Tungsten Copper

Introduction

Tungsten copper is a kind of pseudo alloy that combine the characteristics of W and Cu. Tungsten has high melting point (W-3410℃, Cu-1083℃), high density (W-19.34g/cm3, Cu-8.92g/cm3); copper has excellent electrical and thermal conductivity. So tungsten copper material has many advantages, such as high strength, arc erosion resistance, which can be widely used in electrical alloy, EDM electrode and micro-electronic materials.

tungsten copper rod picture tungsten copper rod picture

Characteristic

Property

Density

CTE 10-6/℃

λ/K w/m·k

Specific Heat

Elastic Modulus

Poisson Density

Melting Point

Strength

W

19.32g/cm3

4.5

174

136J/kg·℃

411GPa

0.28

3410℃

550MPa

Cu

8.93g/cm3

16.6

403

385J/kg·℃

145GPa

0.34

1083℃

120MPa

Grade

Grade

Density/ g·cm-3

Tensile Strength/MPa

Hardness (HB)

Conductivity/MS·m-1

Applications

Room

1600℃

WCu7

17.3~17.8

400~750

50~120

-

1

Nozzle, gas vane

WCu10

16.8~17.3

400~700

60~100

-

Nozzle, gas vane

WCu15

16.0~16.5

300~600

-

Contacts, electrode, linear

WCu20

15.1~15.5

-

180~220

20

Contacts, electrode

WCu30

13.7~14.2

170~200

25

Contacts, electrode

WCu40

12.7~13.2

140~160

29

Contacts, electrode

WCu50

11.7~12.2

110~130

33

Contacts, electrode

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