English translation: base flashing \\ upstand \\ upturn
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Explanation: 'kragning' as you know, according to Engstroem, is flanging, cupping or curling (i.e. cymbals?), and googling this brought me to http://www.cymbalholic.com/forums/showthread.php?8520-Edge-F...
I found the term 'downward flange (I guess that would be nedkragning?) and 'upward flange' also came up in google, but I have not found an example of 'upward flanging'