Is such a weld marking correct?
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While browsing the internet, I came across an article about weld markings, and the first picture in it was this one. I hadn’t paid attention to it at first, but I saw that this image was also cited on a certain WeChat official account... Is it really okay to label it in that way?
It’s more convenient and intuitive to just draw a detailed diagram directly
Check the standard for welding symbols used. As shown in the figure, it is a fillet weld, not a full penetration weld ； This diagram should follow national standards; in AWS, it is the area below the horizontal line that indicates the location of the weld, which is exactly the opposite of what is shown in this diagram. WeChat official accounts all copy from each other; they are not authoritative.
Refer to the national standard 324-2008
Sure, fillet welds with gussets.