Каталог Iscar расточные системы 2022 - страница 111

ISO MATERIALS AND GRADES USER GUIDE MATERIAL GROUPS Based on ISO 513 and VDI 3323 standards Material Tensile Strength Hardness Group Material Condition [N/mm2] Kc1(1) [N/mm2] mc(2) HB No. < 0.25 %C Annealed 420 1350 0.21 125 1 ≥ 0.25 %C Annealed 650 1500 0.22 190 2 Non-alloy steel and caststeel, free cutting steel< 0.55 %CQuenched and tempered 850 1675 0.24 250 3 ≥ 0.55 %C Annealed 750 1700 0.24 220 4 Quenched and tempered 1000 1900 0.24 300 5 Annealed 600 1775 0.24 200 6 P Low alloy and cast steel (less than 5% of 930 1675 0.24 275 7 alloying elements) Quenched and tempered 1000 1725 0.24 300 8 1200 1800 0.24 350 9 Annealed 680 2450 0.23 200 10 High alloyed steel, cast steel and tool steel Quenched and tempered 1100 2500 0.23 325 11 Stainless steel and cast steel Ferritic/martensitic 680 1875 0.21 200 12 Martensitic 820 1875 0.21 240 13 M Stainless steel and cast steel Austenitic, duplex 600 2150 0.20 180 14 Gray cast iron (GG) Ferritic / pearlitic 1150 0.20 180 15 Pearlitic / martensitic 1350 0.28 260 16 K Nodular cast iron (GGG) FerriticPearlitic 1225 0.25 160 1713500.2825018 Malleable cast iron FerriticPearlitic 1225 0.25 130 1914200.323020 Not hardenable 700 0.25 60 21 Aluminum-wrought alloys Hardenable 800 0.25 100 22 ≤12% Si Not hardenable 700 0.25 75 23 Aluminum-cast alloys Hardenable 700 0.25 90 24 N >12% Si High temperature>1% PbFree cutting 750 0.25 130 257000.2711026 Copper alloys Brass 700 0.27 90 27 Electrolytic copper 700 0.27 100 28 Non metallic Duroplastics, fiber plasticsHard rubber 2930 Annealed 2600 0.24 200 31 Fe based Hardened 3100 0.24 280 32 High temperature alloys Annealed 3300 0.24 250 33 S Ni or Cobased Hardened 3300 0.24 350 34 Cast 3300 0.24 320 35 Pure 400 1160 0.24 36 Titanium alloys Alpha+beta alloys,hardened 1050 1245 0.24 37 Hardened 4600 55 HRC 38 Hardened steel H Chilled cast iron Hardened 4700 60 HRC 39Cast460040040 Cast iron Hardened 4500 55 HRC 41 Steel Stainless Steel Cast Iron Non-ferrous High Temp. and Titanium Alloys Hardened Steel and Cast Iron (1) Specific cutting force for 1 mm2 chip section. (2) Chip thickness factor. 493