Sand Cast Zinc-Aluminum 12
Wrought Aluminum Alloys
Property Overview
Density6g/cm³
Elastic Modulus83GPa
Tensile Strength260MPa
Yield Strength210MPa
Brinell Hardness96HB
Maximum Service Temperature100°C
Chemical Composition
NI
0 to 0.020%
SI
0 to 0.060%
CU
0.5 to 1.2%
AL
10.5 to 11.5%
CD
0 to 0.0060%
MG
0.015 to 0.030%
PB
0 to 0.0060%
SN
0 to 0.0030%
ZN
87.1 to 89%
FE
0 to 0.075%
Mechanical
Compressive (Crushing) Strength
230 MPa
Elastic (Young's, Tensile) Modulus
83 GPa
Elongation at Break
1.6 %
Fatigue Strength
73 MPa
Fracture Toughness
15 MPa-m 1/2
Poisson's Ratio
0.26
Shear Modulus
33 GPa
Shear Strength
250 MPa
Tensile Strength: Ultimate (UTS)
260 MPa
Tensile Strength: Yield (Proof)
210 MPa
Hardness
Brinell Hardness
96
Knoop Hardness
120
Rockwell B Hardness
59
Physical
Density
6.0 g/cm 3
Thermal
Latent Heat of Fusion
120 J/g
Maximum Temperature: Mechanical
100 °C
Melting Completion (Liquidus)
430 °C
Melting Onset (Solidus)
380 °C
Solidification (Pattern Maker's) Shrinkage
1.3 %
Specific Heat Capacity
450 J/kg-K
Thermal Conductivity
120 W/m-K
Thermal Diffusivity
43 mm 2 /s
Thermal Expansion
24 µm/m-K
Thermal Shock Resistance
9.4 points
Electrical
Electrical Conductivity: Equal Volume
28 % IACS
Electrical Conductivity: Equal Weight (Specific)
42 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
4.0 MJ/m 3
Resilience: Unit (Modulus of Resilience)
260 kJ/m 3
Stiffness to Weight: Axial
7.6 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
12 points
Strength to Weight: Bending
15 points
Environmental
Base Metal Price
11 % relative
Embodied Carbon
3.4 kg CO 2 /kg material
Embodied Energy
64 MJ/kg
Embodied Energy
64 MJ/kg 28 x 10 3 BTU/lb
Embodied Water
440 L/kg
Embodied Water
440 L/kg 52 gal/lb
Registered Designations & Aliases
Sand Cast Zinc-Aluminum 12
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 Corrosion and Electrochemistry of Zinc, Xiaoge Gregory Zhang, 1996 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