Table 1 Materials and specifications used for the welding experimentation
S/no | Material specification | Welding specification |
|---|---|---|
1 | Welding type | Tungsten inert gas (TIG) |
2 | Material | AISI 1020 low carbon steel plate |
7 | Material thickness | 10 mm |
8 | Filler material | ER 70 S-6 |
9 | Joint type | Butt joint (V-groove) |
10 | Joint preparation | Abrasive clean (sandpaper)/acetone wipe |
11 | Joint gap | 2 mm |
12 | Welding current | DCEN (direct current electrode negative) |
13 | Pulse width | 0.8 s |
14 | Filler rod angle | 15° |
15 | Welding torch angle | 45° |
16 | Fixed frequency | 60 Hz |
17 | Torch type | Pro-torch (TIG torch) |
18 | Tungsten type | 2% thoriated |
19 | Tungsten size | 3/1326″ diameter × 25.4 mm |
20 | Torch gas | Argon (100%) |
21 | Heat input ratio | 10.75 kJ/min |
22 | Weight of filler rod | 78.5 kg/m2 |
23 | Welding machine | Dynasty 210 DX |
24 | Clamp type | G-clamp for clamping the workpiece |
25 | Vertical milling machine | For milling the V-groove angle |