International standards do not generally provide requirements or guidance on minimum fillet weld sizes. The only example of such guidance is AWS D1.1, which includes the following table (size=leg length): Table. Minimum fillet weld sizes Notes
For non low-hydrogen processes without preheat calculated in conformance with 4.8.4, T equals thickness of thicker part joined; single pass welds shall be used. For non low-hydrogen processes using procedures established to prevent cracking in conformance with 4.8.4 and for low-hydrogen processes, T equals thickness of thinner part joined; single pass requirement shall not apply. 1. Except that the weld size need not exceed the thickness of the thinner part joined. 2. Minimum size for cyclically loaded structure shall be 3/16in [5mm].
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AuthorWith unceasing appetite for knowledge - Karthik Kumarasamy Archives
August 2015
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