GRADE

Carbide grade chart


Evergreen Grade ISO Grade Binder Co(%) Grain Size Density (g/cm3) Hardness (HRA) Hardness(HRC) Transverse rupture strength(Mpa) Applictions Recommendations
YG6 K10 6 Medium- 2.0μm 14.8 91 79 1700 Excellent wear resistance: suitable for semi-finishing of cast iron and light alloy, milling blades for cast iron and low alloy, small and medium-sized drawing dies, woodworking cutting toools, wear-resistant parts, long slices, round rods, sealing rings, etc
EG06 K10 6 Ultra fine-0.4μm 14.85 94 83 3700 Making tungsten carbide rods for cutting tools applied in machining aluminum-magnesium alloys,glass fiber,wood,harden plastic,etc. For making PCB micro tools and drills of other materials
YG8 K20 8 Medium- 2.0μm 14.6 89 74 1800 Good toughness and wear resistance: making grinding tools, balls and jars for planetary ball mill
EG08 K20 8 Ultra fine-0.4μm 14.65 93.6 82 3700 Making tungsten carbide rods for cutting tools applied in glass fiber,wood,titanium alloy,stainless steel,copper-aluminum alloy,etc.For making high speed drill,graver,and micro-drill with diameter less than 0.8mm used for machining of PCB.
YG10 K40 10 Medium- 2.0μm 14.3 88 72 2200 Good toughness and wear resistance: Making milling tools, micro-drills, end mills, rotary files, mandrels and spraying sheets with high impact.
YL10.2 K40 10 Submicrom-0.6μm 14.4 92.2 81 3400 Making tungsten carbide rods for cutting tools applied in glass fiber,wood,titanium alloy,stainless steel,copper-aluminum alloy,etc.For making high speed drill,graver,and micro-drill with diameter less than 0.8mm used for machining of PCB.
YG10X K40 10 Fine-0.8μm 14.4 91.8 80 3400 Making tungsten carbide rods for cutting tools applied in glass fiber,wood,titanium alloy,stainless steel,copper-aluminum alloy,etc.For making high speed drill,graver,and micro-drill with diameter less than 0.8mm used for machining of PCB.
EG12 K40 12 Ultra fine-0.4μm 14.25 92.6 81 3700 Making tungsten carbide rods for cutting tools applied in stainless steel,aluminum alloy,heat-treated steel etc.For making all types of high speed end mills,graver,and reamers.
YG15 K40 15 Medium- 2.0μm 14.05 86.5 69 2800 Excellent toughness and good wear resistance: Making Crushing tools, cold rolling rings, milling tools, punching dies
YG20 K40 20 Medium- 2.0μm 13.5 84 66 2500 Excellent toughness: Making hot rolling rings, punching dies
YG20C K40 20 Medium- 3.5μm 13.45 82 64 2600 Excellent toughness: Making punching dies

Nickel binder grades-nonmagnetic available on request


Evergreen Grade ISO Grade Binder Ni(%) Grain Size Density (g/cm3) Hardness (HRA) Hardness(HRC) Transverse rupture strength(Mpa) Applictions Recommendations
YN6   6 Medium- 2.0μm 14.7 90 77 1600 Non-magnetic alloy, making mechnical seal rings, sleeves,etc for oil industry and corrosion resistant parts
YN8   8 Medium- 2.0μm 14.6 89 74 1650 Non-magnetic alloy, making mechnical seal rings, sleeves,etc for oil industry and corrosion resistant parts
YN13   13 Medium- 2.0μm 14.2 87 70 2250 Non-magnetic alloy, making magnetic field forming dies

Special carbide grades for rolling mill rolls


Evergreen Grade ISO Grade Binder Co+Ni+Cr(%) Grain Size Density (g/cm3) Hardness (HRA) Hardness(HRC) Transverse rupture strength(Mpa) Applictions Recommendations
YG10   10 Medium- 2.0μm 14.5±0.15 87.5 71.5 ≥2750 High wear resistance and corrosion resistance. used in the last 1-2 stands of finishing mills.
YG12   12 Medium- 2.0μm 14.2±0.15 86 69 ≥2700 High wear resistance and corrosion resistance. used in the last 1-3 stands of finishing mills.
YG15   15 Medium- 2.0μm 14.1±0.15 85 67 ≥2650 Good toughness, wear resistance, corrosion resistance and thermal crack resistance. used in the middle and rear stands of finishing mills.
YG18   18 Medium- 2.0μm 13.7±0.15 83.5 64 ≥2600 Good toughnes and thermal crack resistance. good for general purposes. used in most stands of finishing mills and in the rear stands of common mills.
YG20   20 Medium- 2.0μm 13.5±0.15 82.5 62 ≥2550 Good toughnes and thermal crack resistance. used in the front stands of finishing mills
YG25   25 Medium- 2.0μm 13.1±0.15 80.5 58 ≥2450 Good impact resistance. used in the stands of pre-finishing rolling mills for hot rolling rebars and they can be machined with turning and milling.
YG30   30 Medium- 2.0μm 12.7±0.15 79 56 ≥2350 Good impact resistance. used for hot rolling rebars and in the first and second stands of presinishing rolling mills and they can be machined with turning and milling.

 

Evergreen Grade ISO Grade Binder Co(vol%) Grain Size Density (g/cm3) Hardness (HRA) Transverse rupture strength(Mpa) Applictions Recommendations
EG06 K05 6±0.3 0.4-0.5μm 14.85-15.0 93.5-94 3700 Making tungsten carbide rods for cutting tools applied in machining aluminum-magnesium alloys,glass fiber,wood,harden plastic,etc. For making PCB micro tools and drills of other materials
JX05 K05 6±0.3 0.8-1.0um 14.82-14.90 90.5-91.5 >1700 Excellent wear resistance: suitable for semi-finishing of cast iron and light alloy, milling blades for cast iron and low alloy, small and medium-sized drawing dies, woodworking cutting toools, wear-resistant parts, long slices, round rods, sealing rings, etc
YG6 K10 6±0.3 1.2-1.6μm 14.81-14.92 90-91 >1800 Excellent wear resistance: suitable for semi-finishing of cast iron and light alloy, milling blades for cast iron and low alloy, small and medium-sized drawing dies, woodworking cutting toools, wear-resistant parts, long slices, round rods, sealing rings, etc
YG8 K20 8 1.2-1.6μm 14.7-14.78 89.5-90.5 >2300 Good toughness and wear resistance: making grinding tools, balls and jars for planetary ball mill
EG08 K20 8 0.4-0.5μm 14.65 93.6 3700 Making tungsten carbide rods for cutting tools applied in glass fiber,wood,titanium alloy,stainless steel,copper-aluminum alloy,etc.For making high speed drill,graver,and micro-drill with diameter less than 0.8mm used for machining of PCB.
YG10 K30 10 1.2-1.6μm 14.3 88 >2200 Good toughness and wear resistance: Making milling tools, micro-drills, end mills, rotary files, mandrels and spraying sheets with high impact.
Y10.2S K40 10 0.6μm 14.4 92.2 4200 Making tungsten carbide rods for cutting tools applied in glass fiber,wood,titanium alloy,stainless steel,copper-aluminum alloy,etc.For making high speed drill,graver,and micro-drill with diameter less than 0.8mm used for machining of PCB.
YL10.2 K40 10 0.6μm 14.4 91.8 4000 Making tungsten carbide rods for cutting tools applied in glass fiber,wood,titanium alloy,stainless steel,copper-aluminum alloy,etc.For making high speed drill,graver,and micro-drill with diameter less than 0.8mm used for machining of PCB.
YG10X K40 10 0.8μm 14.4 91.5 3600 Making tungsten carbide rods for cutting tools applied in glass fiber,wood,titanium alloy,stainless steel,copper-aluminum alloy,etc.For making high speed drill,graver,and micro-drill with diameter less than 0.8mm used for machining of PCB.
EG12 K40 12 0.4-0.5μm 14.25 92.6 3700 Making tungsten carbide rods for cutting tools applied in stainless steel,aluminum alloy,heat-treated steel etc.For making all types of high speed end mills,graver,and reamers.
YG15 K40 15 1.2-1.6μm 14.05 86.5 >2800 Excellent toughness and good wear resistance: Making Crushing tools, cold rolling rings, milling tools, punching dies
YG20 K40 20 1.2-1.6μm 13.5 84 >2500 Excellent toughness: Making hot rolling rings, punching dies
YG20C K40 20 2.5-3.5μm 13.45 82 >2600 Excellent toughness: Making punching dies

 

Evergreen Grade TiC Binder Density (g/cm3) Hardness Rockwell"C"-Annealed Transverse rupture strength(Mpa) Applictions Recommendations
(vol%) (vol%)
GT30 35 65 6.5 68-72 1650-1810 Guide roller for high-speed wire finishing production process
GT36 54 46 6.4 67-71 1700-1800 Guide roller for high-speed wire finishing production process, NO Fe, NO RUST
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