Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 8

9 WMG (WORK MATERIAL GROUP) Ultimate Hardness ISO group WMG (Work Material Group) (HB or HRC) Tensile Strength (MPa) P1.1 Sulfurized < 240 HB ≤ 830 Free machining steel P1 P1.2 (carbon steels with increased machinability) Sulfurized and phosphorized < 180 HB ≤ 620 P1.3 Sulfurized/phosphorized and leaded < 180 HB ≤ 620 P2.1 Containing <0.25 % C < 180 HB ≤ 620 Plain carbon steel P2 P2.2 (steels comprised of mainly iron and carbon) Containing <0.55 % C < 240 HB ≤ 830 P P3 P2.3 P3.1 P3.2 Alloy steel Containing >0.55 % C Annealed < 300 HB < 180 HB 180 – 260 HB ≤ 1030 ≤ 620 > 620 ≤ 900 (carbon steels with an alloying content ≤ 10%) Hardened and tempered P3.3 260 – 360 HB > 900 ≤ 1240 P4.1 Annealed < 26 HRC ≤ 900 Tool steel P4 P4.2 (special alloy steel for tools, dies and molds) Hardened and tempered 26 – 39 HRC > 900 ≤ 1240 P4.3 39 – 45 HRC > 1240 ≤ 1450 M1.1 Ferritic stainless steel < 160 HB ≤ 520 M1 M1.2 (straight chromium non-hardenable alloys) 160 – 220 HB > 520 ≤ 700 M2.1 Annealed < 200 HB ≤ 670 Martensitic stainless steel M2 M2.2 (straight chromium hardenable alloys) Quenched and tempered 200 – 280 HB > 670 ≤ 950 M2.3 Precipitation-hardened 280 – 380 HB > 950 ≤ 1300 M M3 M3.1 M3.2 M3.3 Austenitic stainless steel (chromium-nickel and chromium-nickel-manganese alloys) < 200 HB 200 – 260 HB 260 – 300 HB ≤ 750 > 750 ≤ 870 > 870 ≤ 1040 M4.1 Austenitic-ferritic (DUPLEX) or super-austenitic stainless steel < 300 HB ≤ 990 M4 M4.2 Precipitation hardening austenitic stainless steel 300 – 380 HB ≤ 1320 K1.1 Ferritic or ferritic-pearlitic < 180 HB ≤ 190 Gray iron or Automotive Gray iron (GG) K1 K1.2 (iron-carbon castings with a lamellar graphite microstructure) Ferritic-pearlictic or pearlitic 180 – 240 HB > 190 ≤ 310 K1.3 Pearlitic 240 – 280 HB > 310 ≤ 390 K2.1 Ferritic < 160 HB ≤ 400 Malleable iron (GTS/GTW) K2 K2.2 (iron-carbon castings with a graphite-free microstructure) Ferritic or pearlitic 160 – 200 HB > 400 ≤ 550 K2.3 Pearlitic 200 – 240 HB > 550 ≤ 660 K3.1 Ferritic < 180 HB ≤ 560 Ductile iron (GGG) K3 K3.2 (iron-carbon castings with a nodular graphite microstructure) Ferritic or pearlitic 180 – 220 HB > 560 ≤ 680 K3.3 Pearlitic 220 – 260 HB > 680 ≤ 800 K K4.1 Austenitic gray iron (ASTM A436) (iron-carbon alloy castings with an austenitic lamellar graphite microstructure) < 180 HB ≤ 190 Austenitic ductile iron (ASTM A439 or ASTM A571) K4 K4.2 (iron-carbon alloy castings with an austenitic nodular graphite microstructure) < 240 HB ≤ 740 K4.3 < 280 HB > 840 ≤ 980 Austempered ductile iron (ASTM A897) K4.4 280 – 320 HB > 980 ≤ 1130 (iron-carbon alloy castings with an ausferrite microstructure) K4.5 320 – 360 HB > 1130 ≤ 1280 K5.1 Ferritic < 180 HB ≤ 400 Compacted graphite iron CGI (ASTM A842) K5 K5.2 (iron-carbon castings with a vermicular graphite structure) Ferritic-pearlitic 180 – 220 HB > 400 ≤ 450 K5.3 Pearlitic 220 – 260 HB > 450 ≤ 500 N1.1 Commercially pure wrought aluminium < 60 HB ≤ 240 N1 N1.2 Wrought aluminium alloys Half hard tempered 60 – 100 HB > 240 ≤ 400 N1.3 Full hard tempered 100 – 150 HB > 400 ≤ 590 N2.1 < 75 HB ≤ 240 N2 N2.2 Cast aluminium alloys 75 – 90 HB > 240 ≤ 270 N2.3 90 – 140 HB > 270 ≤ 440 N N3.1 Free-cutting copper-alloys materials with excellent machining properties – – N3 N3.2 Short-chip copper-alloys with good to moderate machining properties – – N3.3 Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties – – N4.1 Thermoplastic polymers – – N4 N4.2 Thermosetting polymers – – N4.3 Reinforced polymers or composites – – N5 N5.1 Graphite – – S1.1 < 200 HB ≤ 660 S1 S1.2 Titanium or titanium alloys 200 – 280 HB > 660 ≤ 950 S1.3 280 – 360 HB > 950 ≤ 1200 S2.1 < 200 HB ≤ 690 S S2 S3 S2.2 S3.1 Fe-based high-temperature alloys Ni-based high-temperature alloys 200 – 280 HB < 280 HB > 690 ≤ 970 ≤ 940 S3.2 280 – 360 HB > 940 ≤ 1200 S4.1 < 240 HB ≤ 800 S4 S4.2 Co-based high-temperature alloys 240 – 320 HB > 800 ≤ 1070 H1 H1.1 Chilled cast iron < 440 HB – H2.1 < 55 HRC – H2 H2.2 Hardened cast iron > 55 HRC – H H3 H3.1 H3.2 Hardened steel <55 HRC < 51 HRC 51 – 55 HRC – – H4.1 55 – 59 HRC – H4 H4.2 Hardened steel >55 HRC > 59 HRC – 7