ASTM A356 Grade 6 (J12073) Cast Steel
Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength550MPa
Yield Strength350MPa
Brinell Hardness170HB
Maximum Service Temperature430°C
Chemical Composition
C
0 to 0.2%
CR
1.0 to 1.5%
MO
0.45 to 0.65%
MN
0.5 to 0.8%
SI
0 to 0.6%
P
0 to 0.035%
S
0 to 0.030%
FE
96.2 to 98.1%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
25 %
Fatigue Strength
250 MPa
Poisson's Ratio
0.29
Reduction in Area
39 %
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
550 MPa
Tensile Strength: Yield (Proof)
350 MPa
Hardness
Brinell Hardness
170
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
41 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
7.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.4 % IACS
Calculated
PREN (Pitting Resistance)
3.1
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
320 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
2.9 % relative
Embodied Carbon
1.6 kg CO 2 /kg material
Embodied Energy
21 MJ/kg
Embodied Energy
21 MJ/kg 9.0 x 10 3 BTU/lb
Embodied Water
53 L/kg
Embodied Water
53 L/kg 6.3 gal/lb
Registered Designations & Aliases
ASTM A356 Grade 6 (J12073) Cast SteelJ12073
Standards
ASTM A356 ASTM A356: Standard Specification for Steel Castings, Carbon, Low Alloy, and Stainless Steel, Heavy-Walled for Steam Turbines