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Tungsten Copper Plate

Tungsten Copper Plate
Tungsten Copper Plate
Product Code : 46
Product Description

Present as a chief manufacturer and supplier of existing market, we are actively engaged in offering a wide range of Tungsten Copper Plate. This plate is widely used as reflection shield, applied in the sapphire growth furnace. Tungsten tape can also used as heating tape, connecting pieces, tungsten boats, crucibles, tungsten electrodes, sintering trays, stacking sheets applied in vacuum furnace. Manufactured in compliance with set industry standards, Tungsten Copper Plate is also used as sputtering target applied in the technology of coating manufacturing and chemical vapor deposition.

Features:

  • High structure stability
  • Uniform tolerance
  • Excellent temperature resistance

Technical Specification :

RWMA Group A
CuCr and CuCrZr

Content (%wt.)

Density (g/cm3)

Conductivity (%IACS)

Hardness (HRB)

RWMA

Cr: 0.6-1%

8.9

70

85

Class 2

Cr: 0.5-1.5%, Zr: 0.05-0.25%, Cu: balance

8.9

80

80

Class 2

Production process : Vacuum casting - hot forging - solid solution processing - cold forging, heat treatment - final processing

Application :

Parts for resistance welding equipment, electrode rods, shaft and packing materials, or as moulds for large convex welding machines, welding electrodes, seam welding wheels, electrode holders, plastic mould parts.

Nickel Silicon Copper

Composition

Density (g/cm3)

Conductivity (%IACS)

Hardness (HRB)

RWMA

Si: 0.60-1.1% Ni: 2.4-3.4% Cu: balance

8.83

40

90

Class 3

Production Process  : Vacuum casting - hot forging - solid solution processing - cold forging, heat treatment - final processing

Application
Silicon bronze electrodes, parts for resistance welding equipment, electrode rods, shaft and packing material, or as moulds for large convex welding machines, welding electrodes, seam welding wheels, electrode holders, plastic mould parts.
CuCo2Be

Content (%wt.)

Density (g/cm3)

Conductivity (%IACS)

Hardness (HRB)

RWMA

Be: 0.40-0.70% Co: 2.40-2.70% Cu: balance

8.83

45

95

Class 3

Production Process : Vacuum casting - hot forging - solid solution processing - cold forging, heat treatment - final processing

Application
Resistance welding electrodes, parts for resistance welding equipment, electrode rods, shaft and packing materials, or as moulds for large convex welding machines, welding electrodes, seam welding wheels, electrode holders, plastic mould parts.

RWMA Group B

Refractory Metal
Tungsten copper
:

Composition

Density (g/cm3)

Hardness (HRB)

Conductivity (%IACS)

RWMA

W50Cu50

11.9

65

54


W55Cu45

12.5

70

49

Class 10

W70Cu30

14.1

82

42


W75Cu25

14.5

90

38

Class 11

W80Cu20

15.2

98

34

Class 12

W85Cu15

15.9

240HB

30


W90Cu10

16.75

260HB

27


Application
Stainless steel, steel net, barbed wire, copper strip, aluminum tape, silver cord

Tungsten

Composite (%wt.)

Density (g/cm3)

Hardness (HRC)

Electrical Conductivity (%IACS)

Class

RWMA

Comparison

W 99.95

19.3

36

30

13

13.743

High temperature resistance

W-Ce (CeO2:2%)

19.2





Low electric discharge power, fine arc-starting performance, excellent arc erosion resistance, longer service life

W-La (La2O3: 1-2%)

19.2





Low electric discharge power, easy for machining

Production Process : Powder mixture - CIP - sintering - forging - final processing

Application :
Tungsten electrode, tungsten-faced electrode used for plasma discharge electrode, fusion electrode, micro TIG welding electrodes and resistance welding electrodes. Used for welding copper wires, enameled wire, copper lug, copper foil.

Molybdenum

Comparison (wt.%)

Density (g/cm3)

Hardness (HRB)

Electrical Conductivity (%IACS)

RWMA

Comparison

Mo  99.95

10.2

90 HRB

30

14.423

Superior electrical and thermal conductivity

TZM (Ti: 0.5%, Zr: 0.08%, C: 0.02%)

10.17




High thermal and creep resistance

Mola (La2O3: 0.1 -1.8%)

10.19





Production Process : Powder mixture - CIP - sintering - forging - final processing

Application :
Molybdenum electrode, molybdenum-faced electrode, micro TIG welding electrodes, resistance welding electrodes, used for welding copper wire, enameled wire, copper lug, copper foil, PCB circuit board wire and stainless steel.


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