Premium Steel Cutting Saw Blades For Cutting Mild Steel: Pipe, Angle Iron, Flat Bar and RebarSTEEL-PRO Saw Blades PRF-40580D*.. For use on low RPM saws for cutting mild steel. *These blades are for use on low RPM dry-cut chop saws only.Tenryu's Steel cutting saw blades cut ferrous metals faster, cleaner, and easier. Tenryu's Steel Pro series saw bl..