PENN ENGINEERING has full Waveguide Bending and Twisting capability from WR430 to WR3 in Copper, Bronze, Aluminum, Silver and other alloys. We can bend or twist Heavy wall, Thin wall, or Standard wall Waveguide. We will also make custom waveguide bends to your specifications. Assembled Bends with flanges are available as well as untrimmed Bends without flanges. Use this link for standard E and H plane bends.