what is the cutting length of 90 degree bend in four corner
ring in column of 8mm dia size of column 450mmx250mm of
clear cover 20mm?
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Answer Posted / dhaval
A= 450-2*20-2*8 = 394
B= 250-2*20-2*8 = 194
length = 2*(A+B)+4*6*DIA = 2*(394+194) + 4*6*8= 1368mm
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