DUCTILE IRON DATA

FOR DESIGN ENGINEERS

DESIGNING WITH DUCTILE IRON

Figure 10.1 Effect of design on lever performance.

fig10_1a.GIF (4399 bytes)
a)  Oval section.  A 21 ksi (145 MPa) load about the x-axis, and a 13.4 ksi (92 MPa) load about the y-axis produce outer fibre stresses of 100 ksi (690 MPa).
fig10_1b.GIF (4289 bytes)
b)  I-beam section.  Application of the same loads as (a) produces outer fibre stresses of 34 ksi (234 MPa) and 87 ski (600 MPa) respectively.
fig10_1c.GIF (4817 bytes)
c)  Cast box section.  Application of the same loads as (a) produces outer fibre stresses of 37 ksi (255 MPa) and 45 ksi (310 MPa) respectively.
fig10_1d.GIF (5355 bytes)
d)  Cast U-section.  Application of the same loads as (a) produces outer fibre stresses of 44 ksi (303 MPa) and 27 ksi (100 MPa) respectively.