b'P oWerh ACksAWsh igh - sPeed sTeel -rsh igh - sPeed sTeelacksaws owerF eATures A PPliCATions Available in metric and inchIdeal for cutting a wide range of materials Fully hardened molybdenum high-speed steel H P B eneFiTs Long wear life and top performance Withstands heavier feed pressures providing faster cuttingCUTTING CHART FOR POWER HACKSAW BLADES-BS AND RSMaterial ThicknessFrom 3/4" to 1-1/2" From 1-1/2" to 3-1/2" Up to 3/4" (20mm) (From 20mm to 40mm) (From 40mm to 90mm) Above 3-1/2" (Above 90mm)Cross Section to be Cut Pitch* Bow Speeds in Strokes per Minute **Low Carbon Steel 14-10 10-6 6-4 4-2-1/2 70-90Medium Carbon Steel 14-10 10-6 6-4 4-2-1/2 60-80High Carbon Steel 14-10 10-6 6-4 4-2-1/2 55-70Carbon Low Alloy Steel14-10 10-6 6-4 4-2-1/2 65-80Carbon High Alloy Steel14-10 10-6 6-4 4-2-1/2 45-60Easy to machine steel 14-10 10-6 6-4 4-2-1/2 80-100Tool Steel 14-10 10-6 6-4 4-2-1/2 55 -70Low-Alloy High-speed steel 14-10 10-6 6-4 4-2-1/2 50-60High-Alloy High-speed steel14-10 10-6 6-4 4-2-1/2 45-55Cast Iron Class 20 14-10 10-6 6-4 4-2-1/2 70-80Cast Iron Class 40 14-10 10-6 6-4 4-2-1/2 65-75Cast Iron Class 60 14-10 10-6 6-4 4-2-1/2 40 -55Malleable Cast Iron 14-10 10-6 6-4 4-2-1/2 65-75Austenitic Cast Iron 14-10 10-6 6-4 4-2-1/2 40-55Inconel and Monel 14-10 10-6 6-4 4-2-1/2 40-55Stainless Steels 14-10 10-6 6-4 4-2-1/2 50-60Copper 14-10 10-6 6-4 4-2-1/2 95-140Bronze 14-10 10-6 6-4 4-2-1/2 85-105Brass 14-10 10-6 6-4 4-2-1/2 90-110Aluminum 14-10 10-6 6-4 4-2-1/2 100-140*The blade should be tensioned correctly .*Since you have two options for each thickness range, use a finaer pitch (more teeth per inch) for thinner sections and coarser pitches (fewer teeth per inch) for thick sections. ** For materials with width higher than 3", decrease at least 20% of cutting rates.54'