Esteel = 4.32 * 109 lb / ft2
Gsteel = 1.73 * 109 lb / ft2
Do = 1.750 ft
T = 0.625 in
Di = Do – 2*T = 1.646 ft
A = π/4*(Do2-Di2) = 0.278 ft2
M = (ρsteel * A) * 110% (couplings) + MP = 8.097 slugs /ft
ρ = M / A = 29.142 slugs /ft3
Dd = 2.583 ft
V = (π/4*(Do2)) + VP = (2.405 + 0.450) = 2.855 ft2
Db = 1.907 ft