a - 150, b - 75, t - 15, R - 12, cm² - 31,7, kg/m - 0,

a - 200, b - 100, t - 10, R - 15, cm² - 29,2, kg/m - 0,

a - 200, b - 150, t - 12, R - 15, cm² - 40,8, kg/m - 0,

a - 200, b - 150, t - 15, R - 15, cm² - 50,5, kg/m - 0,

a - 20, t - 3, R - 3,5, cm² - 1,12, kg/m - 0,88,

a - 25, t - 4, R - 3,5, cm² - 1,85, kg/m - 1,45,

a - 30, t - 4, R - 5, cm² - 2,27, kg/m - 1,78,

a - 65, t - 7, R - 9, cm² - 8,7, kg/m - 6,83,

a - 75, t - 6, R - 9, cm² - 8,73, kg/m - 6,85,

a - 75, t - 8, R - 9, cm² - 11,5, kg/m - 9,03,