Grey Cast Iron
Cast Iron
as-fabricated (no
Property Overview
Density7.5g/cm³
Elastic Modulus180GPa
Tensile Strength160MPa
Yield Strength98MPa
Brinell Hardness160HB
Maximum Service TemperatureUnknown
Chemical Composition
C
3.1 to 3.4%
MN
0.5 to 0.7%
SI
2.5 to 2.8%
P
0 to 0.9%
S
0 to 0.15%
FE
92.1 to 93.9%
Mechanical
Compressive (Crushing) Strength
570 MPa
Elastic (Young's, Tensile) Modulus
180 GPa
Elongation at Break
9.6 %
Fatigue Strength
69 MPa
Fracture Toughness
10 MPa-m 1/2
Poisson's Ratio
0.29
Shear Modulus
69 GPa
Shear Strength
180 MPa
Tensile Strength: Ultimate (UTS)
160 MPa
Tensile Strength: Yield (Proof)
98 MPa
Hardness
Brinell Hardness
160
Physical
Density
7.5 g/cm 3
Thermal
Latent Heat of Fusion
280 J/g
Melting Completion (Liquidus)
1380 °C
Melting Onset (Solidus)
1180 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
46 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
6.0 points
Electrical
Electrical Conductivity: Equal Volume
7.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.9 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
13 MJ/m 3
Resilience: Unit (Modulus of Resilience)
27 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
5.8 points
Strength to Weight: Bending
8.7 points
Environmental
Base Metal Price
1.9 % relative
Embodied Carbon
1.5 kg CO 2 /kg material
Embodied Energy
21 MJ/kg
Embodied Energy
21 MJ/kg 9.1 x 10 3 BTU/lb
Embodied Water
44 L/kg
Embodied Water
44 L/kg 5.2 gal/lb
Registered Designations & Aliases
Grey Cast Iron
Standards
ASTM A48 ASTM A48: Standard Specification for Gray Iron Castings
ISO 185 ISO 185: Grey Cast Irons - Classification
ISO 185 ISO 185: Grey Cast Irons - Classification ASTM A48: Standard Specification for Gray Iron Castings Cast Iron: Physical and Engineering Properties, Harold T. Angus, 1976