AWS CWI 9-Yr Recert case studies
AWS CWI 9-Yr Recert · Put your knowledge to work in context.
The AWS Certified Welding Inspector (CWI) is a professional credential offered by the American Welding Society. AWS describes it as a credential that "advances careers and ensures quality with flexible training options," and it sits within a broader family of AWS professional certifications that also includes the Senior Certified Welding Inspector (SCWI), Certified Welding Supervisor (CWS), Certified Welding Educator (CWE), and Certified Associate Welding Inspector (CAWI). The AWS CWI 9-Yr Recert case studies are 5 cases and about 2,076 words.
1Fillet Weld Size Dispute on a D1.1 Skid Frame
A fabricator is building a welded structural-steel skid to AWS D1.1. The EOR's drawings call out a 6 mm (1/4 in) fillet on a T-joint between a 12 mm plate and a 20 mm plate, both ASTM A36.
545 words, about 3 min2Aluminum GMAW Porosity on a D1.2 Chassis
A shop welding a 6061-T6 aluminum chassis to AWS D1.2 reports scattered porosity on fillet welds made with ER5356 filler. The welds are 5 mm fillets on 6 mm plate, welded with pulsed GMAW.
466 words, about 2 min3Fracture-Critical Bridge Splice Under D1.5
A bridge fabricator is making a complete-joint-penetration groove weld splice in a 25 mm flange of a fracture-critical member to AWS D1.5. The WPS is qualified, but the CWI notices the backing is removed and the root is back-gouged, and the UT report shows a few small indications near the root.
369 words, about 2 min4Railcar Truck Frame Weld Repair Under D15.1
A railcar repair shop is repairing a cracked weld on a cast steel truck frame to AWS D15.1. The crack is 40 mm long in a fillet weld joining a bracket to the frame.
360 words, about 2 min5Aerospace D17.1 Fusion Weld Acceptance and NDE Coordination
An aerospace supplier is welding a thin-wall 15-5 PH stainless bracket to AWS D17.1. The weld is a 1.5 mm GTAW autogenous butt weld.
336 words, about 2 min