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Zamak 2 vs. ASTM A369 Grade FP91

Zamak 2 belongs to the zinc alloys classification, while ASTM A369 grade FP91 belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
200
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
19
Fatigue Strength, MPa 59
320
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
75
Shear Strength, MPa 320
410
Tensile Strength: Ultimate (UTS), MPa 360
670
Tensile Strength: Yield (Proof), MPa 270
460

Thermal Properties

Latent Heat of Fusion, J/g 130
270
Maximum Temperature: Mechanical, °C 95
600
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
26
Thermal Expansion, µm/m-K 28
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 35
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 57
37
Embodied Water, L/kg 380
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 420
560
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 41
6.9
Thermal Shock Resistance, points 11
18

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.020
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
87.3 to 90.3
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.020
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.030
0.2 to 0.5
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 92.2 to 94
0
Zirconium (Zr), % 0
0 to 0.010