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J.Gerald Jayakumar
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Joint Type: T-joint
Plates: 75 mm and 50 mm thick plates
Weld Type: Fillet weld on both sides (assumption unless stated otherwise)
Loading: Static or dynamic? AWS D1.1 differs for each.
You haven’t specified loading type, so I’ll assume static loading (common for most structural applications unless otherwise stated).
Minimum Fillet Weld Size per AWS D1.1 – Table 5.8
This table gives minimum fillet weld sizes based on thicker part in the joint:
Thicker Part (mm) | Minimum Weld Size (mm) |
---|---|
Over 38 to 50 | 8 mm |
Over 50 to 63 | 10 mm |
Over 63 to 75 | 11 mm |
Over 75 to 100 | 12 mm |