Silver Alloy Co.,Ltd.

Material Table and their Application

last update:2015.03.04

We Silver Alloy have been working with material development and quality control. We have various high quality material grade of tungsten carbide. So, our customers can put the right one in the right place.

G type (General Tungsten Carbide)

Standard alloys having excellent properties such as high hardness, high elastic modulus and high compressive strength. Applicable to various fields that require wear resistance, shock resistance, etc.
Material
grade
JIS/CIS
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
G1A V1 15.0 92.8 2,370 6,100 Wire Drawing Die, Nozzle, Cutting Tool, Gauge, Powder Molding, Drawing Tool for Light Impact, Guide, etc.
G1 V1 15.1 92.0 2,980 5,930
G2 V2 14.7 90.8 3,360 5,020 Powder Molding, Wire Drawing Die, Plug, Drawing Tool, Punching Tool, Roll Center, Mining Bit, Nozzle, Blade, Stone Tool, Ring, Gauge, Cutting Tool, Guide, Bush, Core, etc.
G3 V2 14.7 90.0 3,240 4,700
G4 V3 14.5 89.0 3,220 4,400 Drawing Tool, Punching Tool, Punch,Cutting Tool, Cutter, Ring, Plug, Powder Molding for Special Configuration, Upper/Lower Punch, Core, etc.
G5 V3 14.2 87.2 3,160 4,070
G6 V5 13.9 85.5 2,900 3,290 Drawing Toolfor heavy Impact, Punching Tool, Heading Die, Nut Forming Die, Parts Forming Die, Impact Die, Punch, Hot pressing Die, Hot Roll, Cutter, Shearing Die, etc.
G6.5 V5 14.0 84.5 2,700 3,200
S6 V5 13.6 84.5 2,850 3,120
G7 V5 13.6 84.0 2,750 3,040 Heading Die, Punch, Nut Forming Die, Shearing Die, Parts Forming Die, Impact Die, Hot pressing Die, Parts Forming, Knife, etc.
S7 V5 13.5 83.5 2,700 2,900
G8 V6 13.4 83.0 2,690 2,750
G9 V6 13.1 82.0 2,530 2,530 Heading Die, Nut Forming Die, Punch, Parts Forming Die, Impact Die(Application for Heaviest Impact), etc.
G10 V6 12.9 81.0 2,530 2,430
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F type (Impact Resistant Tungsten Carbide)

Alloys featuring in that the Co(cobalt) phase,which is a shock-absorbing phase,is thickened by using coarser particles of WC than G type so that shock resistance and wear resistance are improved.
Material
grade
JIS/CIS
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
5F V3 14.5 87.5 2,750 3,440 Nut Forming Die, Parts Forming Die, Impact Die, Heading Die, Punch, Hot pressing Die, Warm pressing Die, Shearing Die, Cutter, etc.
6F V4 14.2 86.0 2,910 3,230
F65 V5 13.9 84.5 2,700 3,020
7F V6 13.7 83.5 2,700 2,750 Nut Forming Die for Heavy Impact, Parts Forming Die, Impact Die, Heading Die, Hot pressing Die, Warm pressing Die, Shearing Die, Cutter, etc.
8F V6 13.4 82.5 2,590 2,720
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RG type (Corrosion Resistant Tungsten Carbide)

Alloys featuring in that binder phase reinforcement is added so that the Co phase,which may cause corrosion,is solid-solution reinforced,thus improved in heat resistance corrosion resistance.Particularly,electrolytic corrosion due to wire cut and corrosion after polishing are prevented. Reinforced binder phase reduces occurrence of chipping and thermal cracks.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
RG1 15.0 92.5 2,450 6,080 Wire Drawing Die, Nozzle, Cutting Tool, Gause, Powder Molding, Drawing Tool for Light Impact, Guide, etc.
RG2 14.6 91.5 3,240 5,250 Powder Molding, Wire Drawing Die, Plug, Drawing Tool, Punching Tool, Roll Center, Mining Bit, Nozzle, Blade, Stone Tool, Ring, Gause, Cutting Tool, Guide Bush, Core, etc.
RG3 14.6 91.0 3,160 4,850
RG4 14.4 90.0 3,140 4,480 Drawing Tool, Punching Tool, Punch, Cutting Tool, Cutter, Ring, Plug, Powder Molding for Special Configuration, Upper/Lower Punch, Core, etc.
RG5 14.1 88.3 3,140 4,100
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RT type (Corrosion Resistant/Impact Resistant Tungsten Carbide)

Alloys featuring in that the binder phase is reinforced and middle to coarse grains of WC are used so that heat resistance, corrosion resistance and shock resistance are improved. Particularly,some drawig or bottomed header dies can archive 5 to 10 times longer in life than conventional. Electrolytic corrosion due to wire cut and corrosion after polishing are prevented.These alloys are suitable for hot casting.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
RT51 14.2 88.2 3,080 4,000 Heading Die for Light Impact, Punching Tool, Drawing Tool, Punch, etc.
RT52 13.9 87.0 3,040 3,360 Heading Die for Light Impact, Cutter, Punching Tool, Punch, Shearing Die, etc.
RT525 13.7 86.2 3,000 3,250
RT53 13.6 85.5 2,920 3,160 Heading Die,Punch, Nut Forming Die, Shearing Die, Parts Forming Die, Impact Die, Hot pressing Die, Parts Forming, Knife, etc.
RT54 13.4 84.3 2,880 2,960
RT55 13.1 83.0 2,660 2,800 Heading Die, Nut Forming Die, Impact Die, Punch, Parts Forming Die(Application for Heaviest Impact), etc.
RT56 12.8 82.0 2,580 2,750
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FF type (Fine Grain Tungsten Carbide)

Alloys using fine-grain WC: high-strength and excellent in chipping resistance. Suited to tools that are required to have wear resistance and others. Special blending reduce propagation of thermal cracks due to wire cut or cracks due to stress.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
FF10 14.6 91.0 3,460 5,360 Drawing Tool for Light Impact,Powder Molding, Guide, Wire Drawing Die, Nozzle, Gauge, etc.
FF20 14.3 90.0 3,500 4,800 General Drawing Tool, Punching Tool, Powder Molding, Guide, Cutting Tool, Wire Drawing Die, Core, Roll, Plug, Ring, Blade, etc.
FF40 14.0 88.5 3,780 4,360 Drawing Tool for Heavy Impact, Punching Tool, Punch, Punch for Powder Molding, Cutting Tool, Bender, Die for Powder Molding(Special Configuration), etc.
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RFF type (Corrosion Resistant Fine Grain Tungsten Carbide)

Alloys featuring in that the binder phase of the FF type is reinforced so that excellent charactristics of the FF type are further improved. Since the Co binder phase that may cause corrosion is reinforced, electrolytic corrosion due to wire cut and corrosion after polishing are prevented.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
RFF05
(FF05)
14.8 92.5 2,500 5,980 Drawing Tool for Light Impact, Powder Molding, Guide, Wire Drawing Die, Nozzle, Gauge, etc.
RFF10 14.5 91.5 3,040 5,630
RFF20 14.2 91.0 3,730 5,040 General Drawing Tool, Punching Tool, Powder Molding, Guide, Nozzle, Cutting Tool, Wire Drawing Die, Core, Roll, Plug, Ring, Blade, etc.
RFF40 13.9 89.7 3,730 4,860 Drawing Tool for Heavy Impact, Punching Tool, Punch, Punch for Powder Molding, Cutting Tool, Bender, Die for Powder Molding(Special Configuration), etc.
RFF60 13.7 88.5 3,630 4,320 Upper/Lower Punch for Powder Molding with the edges of easy chipping, Die for Powder Molding of Special Configuration, etc.
RFF70 13.0 87.0 3,590 3,750
RFF80 12.6 85.5 3,530 3,470 Upper/Lower Punch and Die for Powder Molding with the edges of very easy chipping, etc.
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SF type (Super Fine Grain Tungsten Carbide)

Alloys using superfine grain of WC : high-strength, excellent in micro-chipping resistance. Particularly, suited to tools that are required to have wear resistance, and fields in which sharp edges are required.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
SF05 14.5 92.5 2,620 6,280 Powder Molding, Drawing Tool for Light Impact, Wire Drawing Die, Nozzle, etc.
SF20 14.2 91.2 3,350 5,980 Powder Molding, Drawing Tool, Punching Tool for Light Impact, Core, Nozzle, Wire Drawing Die, etc.
SF25 13.9 90.5 3,690 4,890 Tie Bar Cut, Cutting Tool, Punch, Wire Drawing Die, Nozzle, Plug, Drawing Tool, Blade Chip, Cutting Tool, Powder Molding, Core, etc.
SF30 13.7 89.5 3,850 4,330
SF-X 13.1 87.0 3,670 3,450 Heading Die, Punch, Hot Pressing Die, etc.
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RSF type (Corrosion Resistant Super Fine Grain Tungsten Carbide)

Alloys featuring in that the binder phase of the SF type is reinforced so that excellent charactristics of the SF type are further improved. Since the Co binder phase that may cause corrosion is reinforced,elctrolytic corrosion due to wire cut and corrosion after polishing are prevented.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Comp.S.
MPa
Application
RSF05 14.4 93.0 2,750 6,300 Powder Molding, Drawing Tool for Light Impact, Wire Drawing Die, Nozzle, etc.
RSF20 14.1 92.0 3,340 6,170 Powder Molding,Drawing Tool, Punching Tool for Light Impact, Core, Nozzle,W ire Drawing Die,etc.
RSF25 13.8 91.0 3,630 5,350 Tie Bar Cut, Cutting Tool ,Punch,Wire Drawing Die,Nozzle,Plug, Drawing Tool,Blade Chip,Cutting Tool,Powder Molding,Core,etc.
RSF30 13.6 90.5 3,920 5,100
RSF-X 13.0 87.7 4,020 4,160
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SH type (Super Hard Tungsten Carbide)

Carbides harder than WC are dispersed,providing high hardnesses that have been impossible to achieve with conventional alloys.Excellent in heat resistance,corrosion resistance and strength under high tempretures,and powerful for wear-resistant tools and so on at high temperatures.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Application
SH10 13.8 94.7 2,290 Nozzle of various application, Cutting Tool for Light Impact, Drawing Tool for Light Impact, Powder Molding, Wire Drawing Die, Guide, etc.
SH15 13.6 94.0 2,470
SH20 13.3 93.5 2,830
SH25 13.1 93.0 2,850
SH30 12.8 92.0 3,100
SH35 13.0 91.0 3,390
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Q,QS type (Nonmagnetic/Corrosion Resistant Tungsten Cabide)

Alloys featuring in being non-magnetic : suitable for machining of magnetic materials and the like. Composed principally of Ni unlike conventional binder phase,and excellent in heat resistance and corrosion resistance.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Application
QS15 14.5 92.5 2,990 Nonmagnetic Powder Molding Tool, Punch, Corrosion Resisting Tool, Punch, Ring, Cutting Tool, etc
QS25 14.2 90.0 3,300
QS35 14.2 88.5 3,200
QS65 13.5 81.5 2,640
Q2 14.0 90.8 4,400
Q3 13.6 88.5 3,550
Q5 13.7 86.5 3,350
Q7 13.5 84.5 3,300
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WS type (Wear Resistant/Super Corrosion Resistant Tungsten Carbide)

Alloys of superfine grain type featuring in that the binder phase is reinforced. In addition to high wear resistance by high hardness, higher corrosion resistance than that of the RSF type has been achieved by blending a plurality of binder phase reinforcements in good balance.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Application
WS10 14.2 92.0 3,080 Application required Hardness and High Corrosion Resistance
WS20 14.0 91.0 3,450
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GT type (Super Heat Resistant / Corrosion Resistant Tungsten Carbide)

Alloys featuring in that heat-resistant metal is added and solid-solution treated to the conventional binder phase. Quite excellent in heat resistance and corrosion resistance, suited to tools that are required to be used under high temperatures, and others.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Application
GT20 13.6 91.5 2,730 Application required Hardness and Heat/Corrosion Resistance
GT26 13.7 84.5 2,290 Application required Heat/Corrosion Resistance
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DS type (Super Heat Resistant / Super Impact Resistant Tungsten Carbide)

Quite excellent in cold and hot shock resistance because of use of special materials. Since the binder phase is reinforced, heat resistance and corrosion resistance are also improved. Provides optimum material for hot forging tools etc. that are required to have heat resistance and shock resistance.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Application
DS28 14.1 84.5 2,170 Hot Forging Tool,etc.
DS40 13.7 82.5 2,200
DS60 12.9 80.5 2,330
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TN/TW type (Cermet/Titamet)

Alloys composed principally of TiC. Lightweight, high strength under high temperatures and good at oxidizability. Small in affinity with iron, and capable of obtaining high wear resistance and beautiful finish surfaces in steel cutting.
Material
grade
Density
g/cm3
Hardness
HRA
T.R.S.
MPa
Application
TN3 6.7 92.0 1,930 Cutting Tool, Powder Molding, Wire Drawing Die, Nozzle, Rail, etc.
TW4 7.1 90.0 2,350 Center Chip, Rail, Guide, etc.
TW5 7.5 87.0 2,240
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Cupper Tungsten (Cu-W) / Silver Tungsten (Ag-W)

Electrode for EDM on Tungsten carbide and Steel.
Material Material
grade
Density
g/cm3
Hardness
HRB
Conductivity
IACS%
Application
Cu-W CW-2 13.6 - 14.0 91 45 Electrode for EDM on Tungsten Carbide and Steel
Ag-W AW-2 14.8 - 15.0 94 51 Electrode for High Precision EDM on Tungsten Carbide
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HV/CV type (High Density Alloy)

Composed principally of a metal tungsten(W), high in specific gravity and excellent in strength and rigidity, thus suitable as materials of balance weight for rotation inertial body, Moreover, good at radiation absorptivity. CV type is non-magnetic,and suited to component parts that are required to have non-magnetism and corrosion resistance and so on.
Material
grade
Density
g/cm3
Application
HV18 18.2 High Density Weight, Balancer, Radiant Rays Shield, etc.
CV18 18.0 Application required High Density and Corrosion Resistance, Radiant Rays Shield, etc.
HV28 17.2 Application required High Density and Strength, Shank, etc.
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MV type (Super Heat Resistant Alloy)

Composed principally of a metal tungsten(W), having high-strength and high-rigidity, and moreover high-heat conductivity and low expansion coefficient, thus suitable for tools and mold materials for high-temperature like aluminium die casting.
Material
grade
Density
g/cm3
Thermal Exp.
10-6/K
Application
MV17 17.2 5.5 Tool for Die Casting, Fixture for Hot Forging, Fixture for Welding, etc.
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