Page 14 - CITS - Welder - Trade Practical

CONTENT

Ex. No. Table of Contents Page No.

Module 4: Repair and Maintenance
27 Square butt joint on stainless steel sheet 3mm thick in flat position (OAW) 116

28 Arc gouging on MS plate 10mm thick (AG-01) 118
29 Single “V” butt joint on cast iron plate 6mm thick in flat position (SMAW) 120
30 Hard facing practice on MS round rod 25mm - by using hard facing 123
31 Silver brazing on S.S. sheet with copper 126
32 Silver brazing on copper tube to tube (OAW-04) 128

44 Fusion welding of cast iron butt weld, cast iron block 150 x 50 x 10mm-
position flat 134

45 Bronze welding of single “V” butt joint on cast iron plate 6mm thick plate (OAW) 136
Module 5: Pipe Welding

33 Pipe butt joint on MS pipe ø50mm wall thickness 6mm flat position (SMAW) 139
34 Pipe tee joint on M.S. pipe (flat position) 143
35 Pipe welding 45° angle joint on M.S.pipe ø50mm & 3mm wall thickness (SMAW) 146
36 Pipe butt joint on MS pipe ø50mm wall thickness 6mm (1G Rolled) position
(SMAW-23) 149
37 Dye penetrant test 153
38 Pipe butt weld butt joint on MS pipe 25mm o.d. 3mm w.t. position 2G vertical arc
welding 155
39 Inspect and clear using LPI testing during root pass and cover pass 157
40 Pipe butt weld butt joint on MS pipe 25mm o.d. 3mm w.t. horizontal position
5G (fixed) - arc welding 159
41 Inspect and clear using LPI testing during root pass and cover pass 161
42 Weld of pipes (schedule 80) in 6G position by SMAW 163
43 Inspect and clear using LPI testing during root pass and cover pass 165

46 Pipe joints 167
47 Illustrate study of welding drawings 170

48 Illustrate study of welding codes & standards 172
Module 6: GMAW

49 Set up and monitor GMAW welding machine & accessories 175
50 (A) Perform Lap joint on M.S. plate (10 mm. thick plate) in flat position by GMAW 178
50 (B) Perform Tee joint on M.S. plate (10 mm thick plate) in flat position by GMAW 181
51 Construct & evaluate single ‘V’ butt joint on M.S. plate (10 mm. thick plate) in
flat position by GMAW 185
52 (A) Fillet weld - Lap joint on MS sheet 3mm thick in flat position by dip transfer 1F 188

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