Permanent Mold Cast Zinc-Aluminum 8
Wrought Aluminum Alloys
Property Overview
Density6.3g/cm³
Elastic Modulus85GPa
Tensile Strength210MPa
Yield Strength210MPa
Brinell Hardness87HB
Maximum Service Temperature100°C
Chemical Composition
NI
0 to 0.020%
SI
0 to 0.045%
CU
0.8 to 1.3%
AL
8.0 to 8.8%
CD
0 to 0.0060%
MG
0.015 to 0.030%
PB
0 to 0.0060%
SN
0 to 0.0030%
ZN
89.7 to 91.2%
FE
0 to 0.075%
Mechanical
Compressive (Crushing) Strength
210 MPa
Elastic (Young's, Tensile) Modulus
85 GPa
Elongation at Break
1.3 %
Fatigue Strength
51 MPa
Fracture Toughness
13 MPa-m 1/2
Poisson's Ratio
0.26
Shear Modulus
34 GPa
Shear Strength
240 MPa
Tensile Strength: Ultimate (UTS)
210 MPa
Tensile Strength: Yield (Proof)
210 MPa
Hardness
Brinell Hardness
87
Knoop Hardness
110
Rockwell B Hardness
54
Physical
Density
6.3 g/cm 3
Thermal
Latent Heat of Fusion
110 J/g
Maximum Temperature: Mechanical
100 °C
Melting Completion (Liquidus)
400 °C
Melting Onset (Solidus)
380 °C
Solidification (Pattern Maker's) Shrinkage
1.1 %
Specific Heat Capacity
440 J/kg-K
Thermal Conductivity
120 W/m-K
Thermal Diffusivity
42 mm 2 /s
Thermal Expansion
23 µm/m-K
Thermal Shock Resistance
7.6 points
Electrical
Electrical Conductivity: Equal Volume
28 % IACS
Electrical Conductivity: Equal Weight (Specific)
40 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
2.8 MJ/m 3
Resilience: Unit (Modulus of Resilience)
260 kJ/m 3
Stiffness to Weight: Axial
7.5 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
9.3 points
Strength to Weight: Bending
12 points
Environmental
Base Metal Price
11 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
62 MJ/kg
Embodied Energy
62 MJ/kg 26 x 10 3 BTU/lb
Embodied Water
420 L/kg
Embodied Water
420 L/kg 50 gal/lb
Registered Designations & Aliases
Permanent Mold Cast Zinc-Aluminum 8
Standards
ASTM B86 ASTM B86: Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings
EN 12844 EN 12844: Zinc and zinc alloys - Castings - Specifications
EN 12844 EN 12844: Zinc and zinc alloys - Castings - Specifications ASTM B86: Standard Specification for Zinc and Zinc-Aluminum (ZA) Alloy Foundry and Die Castings Corrosion Resistance of Zinc and Zinc Alloys, Frank C. Porter, 1994 Zinc Handbook: Properties, Processing, and Use In Design, Frank C. Porter, 1991 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993