Which blade is recommended for structural steel? Mike October 30, 2020 05:38 Armor RX®+ and Rx® + are designed for optimum cutting of structural steel. Related articles Do you have a general purpose blade? Which LENOX blade will cut stainless steel? Which blade do I use to cut meat? What does EHS mean? How fast can I run a carbide blade? Comments 0 comments Please sign in to leave a comment.