Welding & Fabrication

Welding & Fabrication Services in Canada

Our network of CWB-certified Canadian welding and fabrication shops delivers everything from precision TIG-welded assemblies to large structural weldments. We match your project to the right process - MIG, TIG, robotic, or specialty - and the right certified shop.

Canadian supplier network ISO 9001:2015 Vetted suppliers

Welding & Fabrication in Canada: The Complete Guide

Welding and fabrication is the backbone of Canadian manufacturing. From structural steel for infrastructure projects to precision TIG-welded aerospace assemblies, Canadian fabrication shops serve every sector of the economy. The Canadian Welding Bureau (CWB) certification system ensures that shops and individual welders meet rigorous quality standards.

Canada’s fabrication industry is distributed nationally, with heavy concentrations in the industrial corridors of Ontario, Alberta, and Quebec. This geographic spread means capacity is available close to where parts are needed - reducing shipping costs and turnaround times for projects of any scale.

Why Choose Canadian Welding & Fabrication

CWB certification. Canada’s welding certification program is one of the most rigorous in the world. CWB-certified shops maintain documented weld procedures, qualified welders, and quality management systems that ensure consistent, inspectable joints.

Multi-process capability. Canadian fabrication shops typically offer laser cutting, forming, welding, machining, and finishing under one roof. This vertical integration reduces lead times and eliminates inter-vendor logistics for complete assemblies.

Workforce depth. Canada produces thousands of certified welders annually through its trades college system. This deep talent pool means shops can scale capacity for large projects without compromising quality or delivery timelines.

Specifications

Welding & Fabrication at a Glance

Certifications
  • ISO 9001:2015
  • CWB (Canadian Welding Bureau) W47.1
  • CWB W47.2 (Aluminum)
  • CSA W59 (Structural Steel)
  • AWS D1.1 (Structural Welding)
  • ASME Section IX (Pressure Vessels)
Tolerances
Standard
+/- 1.0 mm
Precision
+/- 0.25 mm (fixture-welded)
Lead Times
Prototype
3–7 business days
Production
7–15 business days
Network
Closed Beta

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Available Materials

Mild Steel (A36, 44W) Stainless Steel (304, 316, 17-4PH) Aluminum (6061, 5052, 7075) Titanium (Grade 2, Grade 5) Inconel & Nickel Alloys Copper & Bronze Chromoly (4130)

Industries We Serve

Construction & Infrastructure
Oil & Gas
Mining
Aerospace
Defence
Transportation
Agriculture

Frequently Asked Questions

What welding certifications should I look for in Canada?
CWB certification under CSA W47.1 (steel) and W47.2 (aluminum) is the Canadian standard for structural welding. For pressure vessels, ASME Section IX certification is required. Aerospace applications typically require AWS D17.1 or NADCAP welding accreditation. All providers in The Assembly network carry the certifications relevant to their specialty.
How much does welding and fabrication cost in Canada?
Shop rates for welding in Canada typically range from $85 - $150 per hour depending on the process and material. TIG welding commands a premium over MIG due to the slower speed and higher skill requirement. Complete fabricated assemblies are typically quoted per unit based on material, labour, and finishing requirements.
What is the difference between MIG and TIG welding?
MIG welding (GMAW) uses a continuous wire feed and shielding gas for fast deposition - ideal for production work on steel and aluminum. TIG welding (GTAW) uses a non-consumable tungsten electrode with manual filler rod for precise, clean welds - preferred for thin materials, cosmetic joints, and exotic alloys like titanium and Inconel.
Can you weld 3D-printed metal parts?
Yes. DMLS and SLM metal parts can be welded to conventionally manufactured components, though it requires careful consideration of the print material, post-print heat treatment, and weld procedure. Stainless steel and titanium 3D-printed parts are commonly welded in aerospace and medical applications.

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