ASTM A732 Grade 11Q Cast Steel
Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength940MPa
Yield Strength770MPa
Brinell Hardness280HB
Maximum Service Temperature410°C
Chemical Composition
C
0.15 to 0.25%
CR
0 to 0.35%
NI
1.7 to 2.0%
MO
0.2 to 0.3%
MN
0.4 to 0.7%
SI
0.2 to 0.8%
P
0 to 0.040%
S
0 to 0.045%
CU
0 to 0.5%
W
0 to 0.1%
FE
94.9 to 97.4%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
10 %
Fatigue Strength
470 MPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
940 MPa
Tensile Strength: Yield (Proof)
770 MPa
Hardness
Brinell Hardness
280
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
410 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
49 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
28 points
Electrical
Electrical Conductivity: Equal Volume
7.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
89 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1590 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
33 points
Strength to Weight: Bending
27 points
Environmental
Base Metal Price
3.5 % relative
Embodied Carbon
1.7 kg CO 2 /kg material
Embodied Energy
22 MJ/kg
Embodied Energy
22 MJ/kg 9.5 x 10 3 BTU/lb
Embodied Water
51 L/kg
Embodied Water
51 L/kg 6.1 gal/lb
Registered Designations & Aliases
ASTM A732 Grade 11Q Cast Steel
Standards
ASTM A732 ASTM A732: Standard Specification for Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
ASTM A732 ASTM A732: Standard Specification for Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005