what does the last number for I-beam or channel mean?
what does the last number for I-beam or channel mean?
(OP)
For example, S12*50 or C10*20, what is the "50" or "20" here? Any hints or answers would be appreciated. Thanks so much.
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what does the last number for I-beam or channel mean?
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RE: what does the last number for I-beam or channel mean?