Thread: What is Steel 25BG?
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02-08-2013 #1
Last Activity: 29-06-2021
Hi guys,
I've been reading a 1977 BBC research paper on speaker cabinet damping and they mention using 'mild steel 25 BG' as a constraining layer. Can anyone tell me what 25BG is? I shoved it into Google but didn't get a lot. Does this indicate the thickness or just the grade?
Thanks!
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