Profile bending capacity:

xa = $xa$; xb = $xb$.

(*Mx – towards axis X

M_R = y W_c f_d = $7.2.1$´$7.3.1$´$0.6$´10^-3 = $7.5.1$ kNm

*)(*Wx W_c > W_t M_R = W_t f_d [1 + y (a_p - 1)] =

$7.4.1$´$0.6$´[1 + $7.2.1$´($7.1.1$ - 1)] ´10^-3 = $7.6.1$ kNm

*)(*My – towards axis Y

M_R = y W_c f_d = $7.2.2$´$7.3.2$´$0.6$´10^-3 = $7.5.2$ kNm

*)(*Wy W_c > W_t M_R = W_t f_d [1 + y (a_p - 1)] =

$7.4.2$´$0.6$´[1 + $7.2.2$´($7.1.2$ - 1)] ´10^-3 = $7.6.2$ kNm

*)(*CeowX Profile capacity towards axis X should by reduced to the value of:

$W44$*)

Warping coeffiicient for `l _L = $7.10$(*SpawZmech , it is assumed that, the mechanic welding,*) equals j_L = $7.11$

Capacity condition (54):

(*Rozciag *)(*Scisk *)(*Mx *)(*MxMy *)(*My *)$W54$