... /8 to 2 inch. CW614n, CW617n, steel, iron and stainless steel material Brass forged tube fittings, equal elbow, 90 degree, A-8603 model, female ... , 90 degree, equal elbow, reducing elbow, threaded elbow, welding elbow.Material optional: brass (HPb57-3A, HPb58-3A, HPb59-1A or customized brass rod, steel, ironProcess: cold ...