A BOX COLUMN WAS FORMED BY WELDING TWO CHANNEL SECTONS. THE ENDS ARE CONSIDERED AS PIN SUPPORTS PropertTES OF the CHANMEL ARE SHOWN BELOW, CALC. THE CAPACITY OF THE ColumN

$I_x=38\mathrm{.}1{10}^{6}m{m}^4$

$I_y=2\mathrm{.}91{10}^{6}m{m}^4$

$A=4560m{m}^2$

$F_y=248$MPa