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Zamak 7 vs. EN 1.8918 Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.8918 steel 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 7 and the bottom bar is EN 1.8918 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
19
Fatigue Strength, MPa 47
330
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 210
400
Tensile Strength: Ultimate (UTS), MPa 280
640
Tensile Strength: Yield (Proof), MPa 250
490

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
46
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.5
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 57
24
Embodied Water, L/kg 380
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
640
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
23
Strength to Weight: Bending, points 15
21
Thermal Diffusivity, mm2/s 43
12
Thermal Shock Resistance, points 8.6
19

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0.020 to 0.050
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.7
Iron (Fe), % 0 to 0.075
95.2 to 98.9
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
1.1 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0.0050 to 0.020
0 to 0.8
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.2
Zinc (Zn), % 95.3 to 96.5
0