Editing Cast iron (section)

===Table of comparative qualities of cast irons===
{|class="wikitable"
|+Comparative qualities of cast irons<ref>Lyons, William C. and Plisga, Gary J. (eds.) ''Standard Handbook of Petroleum & Natural Gas Engineering'', Elsevier, 2006</ref>
|-
!Name
!Nominal composition [% by weight]
!Form and condition
!Yield strength <nowiki>[</nowiki>[[pounds per square inch|ksi]] (0.2% offset)]
!Tensile strength [ksi]
!Elongation [%]
!Hardness <nowiki>[</nowiki>[[Brinell scale]]<nowiki>]</nowiki>
!Uses
|-
!Grey cast iron ([[ASTM International|ASTM]] A48)
|C&nbsp;3.4, Si&nbsp;1.8, [[manganese|Mn]]&nbsp;0.5
|Cast
|—
|50
|0.5
|260
|[[internal combustion engine|Engine]] cylinder blocks, [[flywheel]]s, [[gearbox case]]s, machine-tool bases
|-
!White cast iron
|C&nbsp;3.4, Si&nbsp;0.7, Mn&nbsp;0.6
|Cast (as cast)
|—
|25
|0
|450
|[[Bearing (mechanical)|Bearing]] surfaces
|-
!Malleable iron (ASTM A47)
|C&nbsp;2.5, Si&nbsp;1.0, Mn&nbsp;0.55
|Cast (annealed)
|33
|52
|12
|130
|[[Axle]] bearings, track wheels, automotive [[crankshaft]]s
|-
!Ductile or nodular iron
|C&nbsp;3.4, P&nbsp;0.1, Mn&nbsp;0.4, [[nickel|Ni]]&nbsp;1.0, Mg&nbsp;0.06
|Cast
|53
|70
|18
|170
|Gears, [[camshaft]]s, crankshafts
|-
!Ductile or nodular iron (ASTM A339)
|—
|Cast (quench tempered)
|108
|135
|5
|310
|—
|-
!Ni-hard type 2
|C&nbsp;2.7, Si&nbsp;0.6, Mn&nbsp;0.5, Ni&nbsp;4.5, Cr&nbsp;2.0
|Sand-cast
|—
|55
|—
|550
|High strength applications
|-
!Ni-resist type 2
|C&nbsp;3.0, Si&nbsp;2.0, Mn&nbsp;1.0, Ni&nbsp;20.0, Cr&nbsp;2.5
|Cast
|—
|27
|2
|140
|Resistance to heat and corrosion
|}