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Zamak 7 vs. EN 1.0308 Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.0308 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is EN 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
7.8 to 28
Fatigue Strength, MPa 47
140 to 200
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 210
230 to 260
Tensile Strength: Ultimate (UTS), MPa 280
360 to 440
Tensile Strength: Yield (Proof), MPa 250
190 to 340

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
51
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
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 57
18
Embodied Water, L/kg 380
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 370
93 to 300
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
13 to 16
Strength to Weight: Bending, points 15
14 to 16
Thermal Diffusivity, mm2/s 43
14
Thermal Shock Resistance, points 8.6
11 to 14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.17
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
98.2 to 100
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.2
Nickel (Ni), % 0.0050 to 0.020
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.045
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0