707.0 (ZG42A, A07070) Cast Aluminum
Cast Aluminum Alloys
T1
Property Overview
Density2.9g/cm³
Elastic Modulus70GPa
Tensile Strength290MPa
Yield Strength190MPa
Brinell Hardness85HB
Maximum Service Temperature180°C
Chemical Composition
CR
0.2 to 0.4%
MN
0.4 to 0.6%
SI
0 to 0.2%
CU
0 to 0.2%
TI
0 to 0.25%
AL
90.5 to 93.6%
MG
1.8 to 2.4%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
4.0 to 4.5%
FE
0 to 0.8%
Mechanical
Elastic (Young's, Tensile) Modulus
70 GPa
Elongation at Break
3.4 %
Fatigue Strength
130 MPa
Poisson's Ratio
0.33
Shear Modulus
26 GPa
Tensile Strength: Ultimate (UTS)
290 MPa
Tensile Strength: Yield (Proof)
190 MPa
Hardness
Brinell Hardness
85
Physical
Density
2.9 g/cm 3
Thermal
Latent Heat of Fusion
380 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
630 °C
Melting Onset (Solidus)
600 °C
Solidification (Pattern Maker's) Shrinkage
1.6 %
Specific Heat Capacity
880 J/kg-K
Thermal Conductivity
150 W/m-K
Thermal Diffusivity
58 mm 2 /s
Thermal Expansion
24 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
37 % IACS
Electrical Conductivity: Equal Weight (Specific)
110 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
8.6 MJ/m 3
Resilience: Unit (Modulus of Resilience)
250 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
47 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
34 points
Environmental
Base Metal Price
9.5 % relative
Embodied Carbon
8.3 kg CO 2 /kg material
Embodied Energy
150 MJ/kg
Embodied Energy
150 MJ/kg 64 x 10 3 BTU/lb
Embodied Water
1140 L/kg
Embodied Water
1140 L/kg 140 gal/lb
Registered Designations & Aliases
707.0 (ZG42A, A07070) Cast AluminumA07070ZG42A
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 B618 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 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993