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Zamak 3 vs. ASTM A372 Grade A Steel

Zamak 3 belongs to the zinc alloys classification, while ASTM A372 grade A steel 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 3 and the bottom bar is ASTM A372 grade A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
140
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 11
22
Fatigue Strength, MPa 48
190
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 210
320
Tensile Strength: Ultimate (UTS), MPa 280
500
Tensile Strength: Yield (Proof), MPa 210
270

Thermal Properties

Latent Heat of Fusion, J/g 120
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 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 57
18
Embodied Water, L/kg 380
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
95
Resilience: Unit (Modulus of Resilience), kJ/m3 260
200
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 43
14
Thermal Shock Resistance, points 8.6
16

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
98.3 to 99.85
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.030
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0