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Metal Fabricator (Fitter) (431A)

Layout, cut, fit, and weld structural steel and plate for buildings, bridges, and industrial projects.

Full exam prep for this trade is coming soon. Sign up to get notified when practice questions and mock exams are available.

A Red Seal endorsement is a seal on your provincial or territorial trade certificate. It shows you have the knowledge and skills to practice your trade across Canada — earned by passing the interprovincial Red Seal exam.

What this trade covers

Layout, cut, fit, and weld structural steel and plate for buildings, bridges, and industrial projects.

Exam format

  • 120 multiple-choice questions
  • 4-hour time limit
  • 70% required to pass
  • Closed-book
  • 130 questions, 4 hours, 70% to pass
  • Questions align with the Red Seal Occupational Standard (RSOS)

Exam blueprint (RSOS)

Questions are distributed across major work activities defined in the Red Seal Occupational Standard — the same breakdown used on the official exam.

Block A

Performs common occupational skills

34 Qs · 26%
Block B

Fabricates components

56 Qs · 43%
Block C

Assembles components

40 Qs · 31%

Official Red Seal resources

Source material from the Red Seal Program — administered by the Canadian Council of Directors of Apprenticeship (CCDA).

Ready to prepare for your 431A exam?

Practice by RSOS block, run timed mock exams, and track readiness — aligned with the official 120-question blueprint.