Maniflow supply and can bend mild steel, stainless steel, inconel , and aluminium,  from  1/4"   to  4"  outside diameter,some with a 1D =  1X Diameter Centre Line Radius,many with a wall thickness from 1mm  to 2 mm, We generally keep the more popular sizes in stock eg.   90,  45,  degrees, etc. Phone or Email for quote.