MetFab - Air Products Welder's Handbook - Flipbook - Page 7
Why use welding?
Welding is used because it is:
“T” joint
• One of the most cost-effective methods
of joining metal components
Air must be excluded
from heated area
• Suitable for a wide range of materials
and thicknesses
• Applicable to a wide range component
shapes and sizes
The joints produced by welding are:
• Permanent
Fillet weld
• Strong, usually matching or exceeding
the strength of the parent materials
• Leak-tight
• Reproducible
• Readily inspected by non-destructive
techniques
Butt joint
Butt weld
Welding can be carried out:
• In the workshop or on-site
• Manually, mechanised or robotic
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