CWB Welding Inspector Level 2 case studies
CWB Welding Inspector Level 2 · Put your knowledge to work in context.
The CWB Welding Inspector Level 2 designation is a professional credential in the CWB Group's inspector certification family, intended for people who verify welded fabrication against code requirements on behalf of fabricators, owners, or inspection organizations. Candidates are typically working inspectors, welding coordinators, supervisors, or quality personnel who already read drawings and codes daily and want formal recognition of broader technical judgment. The CWB Welding Inspector Level 2 case studies are 5 cases and about 2,081 words.
1Fillet Weld Size on a Stiffener Under Cyclic Loading
A fabricator is welding 12 mm stiffener plates to the web of a 25 mm thick built-up girder using a 6 mm leg fillet, single pass, GMAW short-circuit transfer with ER70S-6 wire and a 75% Ar/25% CO2 shield. The drawing calls for a 6 mm fillet, minimum.
402 words, about 2 min2Preheat Decision for a Thick Section Repair
A repair is needed on a 50 mm thick A516 Grade 70 pressure-vessel shell. The ambient shop temperature is 8 C.
398 words, about 2 min3Symbol Misread on a Skewed T-Joint
A shop drawing shows a T-joint between a 10 mm plate and a 20 mm plate. The welding symbol has an arrow with a break, pointing to the near side of the joint, and a fillet symbol on the arrow side with a size of 8 mm and a length of 75-25.
456 words, about 2 min4Porosity Cluster Found by RT on a Pipe Butt Weld
A 150 mm nominal bore, 8 mm wall carbon steel pipe butt weld is examined by radiography. The film shows a cluster of rounded indications in the root region over a 12 mm length.
420 words, about 2 min5Welder Qualification Range on a Thickness Change
A welder qualified with a 10 mm test coupon in the 6G position using GTAW root and SMAW fill is assigned to weld a 20 mm thick pipe in the 6G position using the same process combination. The qualification record shows the test passed RT and bend tests.
405 words, about 2 min