2
P
P1
P1.1 < 240 HB ≤ 830
P1.2 < 180 HB ≤ 620
P1.3 < 180 HB ≤ 620
P2
P2.1 < 180 HB ≤ 620
P2.2 < 240 HB ≤ 830
P2.3 < 300 HB ≤ 1030
P3
P3.1 < 180 HB ≤ 620
P3.2 180 - 260 HB > 620 ≤ 900
P3.3 260 - 360 HB > 900 ≤ 1240
P4
P4.1 < 26 HRC ≤ 900
P4.2 26 - 39 HRC > 900 ≤ 1240
P4.3 39 - 45 HRC > 1240 ≤ 1450
M
M1
M1.1 < 160 HB ≤ 520
M1.2 160 - 220 HB > 520 ≤ 700
M2
M2.1 < 200 HB ≤ 670
M2.2 200 - 280 HB > 670 ≤ 950
M2.3 280 - 380 HB > 950 ≤ 1300
M3
M3.1 < 200 HB ≤ 750
M3.2 200 - 260 HB > 750 ≤ 870
M3.3 260 - 300 HB > 870 ≤ 1040
M4
M4.1 < 300 HB ≤ 990
M4.2 300 - 380 HB ≤ 1320
K
K1
K1.1 < 180 HB ≤ 190
K1.2 180 - 240 HB > 190 ≤ 310
K1.3 240 - 280 HB > 310 ≤ 390
K2
K2.1 < 160 HB ≤ 400
K2.2 160 - 200 HB > 400 ≤ 550
K2.3 200 - 240 HB > 550 ≤ 660
K3
K3.1 < 180 HB ≤ 560
K3.2 180 - 220 HB > 560 ≤ 680
K3.3 220 - 260 HB > 680 ≤ 800
K4
K4.1 < 180 HB ≤ 190
K4.2 < 240 HB ≤ 740
K4.3 < 280 HB > 840 ≤ 980
K4.4 280 - 320 HB > 980 ≤ 1130
K4.5 320 - 360 HB > 1130 ≤ 1280
K5
K5.1 < 180 HB ≤ 400
K5.2 180 - 220 HB > 400 ≤ 450
K5.3 220 - 260 HB > 450 ≤ 500
N
N1
N1.1 < 60 HB ≤ 240
N1.2 60 - 100 HB > 240 ≤ 400
N1.3 100 - 150 HB > 400 ≤ 590
N2
N2.1 < 75 HB ≤ 240
N2.2 75 - 90 HB > 240 ≤ 270
N2.3 90 - 140 HB > 270 ≤ 440
N3
N3.1
N3.2
N3.3
N4
N4.1
N4.2
N4.3
N5 N5.1
S
S1
S1.1 < 200 HB ≤ 660
S1.2 200 - 280 HB > 660 ≤ 950
S1.3 280 - 360 HB > 950 ≤ 1200
S2 S2.1 < 200 HB ≤ 690
S2.2 200 - 280 HB > 690 ≤ 970
S3 S3.1 < 280 HB ≤ 940
S3.2 280 - 360 HB > 940 ≤ 1200
S4 S4.1 < 240 HB ≤ 800
S4.2 240 - 320 HB > 800 ≤ 1070
H
H1 H1.1 < 440 HB
H2 H2.1 < 55 HRC
H2.2 > 55 HRC
H3
H3.1 < 51 HRC
H3.2 51 - 55 HRC
H4
H4.1 55 - 59 HRC
H4.2 > 59 HRC
ISO group WMG (Work Material Group) Hardness
(HB or HRC)
Ultimate
Tensile Strength
(MPa)
Examples of material
(AISI, EN, DIN, SS, STN, BS, UNE, CN, AFNOR, GOST, UNI...)
Free machining steel
(carbon steels with increased machinability)
sulfurized AISI 1108, EN 15S22, DIN 1.0723, SS 1922, ČSN 11120, BS 210A15, UNE F.210F, GB Y15, AFNOR 10F1, GOST A30,
UNICF10S20
sulfurized and phosphorized AISI 1211, EN 11SMn30, DIN 1.0715, SS 1912, ČSN 11109, BS 230M7, UNE F.2111, GB Y15, AFNOR S250, GOST A40G,
UNI CF9SMn28
sulfurized/phosphorized
and leaded
AISI 12L13, EN 11SMnPb30, DIN 1.0718, SS 1914, ČSN 12110, BS 210M16, UNE F.2114, GB Y15Pb, AFNOR S250Pb,
GOSTAS35G2, UNI CF10SPb20
Plain carbon steel
(steels comprised of mainly iron and carbon)
containing <0.25%C AISI 1015, EN C15, DIN 1.0401, SS 1350, ČSN 11301 , BS 080A15, UNE F.111, GB 15, AFNOR C18RR, GOST St2ps, UNI Fe360
containing <0.55%C AISI 1030, EN C30, DIN 1.0528, SS 1550, ČSN 12031, BS 080M32, UNE F.1130, GB 30, AFNOR AF50C30, GOST 30G,
UNIFe590
containing >0.55%C AISI 1060, EN C60, DIN 1.0601, SS 1655, ČSN 12061, BS 080A62, UNE F513, GB 60, AFNOR 1C60, GOST 60G, UNI C60
Alloy steel
(carbon steels with an alloying content ≤ 10%)
annealed AISI 5015, EN 16Mo3, DIN 1.5415, SS 2912, ČSN 15020, BS 1501-240, UNE F.2601, GB 16Mo, AFNOR 15D3, GOST 15M,
UNI 16Mo3KW
hardened and tempered AISI 4140, EN 42CrMo4, DIN 1.7225, SS 2244, ČSN 15142, BS 708M40, UNE F.8232, GB 42CrMo, AFNOR 42CD4,
GOST40ChFA, UNI 42CrMo4
AISI 4140, EN 42CrMo4, DIN 1.7225, SS 2244, ČSN 15142, BS 708M40, UNE F.8232, GB 42CrMo, AFNOR 42CD4,
GOST40ChFA, UNI 42CrMo4
Tool steel
(special alloy steel for tools, dies and molds)
annealed AISI D2, EN X155CrVMo12-1, DIN 1.2370, SS 2736, ČSN 19573, BS BD2, UNE F.520A, GB Cr12Mo1V1, AFNOR Z160CDV12,
GOST Ch12MF, UNI X155CrVMo121KU
hardened and tempered AISI D2, EN X155CrVMo12-1, DIN 1.2370, SS 2736, ČSN 19573, BS BD2, UNE F.520A, GB Cr12Mo1V1, AFNOR Z160CDV12,
GOST Ch12MF, UNI X155CrVMo121KU
AISI D2, EN X155CrVMo12-1, DIN 1.2370, SS 2736, ČSN 19573, BS BD2, UNE F.520A, GB Cr12Mo1V1, AFNOR Z160CDV12,
GOST Ch12MF, UNI X155CrVMo121KU
Ferritic stainless steel
(straight chromium non-hardenable alloys)
AISI S429, EN X7Cr14, DIN 1.4001, SS 2326, BS 434S17, UNE F.3401, AFNOR Z8C12, GOST 08Ch13, UNI X6CrTi12
AISI 446, EN X10CrAl24, DIN 1.4762, SS 2322, ČSN 17113, BS 430S17, UNE F.3154, GB 10Cr17, AFNOR Z10CAS24,
GOST12Ch17, UNI X16Cr26
Martensitic stainless steel
(straight chromium hardenable alloys)
annealed AISI 430F, EN X14CrMoS17, DIN 1.4104, SS 2383, ČSN 17140, BS 410S21, UNE F.3117, AFNOR Z10CF17, UNI X10CrS17
quenched and tempered AISI 440C, EN X105CrMo17, DIN 1.4125, SS 2385, ČSN 17023, BS 425C11, UNE F.3402; GB 102Cr17Mo, AFNOR Z100CD17,
GOST 95Ch18, UNI GX6CrNi 13 04
precipitation-hardened AISI 420, EN X45Cr13, DIN 1.4034, ČSN 17029, BS 425C11, UNE F.3405, AFNOR Z44C14, GOST 20X17H12, UNI X30Cr13
Austenitic stainless steel
(chromium-nickel and chromium-nickel-manganese alloys)
AISI 308, EN X5CrNi18-12, DIN 1.4303, SS 2352, ČSN 17249, BS 305S17, UNE F.3513, GB 10Cr18Ni12, AFNOR Z8CN18.12,
UNI X7CrNi18 10
AISI 309, EN X15CrNiSi20-12, DIN 1.4828, ČSN 17251, BS 309S24, UNE F.3312, GB 1Cr23Ni13, AFNOR Z15CNS20.12,
GOST20Ch20N14S2, UNI 16CrNi23 14
AISI 5848, EN X45CrNiW18-9, DIN 1.4873, BS 331S40, UNE F.3211, AFNOR Z35CNWS14-4, UNI X45CrNiW 18 9
Austenitic-ferritic (DUPLEX) or super-austenitic stainless steel AISI 329, EN X1-NiCrMoCU25-20-5, DIN 1.4539, SS 2562, ČSN 17265, BS 318S13, UNE F.3552, GB 022Cr25NiMo2N,
AFNORZ1NCDU25.20
Precipitation hardening austenitic stainless steel AISI 631 (17-7PH), EN X7CrNiAL17-7, DIN 1.4568, SS 2388, ČSN 17465 , BS 301S13, UNE F.3217, GB 07Cr17Ni7Al,
AFNOR29CNA17-07, GOST 09Ch17N7Ju1, UNI X53CrMnNiN21
Gray iron (ASTM A48) or Automotive Gray iron (ASTM A159)
(iron-carbon castings with a lamellar graphite microstructure)
ferritic or ferritic-pearlitic ASTM A48 Grade 20 (F11401), EN-JL-100, DIN GG-10 (0.6010), SS 0110, STN 422410, BS Grade 150, UNE FG10,
GBHAT100, AFNOR Ft10D, GOST SC 10, UNI G10
ferritic-pearlictic or pearlitic ASTM A48 Grade 30 (F12101), EN-JL-1030, DIN GG-20 (0.6020), SS 0120, STN 422420, BS Grade 220, UNE FG20,
GBHT200, AFNOR Ft20D, GOST 20, UNI G20
pearlitic ASTM A48 Grade 50 (F13501), EN-JL-1060, DIN GG-35 (0.6035), SS 0135, STN 422435, BS Grade 350, UNE FG35,
GBHAT300, AFNOR Ft35D, GOST SC35, UNI G35
Malleable iron (ASTM A602)
(iron-carbon castings with a graphite-free microstructure)
ferritic ASTM A602 Grade M3210 (F20000), EN-JM-1130, DIN GTS-35 (0.8135), SS 0815, BS B340/12, UNE Type A,
AFNORMN35-10, GOST 35-10
ferritic or pearlitic ASTM A602 Grade M4504 (F20001), EN-JM-1040, DIN GTS-50-05 (0.8045), BS P50-05, AFNOR MB 45-7
pearlitic ASTM A602 Grade M7002 (F20004), EN-JM-1140, DIN GTS-45 (0.8145), SS 0854, STN 422540, BS P 45-06, UNE Typ B,
AFNOR MP 50-5, GOST 45-7, UNI GMN 45
Ductile iron (ASTM A536)
(iron-carbon castings with a nodular graphite microsturcture)
ferritic ASTM A536 Grade 60-40-18 (F32800), EN-JS-1030, DIN GGG-40 (0.7040), SS 0717, STN 422304, BS 420/12,
UNE FGE42-12, GB QT 400, AFNOR FGS 400-12, GOST 40
ferritic or pearlitic ASTM A536 Grade 80-55-06 (F33800), EN-JS-1050, DIN GGG-50 (0.7050), SS 0727, STN 422305, BS 500/7, UNE FGE 50-7,
GB QT 500-7, AFNOR FGS 500-7, GOST 50
pearlitic ASTM A536 Grade 100-70-03 (F34800), EN-JS-1060, DIN GGG-60 (0.7060), SS 0732, STN 422306, BS 600/3, UNE FG70-2,
GB QT 600-3, AFNOR FGS 600-3, GOST 60
Austenitic gray iron (ASTM A436)
(iron-carbon alloy castings with an austenitic lamellar graphite microstructure)
ASTM A436 Type 1 (L-NiCuCr 15 6 2, F41000), EN-JL-3011, DIN GGL-NiMn 13 7 (0.6652), SS 0523, BS Grade F1,
AFNORFGL-Ni13Mn7, GOST S-NiMn 13 7
Austenitic ductile iron (ASTM A439 or ASTM A571)
(iron-carbon alloy castings with an austenitic nodular graphite microstructure)
ASTM A439 Type D-2B (S-NiCr 20 3, F43001), EN-JS-3021, DIN GGG-NiMn 23 4, SS 0776, BS Grade S2M, AFNOR
FGSNi23Mn4, GOST 193
Austempered ductile iron (ASTM A897)
(iron-carbon alloy castings with an ausferrite microstructure)
ASTM A897 Grade 110-70-11
ASTM A897 Grade 125-80-10, EN-JS-1100, DIN GGG-90 (5.3400)
ASTM A897 Grade 2 (150-110-07), EN-JS-1110, DIN GGG-100 (5.3403)
Compacted graphite iron CGI (ASTM A842)
(iron-carbon castings with a vermicular graphite structure)
ferritic ASTM A842 Grade 300, EN-GJV-300, DIN GGV 30, GOST 30,
ferritic-pearlitic ASTM A842 Grade 350, EN-GJV-350, DIN GGV 35 (5.2200), GOST 30,
pearlitic ASTM A842 Grade 450, EN-GJV-450, DIN GGV 45, GOST 45,
Commercially pure wrought aluminum UNS A91200, EN AL99.0, DIN 3.0205, SS 4010, STN 424009, BS 1C, UNE L-3001, GB L5, AFNOR A4, GOST , UNI 3567
Wrought aluminum alloys
half hard tempered UNS A93004, EN AlMn0.5Mg0.5, DIN 3.0505, SS 4054, STN 424432, BS N31, UNE L-3831, GB LF2, AFNOR A-M1,
GOST, UNI 3568
full hard tempered UNS A95083, EN AlMg4.5Mn0.7, DIN 3.3547, SS 4140, STN 424415, BS N8, UNE L-3321, GB AlMg4.5Mn,
AFNORA-G4.5Mn, GOST Amg 4.5, UNI P-AlMg4.4
Cast aluminium alloys
UNS A02080, EN AlCu4S, BS LM11, STN 424331, UNE Al Si1Cu, GOST AMg5K, UNI G-AlSi7Mg
UNS A02420, EN AlCu4Ni2Mg2, SS AlSi7MgFe, BS LM6, STN 424519, UNE Al-7SiMg, AFNOR A-S7G, GOST AK7,
UNIG-AlSi7Mg
UNS A03360, EN G-ALCu4NiMg2, SS ALSi10Mg, STN 424336, BS LM 30, AFNOR A-S10G, UNI G-AlSi9Mg
Free-cutting copper-alloys materials with excellent machining properties UNS C14700, EN CuPb1P, DIN 2.1498, STN 423214, BS C111, AFNOR CuZn35Pb2, GOST L63-3, UNI CuS(P0.01)
Short-chip copper-alloys with good to moderate machining properties UNS C81540, EN CuNi2SiCr, DIN 2.0857, STN 423220, BS NS113, UNE CuSn12, AFNOR CuZn40, GOST L60, UNI P-CuZn-40
Electrolytic copper and long-chip copper-alloys with moderate to poor
machining properties UNS C10100, EN CuAg0.1, DIN 2.1203, SS 5010, UNE CUSi3Mn1, AFNOR Cu-C2, GOST M1f, UNI Cu-OF
Thermoplastic polymers
ABS, Acryl, Duraplast, Elastomer, EP, Epoxid, FEP, Fluor, Gummi, Kautschuk, Latex, MF, MPF, PA, PAI, PC, PE, PEEK, PEI, PES,
PET, PF, Phenolharze, PI, PMMA, Polyamide, Polyester, Polyolene, Polysulfon, POM, PP, PPE, PPS, PS, PSU, PTFE, PU, PUR,
PVDF, SAN, SI, Styrol, UF, Ureol
Thermosetting polymers
Aramid, Epoxy, Fluoropolymer, Mehacrylate, Melamine, Phenolic, Polyester, Polyimide, Polymethacrylimide, Polyurethane
Reinforced polymers or composites CFK, GFK, GMT, Honeycomb, Kevlar, LFT, Organo, SMC
Graphite CGM-1, CM-00, GM-10, GM-11, GR030, GR030PI, GR060, GR060PI, GR125, MC-01, MC-01RO, MC-03, MC-03M
Titanium or titanium alloys
UNS R50250 (Grade 1), EN Ti 99.6, DIN 3.7035, BS TA.2, UNE Ti-Po2, AFNOR T-40, GOST BT1-00
UNS R56404 (Grade 29), EN Ti2Cu, DIN 3.7124, BS TA.21, UNE Ti-P11, AFNOR T-U2
UNS R54250 (Grade 38), EN TiAl6V4, DIN 3.7165, ČSN TiAl6VELI, BS TA. 13, UNE Ti-P63, AFNOR T-A6V, GOST BT6
Fe-based high-temperature alloys UNS N08801 (Incoloy 801), EN X8 NiCrAlTi31-21, DIN 1.4959, BS NA 15, AFNOR Z8NC33-21
UNS N19907, EN X6NiCrTiMoVB25-15-2, DIN 1.4980, SS 2570, BS HR52, AFNOR Z6NCTDV25.15B, GOST 36
Ni-based high-temperature alloys
UNS A09706 (Inconel 706), EN NiCr25FeAl, DIN 2.4856, BS HR 6, ČSN Inconel 625, UNE F.3313, GB 1Cr16Ni35,
AFNORNC22FeDNB, GOST XH38BT
UNS N07001, EN NiCr20Co13Mo4Ti3Al, DIN 2.4654, BS HR 2, ČSN Waspaloy, AFNOR NCKD 20ATV, GOST 80
Co-based high-temperature alloys UNS R30016 (Stellite 6b), EN CoCr20W15Ni, DIN 2.4964, AFNOR KC 20 WN, GOST 52
UNS R30016 (Stellite 6b), EN CoCr20W15Ni, DIN 2.4964, AFNOR KC 20 WN, GOST 52
Chilled cast iron UNS F45001, EN-GJS-1050-6, DIN 5.3406, SS 0512, BS Grade 2A
Hardended cast iron UNS F45003, EN-GJS-1400-1, DIN 5.3405, SS 0457, BS Grade 3D
UNS F45003, EN G-X260NiCr4-2, DIN 0.9620, SS 0466, BS Grade S
Hardened steel <55HRC
AISI 4135, EN 34CrMo4, DIN 1.7220, SS 2234, STN 415131, BS 198, UNE F.1250, GB 35CrMo, AFNOR 35CD4,
GOST38, UNI 35CrMo4KB
AISI 4135, EN 34CrMo4, DIN 1.7220, SS 2234, STN 415131, BS 198, UNE F.1250, GB 35CrMo, AFNOR 35CD4,
GOST38, UNI 35CrMo4KB
Hardened steel >55HRC
UNS T31501, EN 100MnCrW4, DIN 1.2510, SS 2140, STN 419413, BS BO1, UNE F.5220, GB 9CrWMn, AFNOR 90MWCrV5,
GOST 9, UNI 95MNWCr5KU
UNS T31501, EN 100MnCrW4, DIN 1.2510, SS 2140, STN 419413, BS BO1, UNE F.5220, GB 9CrWMn, AFNOR 90MWCrV5,
GOST 9, UNI 95MNWCr5KU