
Technical Information for Tiny Tools A\ Recommended Grades, Cutting Speeds Vc [m/min] Recommended Feed f [mm/rev] and Max Depth [mm] Max Depth Vc [m/min] Feed [ mm/rev] [mm/rev] Material Hardness Material Hardness Material Material Group Brinell HB Group Brinell HB TTIM45 TTIS30 N400 Boring Grooving Boring Low Carbon (C = 0.1-0.25%) 125 50-120 140- 200 Low Carbon (C =0.1-0.25%) 125 0.05 0.03 0.40 Unalloyed Steel Medium Carbon (C =0.25 - 0.55%) 150 40 -100 120-180 30- 80 Unalloyed Steel Medium Carbon (C = 0.25 - 0.55%) 150 0.04 0.02 0.40 High Carbon (C = 0.55 - 0.85%) 170 30-80 110-180 High Carbon (C = 0.55 - 0.85%) 170 0.03 0.01 0.40 Non Hardened 180 50-70 100-155 Non Hardened 180 0.04 0.02 0.30 Low Alloy Steel Low Alloy Steel (alloying elements < 5%) Hardened 275 40- 60 90-145 25 - 50 (alloying elements < 5%) Hardened 275 0.04 0.01 0.30 Hardened 350 30 - 50 80-135 Hardened 350 0.03 0.01 0.30 Steel Annealed 200 30-50 65 -115 Steel Annealed 200 0.04 0.02 0.15 High Alloy Steel Hardened 325 25 -40 50-100 (alloying elements > 5%) Hardened 325 0.03 0.01 0.15 Cast Steel 25 - 50 Low Alloy (alloying elements < 5%) 200 30-50 30- 50 Low Alloy (alloying elements < 5%) 200 0.04 0.02 0.15 Cast Steel High Alloy (alloying elements > 5%) 225 25 -40 25 -40 High Alloy (alloying elements > 5%) 225 0.04 0.02 0.15 Stainless Non Hardened 200 60-100 80-120 Non Hardened 200 0.04 0.01 0.20 Stainless Steel SteelFerritic Hardened 330 40 - 60 55 - 95 Ferritic Hardened 330 0.03 0.01 0.15 Stainless Austenitic 180 50-90 60-100 Stainless Steel Austenitic 180 0.04 0.01 0.20 SteelAustenitic Super Austenitic 200 40 - 60 50- 90 30- 60 Austenitic Super Austenitic 200 0.04 0.01 0.15 Stainless Stainless Steel Non Hardened 200 40- 60 60- 80 Stainless Stainless Steel Non Hardened 200 0.04 0.02 0.20 steel Cast Ferritic Hardened 330 30-50 45 - 65 steel Cast Ferritic Hardened 330 0.03 0.01 0.15 Stainless Steel Austenitic 200 40- 60 50-70 Stainless Steel Austenitic 200 0.04 0.02 0.20 Cast Austenitic Hardened 330 30- 50 40- 60 Cast Austenitic Hardened 330 0.03 0.01 0.15 Ferritic (short chips) 130 50-70 60- 80 Ferritic (short chips) 130 0.02 0.02 0.25 Malleable Cast Iron 20- 50 Malleable Cast Iron Pearlitic (long chips) 230 50-70 60- 80 Pearlitic (long chips) 230 0.01 0.01 0.25 K Cast iron Grey Cast Iron Low Tensile Strength High Tensile Strength 180 260 50-70 40 - 60 60- 80 40-70 30- 80 K Cast iron Grey Cast Iron Low Tensile Strength High Tensile Strength 180 260 0.02 0.01 0.02 0.01 0.40 0.40 Ferritic 160 50-70 60- 80 Ferritic 160 0.02 0.02 0.40 Nodular Sg Iron 30- 80 Nodular Sg Iron Pearlitic 260 60-80 70- 90 Pearlitic 260 0.01 0.01 0.40 Non Aging 60 100- 300 80- 240 Non Aging 60 0.03 0.03 0.50 N Aluminum Alloys Wrought Aged Cast 100 75 100-150 100-150 100-170 100-150 60-120 N Aluminum Alloys Wrought Aluminum Alloys Aged Cast 100 75 0.03 0.03 0.03 0.03 0.50 0.50 (K) Aluminum Alloys Cast 8i Aged 90 60-100 60-100 50-90 (K) Cast & Aged 90 0.03 0.03 0.50 Non- Aluminum Alloys Cast Si 13 - 22% 130 100-150 100-150 Non- Aluminum Alloys Cast Si 13 - 22% 130 0.02 0.02 0.50 Ferrous Ferrous material Brass 90 60-100 80- 200 material Brass 90 0.03 0.03 0.50 Copper and Copper Alloys 30-70 Copper and Copper Alloys Bronze and Non Leaded Copper 100 60-100 80- 200 Bronze and Non Leaded Copper 100 0.03 0.03 0.50 Annealed (iron based) 200 25 -45 25 -45 Annealed (iron based) 200 0.04 0.01 0.20 S High Temperature Alloys Aged (iron based) Annealed (nickel or cobalt based) Aged (nickel or cobalt based) 280 250 350 20- 30 15-20 10-15 20- 30 15 - 20 10-15 15 -40 S High Temperature Alloys Aged (iron based) Annealed (nickel or cobalt based) Aged (nickel or cobalt based) 280 250 350 0.03 0.01 0.01 0.01 0.01 0.01 0.15 0.15 0.15 Heat Heat Resistant Pure 99.5 Ti 400Rm 60-100 60-100 Resistant Pure 99.5 Ti 400Rm 0.02 0.02 0.15 material Titanium Alloys 10-30 material Titanium Alloys 1050Rm 40- 50 40- 50 a + p alloys 1050Rm 0.02 0.02 0.15 H Hardened Extra Hard Steel Hardened & Tempered 45 - 50HRC 51- 55 HRC 20-45 20-40 20-40 20-40 15 -40 15 -40 H Hardened Extra Hard Steel Hardened & Tempered 45 - 50HRC 51- 55 HRC 0.01 0.01 0.01 0.01 0.05 0.05 Material Material 029 030