow with a 90 degree function that changes the direction of flow. Short radius and long radius 90 degree elbows, often referred as "90 bends or 90 elbows,". Seamless or welded stainless steel pipes are the primary raw materials utilized to make 90 degree stainless steel elbows. Cold forming is the primary method used to create elbows, with heat treatment, pickling, finishing, and other processes coming afterwards.