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Zamak 5 vs. EN 1.6781 Steel

Zamak 5 belongs to the zinc alloys classification, while EN 1.6781 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
250
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.3
17
Fatigue Strength, MPa 56
450
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Tensile Strength: Ultimate (UTS), MPa 330
830
Tensile Strength: Yield (Proof), MPa 240
680

Thermal Properties

Latent Heat of Fusion, J/g 120
260
Maximum Temperature: Mechanical, °C 95
450
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
44
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 37
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
5.0
Density, g/cm3 6.4
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.9
Embodied Energy, MJ/kg 57
25
Embodied Water, L/kg 380
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
1220
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 14
29
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 42
12
Thermal Shock Resistance, points 9.9
24

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.15 to 0.19
Chromium (Cr), % 0
1.3 to 1.8
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
92.6 to 94.6
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 0 to 0.020
3.0 to 3.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.030
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0