Material Listings • DIN Tensile Material Strength Hardness Hardness DIN Group Description Content RM (MPa)* (HB) (HRC) Standards P1 Low-Carbon Steels, Long Chipping C <.25% <530 <125 – P St 37-3, C 15, GS-38 Cq10 P2 Low-Carbon Steels, Free Machining, Short Chipping C <.25% <650 <220 <25 33 Mn 6, 9 SMn 28, 20 Mn 5, 17 Cr 3 P3 Medium-, High-Plain Carbon Steels, Low-Alloyed C >.25% 600–850 <330 <35 C 75, Ck 45, C 70 W1, 90 MnCrV 8, 42 CrMo 416MnCr5, ST52 P4 Alloyed, Tempered Carbon Steels, Tool C >.25 % 800–1100 350–450 35–48 100 Cr 6, 105 MnCr4, 51 CrMnV 4, 105 WCr 6,100 Cr 2 P5 Ferritic, Martensitic, PH Stainless Steels C = 0–.4% 600–850 <330 <35 X 6 Cr 13, X 10 Cr 13, X 20 Cr 13, X 12 CrMoS 17,X 20 CrMo 13 P6 High-Strength Ferritic, Martensitic,PH Stainless Steels C = .1–.6% 900–1350 350–450 35–48 X 40 CrMoV 5 1, H1, X 155 CrVMo 12 1,S 6-5-2-5, X 45 Cr 13, X 120 Mn12 M1 Austenitic Stainless Steel C = .05–.15% <650 130–200 – X 5 CrNi 18 10, GX 6 CrNiMo 18 10, X 6CrNiMoTi 17 12 2, X 8 CrNiMoAl 15 7 2 M2 High-Strength Austenitic Stainless,Cast Stainless Steels C = .05–.15% 500–700 150–230 <25 X 2 CrNiMo 13 4, X 10 CrNi18 9, X 5CrNiCuNb 17 4 4 M3 Duplex Steel C = .05–.2% <900 135–275 <30 X 2 CrNiMoN 23 15, X 20 CrNiSi 25 4, GX 40CrNiSi 27 4, X 2 CrNiMoN 22 5 3 K1 Grey Cast, Low-Strength Ductile Irons – 150–400 120–290 <32 GG-10, GG-15, GG-20, GG -25, GG- 40 K2 Low-, Medium-Strength CGI, Ductile Irons – 400–600 130–260 <28 GGG-35.3, GGG- 40.3, GGG-70 K3 High-Strength Ductile, Austempered Ductile Iron – 600–900 180–350 <38 GTW-35-04, GTW-65, GTS-35-10,GTS-45-06 N1 Wrought Aluminium Alloys – <520 60–90 – Al99.5, AlCuMgPb, AlMg 1, SG-AlMg 5 N2 Cast Aluminium Si <12.2% <350 70–100 – G-AlSi 9 Mg, G-AlSi 10 Mg, G-AlSi 10 Mg(Cu),SG-AlSi 12, G-AlSi 7 Mg N3 Cast Aluminiums Si >12.2% 200–320 60–120 – G-AlSi17Cu4Mg, GK-AlSi18CuNiMg,GK-AlSi21CuNiMg N4 MMCs (Aluminium-Based Metal Matrix) – <700 210 – GFK, CFK N5 Copper, Copper Alloys – 200–650 60–200 – CuZn 20, CuSn 2, CuNi 18 Zn 19 Pb N6 Carbon, Graphite Composites – 600–1500 – – Graphite, CFK, CFRP S1 Iron-Based, Heat-Resistant Alloys – 500–1200 160–260 – X 2 NiCrAlTi 32 20, X 1 NiCrMoCu 32 28 7,X 12 NiCr 36 18, x 12 NiCrSi 35 16 S2 Nickel-Based or Cobalt-Based, Heat-Resistant Alloys – 1000–1450 250–450 25–48 X 12 CrNiMn 18 88, Alloy 222 (Ni99,7Mg0,07),NiCr 20 Mo, NiCr 19 FeNbMo S3 Titanium – 900–1600 300–400 33–43 Ti 3, Ti 4, TiAl 3 V2.5 S4 Titanium Alloys – 900–1600 300–400 33–43 TiAl 5 Fe 2,5, TiAl 6 V 4, TiAl 4 Mo 4 Sn 2 H1 Hardened Steels, Irons – – <460 <48 – H1 Hardened Steels, Irons – – 460–560 48–55 – H2 Hardened Steels, Irons – – 560–650 56–60 – H4 Hardened Steels, Irons – – >650 >60 – * 1 MPa = 145 psi WWW.WIDIA.COM 85