I must admit I haven't received any formal code based training in welding (just some general welding from school). I am creating a weld spec for joining two 5mm thick stainless steel (304L) sheet metal in corner configuration. I was searching the AWS D1.6 for the prequalified corner square butt weld. A number of them seems to fit well with my application. The only thing is I need to grind flat the exterior side of the weld for cosmetic reason. The code doesn't include any provision for such finish. Does it mean the weld cannot be grind in order to meet the code? The joint doesn't carried much load, but I still like to meet the code requirement.
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