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Guide · June 2026

Welding Repairs: When to Fix It and When to Replace It

How we decide between repair and refabrication, what each costs, and how fast rush work turns around.

Heavy steel fabrication in the Dan's Welding shop in Burlington, the kind of work behind industrial repair jobs

The call usually comes in before nine in the morning. A machine is down, a weld has cracked, a bracket has sheared off, and every hour it stays broken costs more than the part ever did. We've been taking that call at our Burlington shop for 65 years, and the first question is always the same: can this be repaired, or does it need to be replaced?

The Real Cost of a Broken Part

The math on a repair is rarely about the part itself. It's about downtime. One of our customers had a machine part fail that the manufacturer quoted at three weeks for a replacement. Three weeks of a production line sitting idle. We had them back up and running in under 24 hours. That's the difference a local shop with welding and machining under one roof can make, there's no waiting on a courier or a second vendor when the fix needs both.

When a Repair Is the Right Call

Plenty of failures are honest, local damage on a part that's otherwise sound. A cracked weld on a frame. A worn surface that can be built up and machined back to size. A bent member on a platform or guard that can be cut out and replaced. In those cases a repair costs a fraction of a new part and gets you running fast.

Material matters here. Steel, stainless and aluminum each behave differently under repair, and cast iron and tool steel need their own approach entirely. We work with all of them, and our welders are certified and held to CWB standards, so a repaired joint isn't a weak point waiting to fail again.

When Replacement Wins

Some parts tell you they're done. Fatigue cracking spread through the whole piece, a repair that's failed twice in the same spot, or damage in something safety-critical where a patch isn't worth the risk. Sometimes the honest answer is that refabricating the part costs barely more than a complicated repair and lasts years longer.

When that's the call, we can reverse-engineer from the broken part itself, measure it, draw it, and build it new, often with a tweak to whatever caused the failure in the first place. You don't need original drawings. The old part is the drawing.

How to Get a Fast Answer

Send photos of the damage through the contact form or bring the part to the shop at 3485 Mainway. Either way you'll get a straight answer on repair versus replace, a real price, and an honest timeline. If it's urgent, call 905-335-8844 first thing and tell us the line is down, we'll do our best to turn it around fast.

Common questions

Repairs & rush work

How fast can you turn around an urgent repair?
It depends on the part, but when a plant is down we know time matters. Bring the part in or send photos first thing, and we'll tell you straight away what's possible. Urgent repairs are often back the same or next day.
Can you repair cast iron or tool steel?
Yes. We work with cast iron and tool steel regularly, and both need a different approach than mild steel, which is exactly why a certified shop matters for these repairs.
Will you tell me if replacement is cheaper?
Every time. If refabricating the part costs less over its life than patching it, we say so. We'd rather give you the honest answer than sell you a repair that fails in six months.

Broken part, cracked weld, or a machine that needs to be running yesterday? Get in touch or call 905-335-8844 and we'll tell you straight whether to fix it or replace it.

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