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Fonte teneur en carbone

Mai 17, 2017

Table of comparative qualities of cast irons
Comparative qualities of cast irons
prénom Nominal composition
[% by weight]
Form and
condition
force de rendement
[KSI(0.2% offset)]
élastique
force[KSI]
Élongation
[% (dans 2 inches)]
Dureté
[Brinell scale]
Uses
Grey cast iron
(ASTM A48)
C 3.4,Si 1.8,Mn 0.5 Jeter - 50 0.5 260 Engine cylinder blocks,
volants, gearbox
cas, machine-tool bases
White cast iron C 3.4,Si 0.7,Mn 0.6 Jeter(as cast) - 25 0 450 Bearing surface
Malleable iron
(ASTM A47)
C 2.5,Si 1.0, Mn 0.55 Jeter(recuits) 33 52 12 130 Axle bearings,
track wheels,
automobile
vilebrequins
Ductile or
nodular iron
C 3.4,P 0.1,Mn 0.4,
Ni 1.0, Mg 0.06
Jeter 53 70 18 170 engrenage, camshafts,
vilebrequins
Ductile or
nodular iron
(ASTM A339)
- cast (éteindre
tempéré)
108 135 5 310 -
Ni-hard type 2 C 2.7,Si 0.6, Mn 0.5,
Ni 4.5,Cr 2.0
Sable-cast - 55 - 550 Haute résistance
applications
Ni-resist type 2 C 3.0,Si 2.0, Mn 1.0,
Ni 20.0, Cr 2.5
Jeter - 27 2 140 Resistance to heat
and corrosion

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