Selection table for tooth division Product information Selection table for the tooth distribution in HSS circular saw blades Materials: stainless steels 15 Cr 3, 15 Cr Ni 6, 18 Cr Ni 8, 16 Mn Cr 5 20 Mn Cr 5, 25 Cr Mo 4, 50 Cr Mo 4, 34 Cr Ni Mo 6, St 00 – St 70, C 15 – C 60 Light metal, copper, cast steel high-speed steels, alloyed tool steels, brass, bronze GG 14 – GG 22 thick-walled tubes and profile steel thin-walled tubes and profile steel Selection table for clamping and clearance angle, cutting speed Secondary holes for various sawing machines Materials Tensile Rake and Saw blade Saw Saw blade Bore required strength clearance peripheral manufacturer mm secondary Nm/mm2 angle speed holes (m/min.) 200 – 250 32 2/9/50+2/8/45 Unalloyed steels 300 – 315 32 2/9/50+2/11/63 St 33, St 34, St 37 330 – 450 18 – 20/8 24 – 60 Adige 315 – 350 40 2/8/55+4/12/64 St 42, St 50, St 52 450 – 600 18/8 18 – 32 400 – 425 50 4/15/80 C 10 G, C 15 G, C 22 N, C 35 N 450 – 600 18/8 18 – 32 St 60, St 70, C 45 N, C 60 N, 600 – 850 15/8 14 – 22 Baier 175 – 250 32 4 offsetkeyways Alloyed steels 15 Cr 3 500 – 700 15/8 225 – 315 32 without 16 Mn Cr 5, 20 Mn Cr 5 600 – 800 15/6 12 – 24 Berg & Schmidt 250 – 350 32 2/12/64 37 Mn St 5, 42 Mn V 7 750 – 850 15/6 315 – 350 40 2/12/64 50 Cr V 3, 35 Ni Cr 18 800 – 900 225 – 300 32 2/8/45 14 Ni Cr 14 600 – 700 15/6 10 – 16 BEWO 315 – 350 40 2/8/55+4/12/64 34 Cr Ni Mo 6, 22 Ni Cr 14 700 – 800 Special steels 210 – 275 32 2/8/45 with high strength 1,000 – 1,200 5 – 8 210 – 275 40 2/8/55Eisele High speed steels 800 – 900 12/6 8 – 12 300 – 350 40 2/8/55+4/12/64 Stainless steels 500 – 700 6 – 10 400 – 425 40 2/15/80+4/12/64 Rolled section Häberle 225 – 350 40 2/8/55 DIN 1024/25/26 340 – 450 18/8 24 – 36 I.B.P. 200 – 350 32 2/11/63 Steel tubes 500 – 600 15/8 18 – 36 Cast steel DIN 1681 250 32 withoutKaltenbach GS 38, GS 45 380 – 450 18/8 14 – 22 350 – 400 50 4/15//80 GS 52, GS 60 520 – 600 15/8 8 – 16 MEP 200 – 355 32 2/11/63 Cast iron DIN 1691 250 32 2/9/50 GG 12, GG 30 120 – 300 15/6 14 – 25 250 – 275 40 4/11/63 Non-ferrous metals Trennjäger Copper 20/10 200 – 400 315 – 400 50 4/14/85+4/15/80 Zinc alloys 25/10 100 – 200 400 – 460 60 8/16/90 bronze up to 600 5 – 10/10 40 – 120 Ulmia 250 32 without brass 10 – 15/ 8 200 – 300 250 – 400 40 4/11/63 Nickel silver (Alpaka) 20/10 20 – 75 210 – 275 32 4/9/50 Al alloys 25/10 500 – 2,000 Wagner 315 40 4/11/63 Mg alloys Wahlen 250 – 350 40 2/8/55-4/11/63 The above data correspond to average values which have been determined in practical ex- perience in the use of different sawing machines. Depending on the machine manufacturer,tooth distributions and circumferential speeds can change slightly.Weidmann225 – 30032275 – 350402/8/452/8/55+4/12/64 www.precitool.de 15/215