G4000 Cast Iron and Cast Steel to A 159 (2011)

G4000 - Specification & Application

  • A 159 (2011) - Automotive Gray Iron Castings

Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.

Chemical composition(wt.%) of G4000 grade: to A 159 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C 3.00 3.30
Si 1.80 2.10
Mn 0.70 1.00
P - 0.10
S - 0.15
CEV 3.7 3.9

G4000 - Detail

G4000

Mechanical properties of grade G4000 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)
883 (≥) 275 (≥) 34 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade G4000 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
292 (≥) 999 (≥) 11 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
498 364 337

Equivalent Grade

Equivalent Products

We can customize the production of G4000 grade, contact us for the best solution.
sales@specificsteel.com