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ASTM A369 Grade FPA vs. Zamak 5

ASTM A369 grade FPA belongs to the iron alloys classification, while Zamak 5 belongs to the zinc 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 ASTM A369 grade FPA and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
92
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 27
6.3
Fatigue Strength, MPa 180
56
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
33
Shear Strength, MPa 240
260
Tensile Strength: Ultimate (UTS), MPa 380
330
Tensile Strength: Yield (Proof), MPa 240
240

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Maximum Temperature: Mechanical, °C 400
95
Melting Completion (Liquidus), °C 1460
390
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
37

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 18
57
Embodied Water, L/kg 46
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
19
Resilience: Unit (Modulus of Resilience), kJ/m3 150
330
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 13
14
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 14
42
Thermal Shock Resistance, points 12
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.25
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 98.3 to 99.63
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0.27 to 0.93
0
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.1 to 0.5
0 to 0.030
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
94.3 to 95.7