Table 6 The mechanical testing results.
Sp. No | Sp. symbol | Welding mode | Input Heat (J) | Tensile stress (MPa) | Average tensile stress (MPa) | Elongation% | Average Elongation % |
|---|---|---|---|---|---|---|---|
1 | A0* | Control | --- | 232.809 | 232.809 | 40 | 40 |
2 | A1 | Q6 | 746.14 | 219.856 | 220.602 | 35 | 34.66 |
3 | A2 | 218.345 | 33.5 | ||||
4 | A3 | 223.604 | 35.5 | ||||
5 | B1 | Q6 preheated | 746.14 | 220.173 | 217.709 | 36.2 | 36.1 |
6 | B2 | 219.531 | 35.48 | ||||
7 | B3 | 213.425 | 36.62 | ||||
8 | C1 | Q5 | 534.22 | 216.586 | 219.521 | 31.48 | 31.66 |
9 | C2 | 222.584 | 32 | ||||
10 | C3 | 219.393 | 31.5 | ||||
11 | D1 | Q5 preheated | 534.22 | 211.123 | 216.823 | 34.1 | 33.42 |
12 | D2 | 220.692 | 32.5 | ||||
13 | D3 | 218.654 | 33.66 | ||||
14 | E1 | Q4 | 357.62 | 204.005 | 203.371 | 21.63 | 20.85 |
15 | E2 | 202.533 | 20.01 | ||||
16 | E3 | 203.575 | 20.91 | ||||
17 | F1 | Q4 preheated | 357.62 | 200.120 | 199.228 | 23.5 | 25.23 |
18 | F2 | 198.875 | 26.22 | ||||
19 | F3 | 198.689 | 25.97 |
