Can anyone give me a link or explain to me how you actually determine the proper leg size when doing a fillet weld. From what I understand is that with 1/4" materials you should place a 1/4" weld, or with a 1/4" plate welded to a 3/8" plate the weld should be 3/8". Is that right? Would there be any reason to put a 3/8" weld on 1/4" materials. What i was taught is that would be a waste of time and materials. I have read that putting more weld than necessary will cause more stress to the toes of the weld, but nothing actually says what size weld is needed for certain material thicknesses. So please someone clear my mind on this.
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fillet weld leg size.