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Performance and Application

ISO Code Grade Typical Properties Performance and Application Equivalent to ISO
Density g/cm3 Bending StrengthN/mm2 Hardness HRA
P YT30 9.5 1200 93.2 With high wear resistance and lower strength and impact, it is suitable for finishing of carbon steel and alloy steal, for instance, fine turning, fine boring and fine reaming of their small chip sections. P05
YT15 11.3 1550 92.5 With high wear resistance and good ductibility, it is suitable for semi-finishing of the medium chip sections of steel, cast steel and alloy steel or finishing of small chip sections. P10
YT14 11.4 1650 91.8 With high strength and good impact & shock  resistance, it is suitable for rough turning and rough milling of carbon steel and alloy steel during continuous cutting or medium to fine and fine turning during intermittent cutting. P20
YT5 12.9 2000 90.4 With best strength and high impact & shock resistance among W-Co-Ti alloys but lower wear resistance, it is suitable for rough turning, rough planning and semi-finish planning of carbon steel and alloy steel (including  forged  steel parts, slamped parts and cast iron surface) during inter- mittent cutting. P30
YT715 11.3 1500 92.5 With high red hardness and wear resistance, it is suitable for semi-finishing and finishing of alloy steel with high strength. P10~P20
ISO Code Grade Typical Properties Performance & Applications Equivalent to ISO
Density g/cm3 Bending Strength N/mm2 Hardness HRA
P YT758 13.3 2100 92.4 With good hardness under high temperature and good wear resistance, it is suitable for continuous or intermittent cutting of alloy steel with super strength. P10~P20/M20
YT798 12.3 1900 92.2 With good toughness and high resistance to thermal shock and plastic deformation, it is suitable for machining of milling alloy steel, alloy tool steel, manganese steel and stainless steel. P10~P25/M20
YT535 12.7 2100 90.0 With better wear resistance, red hardness and higher strength than YT540, it is suitable for continuous rough turning and milling of cast or forged steel. P25~P35
ZP10 11.2 2100 92.0 With higher wear resistance, strength and g red hardness, it is suitable for semi-  finishing and finishing of steel, cast steel, forgeable cast iron and continuous nodular cast iron as well as profiling, threading and milling. P10~P15
ZP20 11.5 1650 91.8 With higher impact resistance and strength, it is suitable for roughing and semi-finishing of steel, cast steel, forgsable cast iron and nodular cast iron P15~P20
ISO Code Grade Typical Properties Performance & Applications Equivalent to ISO
Density g/cm3 Bending Strength N/mm2 Hardness HRA
P ZP25 12.6 1850 91.0 With good toughness, it is suitable for rough turning, milling, planing and depth hole drilling of carbon steel, cast steel, manganese steel and alloy steel. P20~P30
ZP35 12.7 2220 91.0 With high red hardness, strength and resistnce to impact and thermal shocking, it is a versatile grade and suitable for roughing and strong  cutting of steel and cast steel. P30~P40
M YT767 13.1 1800 92.8 With high wear resistance and high resistance to plastic deformation, it is suitable for continuous or intermittent cutting of manganese steel and stainless steel. M10~M20
ZP30.2 13.1 1800 92.8 With high wear resistance and high resistance to plastic deformation, it is  suitable for continuous or intermittent cutting of manganese steel and stainless. M10~M20
YW1 13.4 1700 92.8 With high red hardness, resistance to impact load, it is suitable for machining of common steel, cast irons and hard to machine materials such as refractory steel, manganese steel and stainless steel. M10
ISO Code Grade Typical Properties Performance & Applications Equivalent to ISO
Density g/cm3 Bending Strength N/mm2 Hardness HRA
M YW2A 13.0 1950 92.0 With high red hardness, high strength and good resistance to high impact load, it is suitable for rough machining, semi-finishing of cast irons and  hard-to-machine materials such as refractory steel, manganese steel, stainless steel and advanced alloy steel. M15
YW 2 13.3 1800 92.0 With high wear resistance, comparatively higher strength and resistance to high impact load, it is suitable for roughing and semi-finishing of common steel, cast irons as well as refractory steel, manganese steel, stainless steel and advanced alloy steel. M20
YG813 14.4 2200 92.0 With good wear resistance, higher bending strength and higher adhesion, resistance to bonding, it is suitable for machining of refractory alloys, stainless steel and high manganese steel, etc. K10~K20/M20
K YG610 14.7 2000 93.5 With good thermal strength and high wear resistance, it is suitable for continuous or intermittent cutting of cast irons, refractory alloys and hardened steel. K01~K10
YT726 14.2 1800 93.0 With high red hardness and wear resistance, it is suited for turning and milling of chilled cast irons, alloy cast irons and hardened-steel. K05~K10/M20
ISO Code Grade Typical Properties Performance & Applications Equivalent to ISO
Density g/cm3 Bending Strength N/mm2 Hardness HRA
K YG6X 14.9 2100 92.5 With high wear resistance and strength, it is suitable for machining of chilled alloy cast irons and refractory alloy steel as well as finishing of common cast irons. K10
YG6A 14.9 1850 93.0 With good wear resistance and strength, it is suitable for semi-finishing of chilled cast iron, nonferrous metals and their alloys; it is also suitable for semi-finishing and finishing of hardened steel and alloy steel. K10
ZK20 (YG6) 15.0 2100 91.1 With high wear resistance and better  impact and shock resistance, it is suitable for semi-finishing and finishing of cast irons, non-ferrous  metals & their alloys and nonmetallic materials at medium cutting speed. K15~20
ZK30 (YG8) 14.7 2100 90.0 With high strength, good impact and shock resistance and comparatively lower wear resistance and cutting speed, it is suitable for roughing of cast irons, non-ferrous metals and their alloys as well as nonmetallic materials at low cutting speed. K30
ZK10UF 14.8 2500 93.0 It is suitable for semi-finishing and finishing of cast irons and non-ferrous metals. K05~K15
ISO Code Grade Typical Properties Performance & Applications Equivalent to ISO
Density g/cm3 Bending Strength N/mm2 Hardness HRA
K ZK20UF 14.6 2700 92.7 It is suitable for semi-finishing and roughing of cast iron and non-ferrous metals. K05~K15
ZK30UF 14.4 2800 91.7 With superior toughness and high  hardness, it is suitable for finishing and rigid milling of cast irons and non-ferrous metals. It is also ideal for hole-machining tool. K20~K40
YG522 14.3 2000 92.5 With good wear resistance and high strength, it is specially suitable for machining of bamboo and wood. Due to its long service life, it is also suitable for machining of non-ferrous metal and nonmetallic material. K15~K30
YG546 14.6 2700 90.5 With good toughness, high strength and  capability of resisting high impact load, it is suitable for roughing of stainless steel and cast irons. K30~K40
YG3X 15.2 1450 93.6 With best wear resistance among W-Co alloys yet comparatively low impact toughness, it is suitable for high speed finishing of small chip section of cast irons, non-ferrous metals and their alloys, hardened-steel and alloy steel. K01
Grade Typical Properties Performance & Applications
Density g/cm3 Bending Strength N/mm2 Hardness HRA
ZK10SF 14.8 2500 93.5 With excellent wear resistance, high strength and impact resistance, it is suitable for machining of cast irons, nonferrous metals and non-metallic materials. It's the ideal material for making solid carbide tools for hole machining.
ZK30SF 14.4 3300 92.0 With high strength and impact resistance, it is suitable for roughing and strong cutting of cast iron.

Hardness Comparison Table

HR HB HV HS
A(60kg) B(100kg) C(150kg) D(100kg)
93.5         1850  
93   82.0     1800  
92.5   80.5     1750  
92.3   79.8     1700  
92.0   -     1660  
91.7   79.2     1650  
91.5   78.4     1600  
90.9   77.7     1550  
90.5   77.0     1500  
90.1   76.2     1450  
89.9   75.4   895 1400  
89.3   74.6   898 1350  
88.9   73.8   857 1300  
88.5   73.0   817 1250  
88.1   72.2 82 782 1200 107
87.6   71.3     1150 100
87.0   70.4 80 744 1100  
86.4   69.4     1050  
85.7   68.2     1000  
85.0   66.6 78 713 950 96
HR HB HV HS
A (60kg) B (100kg) C (150kg) D (100kg)
69   35 53 340 344 47
68   34 52 332 335 46
68   32 52 321 320 45
67   31 51 311 312 44
67   30 50 302 305 42
66   29 49 293 291 41
66   28 49 286 285 40
65   27 48 277 278 39
65   25 47 269 272 38
64   24 46 262 261 37
64   23 45 255 255 36
63   21 45 248 250 36
63 100 20 44 241 240 35
62 99 19 43 235 235 34
62 98 18 42 228 226 33
61 97 17 41 223 221 33
61 96 16 40 217 217 32
60 95 15 39 212 213 31
60 94 13 38 207 209 30
59 93 12 37 202 201 30
58 92 11 36 196 197 29
58 91 10 35 192 190 29
57 91 9 34 187 186 28
56 89 8 34 183 183 28
56 88 7 33 179 177 27
55 87 5 32 174 174 27
55 86 4   170 171 26
54 85 3   166 165 26
53 84 1   163 162 25
53 83     159 159 25
52 82     156 154 24
52 81     153 152 24
51 80     149 149 23
50 78     146 147 23
50 76     143 144 22
  76     140    
  75     137    
  74     134    
  72     131    
HR HB HV HS
A (60kg) B (100kg) C (150kg) D (100kg)
  71     128    
  69     126    
  69     124    
  67     121    
  66     118    
  65     116    
  64     114    
  62     112    
  61     109    
  59     107    
  58     105    
  57     103    
  56     101    
  54     99    
  53     97    
  52     96    
  51     95    
  50     93    
  49     92    
  48     90    
  47     88    
  46     87    
  45     86    
  44     85    
  43     83    
HR HB HV HS
A (60kg) B (100kg) C (150kg) D (100kg)
84.0   64.6 76 683 900 92
82.8   63.0 74 652 850 88
82.0   61 72 627 803 85
81.0   59 71 600 746 81
80.0   57 69 578 694 78
79.0   55 68 555 649 75
78.0   53 67 532 606 72
77.0   52 65 512 587 70
76   50 64 495 551 68
76   49 63 477 534 66
75   47 62 460 502 64
74   46 61 444 474 61
73   45 60 430 460 59
73   44 59 418 435 57
72   42 58 402 423 55
71   40 57 387 401 53
71   39 56 375 390 52
70   38 55 364 380 50
69   36 54 315 361 49