ASTM A148 Grade 165-150 or 1140-1035 (D51500) Cast Steel
Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength1300MPa
Yield Strength1160MPa
Brinell Hardness390HB
Maximum Service Temperature430°C
Chemical Composition
C
0.2 to 0.27%
CR
0.7 to 0.9%
NI
0.8 to 1.0%
MO
0.45 to 0.55%
MN
1.0 to 1.2%
SI
0 to 0.6%
P
0 to 0.020%
S
0 to 0.020%
FE
95.5 to 96.9%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
5.7 %
Fatigue Strength
670 MPa
Poisson's Ratio
0.29
Reduction in Area
22 %
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
1300 MPa
Tensile Strength: Yield (Proof)
1160 MPa
Hardness
Brinell Hardness
390
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
430 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
37 W/m-K
Thermal Diffusivity
9.9 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
38 points
Electrical
Electrical Conductivity: Equal Volume
7.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.6 % IACS
Calculated
PREN (Pitting Resistance)
2.5
Resilience: Ultimate (Unit Rupture Work)
71 MJ/m 3
Resilience: Unit (Modulus of Resilience)
3570 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
46 points
Strength to Weight: Bending
34 points
Environmental
Base Metal Price
3.3 % relative
Embodied Carbon
1.7 kg CO 2 /kg material
Embodied Energy
22 MJ/kg
Embodied Energy
22 MJ/kg 9.4 x 10 3 BTU/lb
Embodied Water
53 L/kg
Embodied Water
53 L/kg 6.4 gal/lb
Registered Designations & Aliases
ASTM A148 Grade 165-150 or 1140-1035 (D51500) Cast SteelD51500
Standards
ASTM A148 ASTM A148: Standard Specification for Steel Castings, High Strength, for Structural Purposes
ASTM A148 ASTM A148: Standard Specification for Steel Castings, High Strength, for Structural Purposes Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005