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Zamak 2 vs. ASTM A369 Grade FPA

Zamak 2 belongs to the zinc alloys classification, while ASTM A369 grade FPA belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is ASTM A369 grade FPA.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
110
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
27
Fatigue Strength, MPa 59
180
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 320
240
Tensile Strength: Ultimate (UTS), MPa 360
380
Tensile Strength: Yield (Proof), MPa 270
240

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Maximum Temperature: Mechanical, °C 95
400
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
52
Thermal Expansion, µm/m-K 28
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 35
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 57
18
Embodied Water, L/kg 380
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
89
Resilience: Unit (Modulus of Resilience), kJ/m3 420
150
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
13
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 41
14
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.25
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
98.3 to 99.63
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0.27 to 0.93
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.030
0.1 to 0.5
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0