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 grade	Density g/cm³	Hardness HRA	T.R.S. MPa	Comp.S. MPa	Application
G1A	VM20	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	VM20	15.1	92.0	2,980	5,930
G2	VM30	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	VM40	14.7	90.0	3,240	4,700
G4	VM40	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	VM50	14.2	87.2	3,160	4,070
G6	VC60	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	VC70	14.0	84.5	2,700	3,200
S6	VC70	13.6	84.5	2,850	3,120
G7	VC70	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	VC70	13.5	83.5	2,700	2,900
G8	VC70	13.4	83.0	2,690	2,750
G9	VC70	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	VC80	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 grade	Density g/cm³	Hardness HRA	T.R.S. MPa	Comp.S. MPa	Application
5F	VC60	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	VC60	14.2	86.0	2,910	3,230
F65	VU60	13.9	84.5	2,700	3,020
7F	VU70	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	VU70	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	Application required Hardness and High Corrosion Resistance

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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	Center Chip, Rail, Guide, etc.

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Copper 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 - 14.7	90	45	Electrode for EDM on Tungsten Carbide and Steel
Ag-W	AW-2	14.3 - 15.3	80	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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(*)JIS classification is based on JIS (Japanese Industrial Standards) B4054.