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Fotma Tungsten Alloy Tungsten Heavy Alloy Rods GMW Alloy/Tungsten copper alloy rod/tungsten copper alloy tube/plate

Categories Tungsten Heavy Alloy
Brand Name: FOTMA
Model Number: WHAs
Certification: ISO9001:2008
Place of Origin: P.R. China
MOQ: 1 pcs
Price: Negotiable
Payment Terms: T/T, L/C, Western Union, PayPal
Supply Ability: 10000pcs/month
Delivery Time: 20-25 days after deposit
Packaging Details: Paper cartons or plywood boxes
W Content: 90% to 97%
Other Elements: Ni Fe or Ni Cu
Diameter: 1.0 - 100mm
Surface: Machined, Ground
Density: 17 - 18.5 g/cc
Tolerance: +/-0.05 - 0.1mm
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Fotma Tungsten Alloy Tungsten Heavy Alloy Rods GMW Alloy/Tungsten copper alloy rod/tungsten copper alloy tube/plate

ASTM Standard Tungsten Heavy Alloy Rods GMW Alloy 1.0mm to 100mm For Balance Rod


Tungsten Heavy Alloys (WHAs) are tungsten alloys that typically contain 90 to 98 wt% W. Most commercial tungsten alloys are two-phase structures, the principal phase being nearly pure tungsten in association with a binder phase containing the transition metals plus dissolved tungsten. As a consequence, WHAs derives their fundamental properties from those of the principal tungsten phase, which provides for both high density and high elastic stiffness. It is these two properties that give rise to must applications for this family of materials.


The current uses of tungsten heavy alloy (WHAs) are spanning a wide range of consumer, industrial, and government applications


Brief Introduction of Tungsten Heavy Alloy Rods:


Code: GMW
Density: (17-18.5) g/cm3
Main Component: W (88-98)% with the addition of nickel and copper or nickel and iron, etc.

Diameter: 1.0mm to 100mm

Length: Max 600mm

Surface Condition: Machined, Ground


Advantages of Tungsten Alloy Rods:


-High density
-Excellent mechanical properties such as high vibration-damping capacity and high Young's modulus.
-Excellent radiation-shielding property
-High thermal conductivity with low thermal expansion coefficient


Applications of Tungsten Heavy Alloy:


· Protection shields for nuclear radiation such as PET syringe shield, vial shield, isotope container, FDG container, multi leaf collimator
· Balancing weights such as tungsten sinker bar, heavy metal boring bar, vessels crank camshafts, holders for well logging, racing weights, vibration damping and dynamic balancing weights
· Substitutional material for Uranium
· Electroheat upsetting anvil block
· Balls in bomb
· High voltage electrical contact
· Electrodes for Resistance Welding


Properties of Tungsten Heavy Alloy ( AMS-T-21014 ):


Class

Nominal tungsten (weight percent)

Density (g/cc)

Hardness ( HRC )(maximum)

1

90

16.85 - 17.25

32

2

92.5

17.15– 17.85

33

3

95

17.75– 18.35

34

4

97

18.25– 18.85

35


Mechanical Properties – Minimum Value ( AMS-T-21014 ):


Class

Ultimate tensile strength ( ksi)

Yield strength at 0.2percent offset (ksi)

Elongation( percent )

1

110

75

5

2

110

75

5

3

105

75

3

4

100

75

2


Copper Tungsten alloy combines the properties of both metals, resulting in a material that is heat-resistant, ablation-resistant, highly thermally and electrically conductive, and easy to machine.


Tungsten copper (Cu-W) Alloy is the composite of tungsten and copper which own he excellent performance of tungsten and copper. It is used widely in such industries as engine, electric power, electron, metallurgy, spaceflight and aviation.


Main Sizes of Tungsten Copper Alloy Rods:


Diameter: 1 - 100 mm

Length: 50 - 500mm
Diameter Tolerances: +/-0.05mm, +/-0.1mm

Length Tolerances: +/- 0.1mm, +/-0.5mm


Advantages of WCu Alloy Rods:


High thermostability
High arc resistance
High strength

Good electrical conductivity

Lighter weight than pure tungsten


Specifications of Copper Tungsten Alloy:


Code No.Chemical Composition %Mechanical properties
CUImpurityWDensity
(g/cm3 )

Hardness
HB
RES(cm)
Conductivity
IACS/ %

TRS/ Mpa
CuW(50)50+2.00.5Balance11.851153.254
CuW(55)45+
2.0
0.5Balance12.301253.549
CuW(60)40+2.00.5Balance12.751403.747
CuW(65)35+2.00.5Balance13.301553.944
CuW(70)30+2.00.5Balance13.801754.142790
CuW(75)25+2.00.5Balance14.501954.538885
CuW(80)20+2.00.5Balance15.152205.034980
CuW(85)15+2.00.5Balance15.902405.7301080
CuW(90)10+2.00.5Balance16.752606.5271160

Customized Tungsten Copper Alloy Tubes / Pipes Surface Machined For Spark Erosion


Tungsten copper tubes are widely used in machinery, electronics, and aviation, aerospace, military and other fields.


Copper Tungsten Alloy uses the excellent metal characteristics of the high pure tungsten powder and the plasticity and high conductivity of the high pure copper powder to produce composite materials with static pressure molding, high temperature sintering and the the solution process of the copper infiltration technology.


These materials have some advantages: the arc ablation resistance, good thermal conductivity, and small thermal expansion, not soften in high temperature, softening, high strength, high density, high hardness etc.


Advantages of Copper Tungsten Tubes:

High arc resistance combined with good electrical conductivity
Low thermal expansion.
Strong hardness(86~93.5HRA)

High thermal conductivity


Applicatioins of Tungsten Copper Alloy:


Copper tungsten is very popular used in the EDM, since it has both tungsten and copper's character so it has very good wear resistance. Our copper tungsten alloy is made by vacuum infiltration technology. which has very good physical and mechanical properties.


Electrodes for Resistance Welding


Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors

Electrodes in electric spark erosion cutting machines

Heat sinks as passive cooling elements of electronic devices
For the spark erosion of dies or cemented carbide making for high speed steel and switches and contacts in high and low voltage electrical devices.

Special shape products are produced as per customer's drawing.


Specifications of WCu Alloy Pipes:


ItemComposition(by wt. )Density(g/cm3 )

Electrical conductivity

(% IACS)

Hardness (HRB)
1Tungsten: 55%Copper: balance12.34970
2Tungsten: 60%Copper: balance12.754776
3Tungsten: 65%Copper: balance13.34482
4Tungsten:70%Copper: balance13.94288
5Tungsten: 75%Copper: balance14.53894
6Tungsten: 80%Copper: balance15.23498

Sizes of Tungsten Tubes:


Diameter (mm)Wall thickness (mm)Length (mm)
30-502–10<1300
50-1003–15
100-1503–15
150-2005–20
200-3008–20
300-4008–30
400-4508–30
450-5008–30

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