Metal Inert Gas / Metal Active Gas / Gas Metal Arc Welding.
Both destructive testing (tensile, bend, impact) and Non-Destructive Testing (NDT) such as visual, magnetic particle, penetrant, radiographic, and ultrasonic testing. cswip 3.1 welding inspector course materials pdf
Imperfect shape and dimensions (undercut, overlap, excess weld metal). Welding Processes Metal Inert Gas / Metal Active Gas / Gas Metal Arc Welding
| Topic | Key Subtopics | |-------|----------------| | | Parameters, variables, equipment for SMAW, GMAW, FCAW, GTAW, SAW | | Welding Symbols | ISO 2553 (elementary symbols, supplementary symbols, dimensions) | | WPS & PQR | Understand content, validity, essential variables (ISO 15614-1) | | Welder Qualification | ISO 9606-1 ranges of approval (thickness, diameter, positions) | | Defects | BS EN ISO 6520-1 classification, causes, remedies (cracks, slag, porosity, lack of fusion) | | NDT | Visual inspection (VT), PT, MT, RT, UT – principles, applications, limitations | | Materials | Carbon steels, low alloy steels, stainless steels – identification, heat tint, hardness | | Codes & Standards | ISO 5817 (quality levels B, C, D), ASME IX, API 1104 (basics) | Welding Processes | Topic | Key Subtopics |
: Identification and prevention of surface and internal flaws like undercut, porosity, cracks, and lack of fusion. Testing Methods :
