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Tungsten Electrodes

Tungsten, Tungsten Copper & Beryllium Copper Electrodes

For EDM applications imported make Tungsten Copper, Pure Tungsten, Beryllium Copper, Chromium Copper, Silver Tungsten & Molybdenum alloys of various composition, shapes & sizes are available.

Alloy

Form

Principle Elements

RWMA

Hardness Rockwell

Electrical Conductivity % I.A.C.S

Ultimate Strength P.S.I

Elongation% in 2

Annealing Temp C

Density Gms/c c

Chromium Copper

CAST WROUGHT

Chromium Copper

Group A
Class 2

70B
83B

85
85

50, 000
75,000

20
15

500
500

8.96

Beryllium Copper

CAST WROUGHT

0.55% Beryllium Copper

Group A
Class 3

95B
100B

48
48

95,000
1,10,000

6
10

500
500

8.96

2% Beryllium Copper

CAST WROUGHT

2% Beryllium Copper

Group A
Class 4
(17200)

35C
40C

20
23

1,10,000
1,75,000

2
4

375
375

8.30

N56 WC Tungsten Copper

SINTERED

56:44cu

Group B
Class 10

72-82B

50-60%





12.6

N64 WC Tungsten Copper

SINTERED

68w:32Cu

Group B
Class 10

85-92B

48-53%




13.96

N70 WC Tungsten Copper

SINTERED

70W:30Cu

Group B
Class 10

85-92B

47-52%




14.18

N75 WC Tungsten Copper

SINTERED

75W:25Cu

Group B
Class 11

88-95B

42-50%




14.80

N80 WC Tungsten Copper

SINTERED

80W:20Cu

Group B
Class 12

96-99B

41-49%




15.60

N50 WA Tungsten Copper

SINTERED

50W 50Ag


50-60B

62-70%




13.48

N65 WA
Silver Tungsten

SINTERED

65W 35Ag


80-87B

50-56%




14.77

N78 WA

SINTERED

78W 22Ag


90-100B

48-53%




16.00

N100w Tungsten

SINTERED

100%W

Group B
Class 13

69A

31%




19.28

N100m Molybdenum

SINTERED

100%Mo

Group B
Class 14

89B

30%




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