Red Seal Welder case studies
Red Seal Welder · Put your knowledge to work in context.
The Red Seal Welder credential is the interprovincial certification that recognizes a welder as qualified to work across Canada without further trade examination. It is earned by apprentices who complete their provincial or territorial program and pass the Red Seal interprovincial examination, or by experienced tradespeople who challenge the exam through the recognized pathway in their jurisdiction. The Red Seal Welder case studies are 5 cases and about 3,579 words.
1Delayed Cracking in an A514 T-1 Plate Girder
A shop is building a 900 mm deep plate girder. The flanges are 25 mm ASTM A514 Gr.
697 words, about 3 min2Conical Hopper Layout and Weld Metal Estimate
You are laying out a conical transition for a hopper from 6 mm ASTM A36 sheet. The finished part is a frustum with a 1200 mm inside diameter at the top, 400 mm inside diameter at the bottom, and a vertical height of 800 mm.
716 words, about 4 min3Radiograph and UT Results on a Pressure-Vessel Butt Weld
A submerged-arc double-V butt weld in 20 mm ASTM A516 Gr. 70 shell plate is 100% radiographed and ultrasonically tested.
734 words, about 4 min4Oxy-Fuel Bevel Quality and Arc-Gouged Crack Repair
A CNC oxy-fuel table with a bevel head is cutting 30° bevels for a single-V butt in 50 mm ASTM A36 plate. Ambient plate temperature is 5 °C and patches of the plate are rusty.
739 words, about 4 min5FCAW Porosity and a Proposed Wire Switch
A fabricator is running 8 mm flux-cored fillets on 12 mm ASTM A36 with 1.2 mm E71T-1 wire, CO2 shielding gas at 16 L/min, DCEP, 25 V and 210 A. Halfway through the shift the welder reports elongated wormhole porosity running down the centre of the bead, an occasional pop, and one birdsnest at the drive rolls.
693 words, about 3 min