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Zamak 7 vs. EN 1.7706 Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.7706 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 7 and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
210
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
17
Fatigue Strength, MPa 47
330
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Tensile Strength: Ultimate (UTS), MPa 280
690
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 120
260
Maximum Temperature: Mechanical, °C 95
440
Melting Completion (Liquidus), °C 390
1470
Melting Onset (Solidus), °C 380
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.7
Density, g/cm3 6.4
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.3
Embodied Energy, MJ/kg 57
32
Embodied Water, L/kg 380
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
670
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 43
11
Thermal Shock Resistance, points 8.6
20

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0 to 0.075
94.7 to 97.1
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0.0050 to 0.020
0 to 0.4
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0010
0
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 95.3 to 96.5
0