Table 7 The electrical properties testing results by both the resistomat device and the eddy’s current method.

Sp. no	Sp. symbol	Welding mode	Electrical conductivity by Resistomat (IACS)	Average conductivity (IACS)	Conductivity applying Eddy’s current method (MS/m)
Sp. no	Sp. symbol	Welding mode	Electrical conductivity by Resistomat (IACS)	Average conductivity (IACS)	Measuring from the ends	Measuring from the welding area
1	A0	Control	101.30	101.30	59	59
2	A₁	Q6	100.77	100.74	59	58
3	A₂		100.75
4	A₃		100.68
5	B₁	Q6 preheated	100.48	100.55	59	57
6	B₂		100.34
7	B₃		100.50
8	C₁	Q5	100.53	100.44	59	57
9	C₂		100.63
10	C₃		100.47
11	D₁	Q5 preheated	100.33	100.38	59	57.5
12	D₂		100.37
13	D₃		100.42
14	E₁	Q4	100.01	99.02	59	55
15	E₂		98.87
16	E₃		98.18
17	F₁	Q4 preheated	99.04	98.15	59	54.5
18	F₂		98.25
19	F₃		97.16

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