ANGLES V. U. Y. Size Dimensions Axis X-X and Y-Y Axis u-u Axis v-v Details Surface Area. Weight Area. a s e v u1 u2 I S r Iu ru Iv Sv rv w1 w2 dmax Um Ut. mm mm kg/m` cm2 cm cm cm cm cm4 cm3 cm cm4 cm cm4 cm3 cm mm mm mm x10-2 m2/m m2/t. 12 23.60 30.00 3.64 5.15 4.60 472 50.4 3.97 750 5.00 194 37.7 2.54 50 90 M20 50.80 21.50.