C355.0 (SC51B, A33550) Cast Aluminum
Cast Aluminum Alloys
Property Overview
Density2.7g/cm³
Elastic Modulus70GPa
Tensile Strength290 to 310MPa
Yield Strength200 to 230MPa
Brinell Hardness86 to 90HB
Maximum Service Temperature170°C
Chemical Composition
MN
0 to 0.1%
SI
4.5 to 5.5%
CU
1.0 to 1.5%
TI
0 to 0.2%
AL
91.7 to 94.1%
MG
0.4 to 0.6%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
0 to 0.1%
FE
0 to 0.2%
Mechanical
Elastic (Young's, Tensile) Modulus
70 GPa
Elongation at Break
2.7 to 3.8 %
Fatigue Strength
76 to 84 MPa
Poisson's Ratio
0.33
Shear Modulus
26 GPa
Tensile Strength: Ultimate (UTS)
290 to 310 MPa
Tensile Strength: Yield (Proof)
200 to 230 MPa
Hardness
Brinell Hardness
86 to 90
Physical
Density
2.7 g/cm 3
Thermal
Latent Heat of Fusion
470 J/g
Maximum Temperature: Mechanical
170 °C
Melting Completion (Liquidus)
620 °C
Melting Onset (Solidus)
570 °C
Solidification (Pattern Maker's) Shrinkage
1.3 %
Specific Heat Capacity
900 J/kg-K
Thermal Conductivity
150 W/m-K
Thermal Diffusivity
60 mm 2 /s
Thermal Expansion
22 µm/m-K
Thermal Shock Resistance
13 to 14 points
Electrical
Electrical Conductivity: Equal Volume
39 % IACS
Electrical Conductivity: Equal Weight (Specific)
130 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
7.5 to 9.8 MJ/m 3
Resilience: Unit (Modulus of Resilience)
290 to 380 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
51 points
Strength to Weight: Axial
30 to 32 points
Strength to Weight: Bending
36 to 37 points
Environmental
Base Metal Price
9.5 % relative
Embodied Carbon
8.0 kg CO 2 /kg material
Embodied Energy
150 MJ/kg
Embodied Energy
150 MJ/kg 64 x 10 3 BTU/lb
Embodied Water
1120 L/kg
Embodied Water
1120 L/kg 130 gal/lb
Registered Designations & Aliases
A33550C355.0 (SC51B, A33550) Cast AluminumSC51B
Standards
ASTM B108 ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings
ASTM B26 ASTM B26: Standard Specification for Aluminum-Alloy Sand Castings
ASTM B618 ASTM B618: Standard Specification for Aluminum-Alloy Investment Castings
ASTM B686 ASTM B686: Standard Specification for Aluminum Alloy Castings, High-Strength
ASTM B686 ASTM B686: Standard Specification for Aluminum Alloy Castings, High-Strength ASTM B618: Standard Specification for Aluminum-Alloy Investment Castings ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings ASTM B26: Standard Specification for Aluminum-Alloy Sand Castings Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984