Sr. No

EM Coil Type

Coil Current (kA)

Central B Field (T) (without job)

Leak rate

(m.bar.L/s)

Freq.

(kHz)

Weld length/Coil life

1

Be-Cu

240

25

<10 - 9

13

No weld

2

Be-Cu

250

26

~10 - 9

13

Weld length [2 - 3 mm]

Coil life ~10 shots

3

Be-Cu

260

27

~10 - 9

13

Weld length [4 - 7 mm]

Coil life [6 - 8 shots]

4

Be-Cu

270

28

~10 - 9

13

Weld length [5 - 8 mm]

Coil life-3 shots (max)

5

Be-Cu

280

29

~10 - 9

13

Weld length [5 - 8 mm]

Coil life-single shot

6

Be-Cu

260

28

~10 - 9

39

Weld length [5 - 8 mm]

Coil life-3 shots

7

Cu

260

27.5

~10 - 9

14

Weld length [4 - 7 mm]

Coil life-single shot