Elliptical Dished End

R (mm) = 0,8D
r (mm) = 0,154D
h1 (mm) >= 3,5 t
h2 (mm) = 0,26D
H (mm) = h1+h2
V (mm³) = 0,13D³ (h1=0)
m (kg) = 2.Dp².t = t.mt