09/02/2025
Understand Welds per British standards
Types of Welds.
Butt Joint:
Two pieces joined end-to-end. It can have a backing bar in some cases.
Common in structural applications, moment connections.
Tee Joint:
Formed at a right angle.
Used in frames and supports.
Corner Joint:
Created at the corner of two pieces.
Ideal for box-like structures.
Lap Joint:
Overlapping two pieces.
Provides a large surface area for welding.
Edge Joint:
Joins the edges of two pieces.
Typically, for thin materials.
Weld Sizes (Metric Units)
According to British Standards, mainly BS 449-2 and BS 499, here are some guidelines for weld sizes:
Fillet Welds:
The leg length or throat thickness defines size.
Standard sizes range from 6 mm to 8 mm but can be larger depending on the application.
Minimum Weld Size:
Generally, the minimum size is 8 mm for many welding processes.
Structural Requirements:
Always consider the structural requirements specified in standards like BS 5950.
These guidelines will help you ensure strong and reliable welds in your fabrication projects!
If you have more specific questions or need further details, please ask Delflex Construction Engineering
