G1800 Cast Iron and Cast Steel to A 159 (2011)

G1800 - Specification & Application

  • A 159 (2011) - Automotive Gray Iron Castings

Used in the products of the automobile, truck, tractor, and allied industries. Miscellaneous soft iron castings (as cast or annealed) in which strength is not of primary consideration. Exhaust manifolds may be made of this grade of iron, alloyed or unallo

Chemical composition(wt.%) of G1800 grade: to A 159 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C 3.40 3.70
Si 2.30 2.80
Mn 0.50 0.80
P - 0.25
S - 0.15
CEV 4.25 4.5

G1800 - Detail

G1800

Mechanical properties of grade G1800 A 159 (2011)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
882 (≥) 593 (≥) 11 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical properties of grade G1800 A 159 (2011)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
299 (≥) 336 (≥) 33 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
193 984 147

Equivalent Grade

Equivalent Products

We can customize the production of G1800 grade, contact us for the best solution.
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