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EN 1.6771 Steel vs. Zamak 7

EN 1.6771 steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc 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 EN 1.6771 steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 350
80
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 8.0 to 8.7
13
Fatigue Strength, MPa 440 to 680
47
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
33
Tensile Strength: Ultimate (UTS), MPa 930 to 1180
280
Tensile Strength: Yield (Proof), MPa 740 to 1140
250

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Maximum Temperature: Mechanical, °C 440
95
Melting Completion (Liquidus), °C 1460
390
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 46
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
38

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
11
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 25
57
Embodied Water, L/kg 58
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 93
36
Resilience: Unit (Modulus of Resilience), kJ/m3 1460 to 3450
370
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 33 to 41
12
Strength to Weight: Bending, points 27 to 31
15
Thermal Diffusivity, mm2/s 13
43
Thermal Shock Resistance, points 27 to 35
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.27 to 0.33
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 92.2 to 95
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 3.0 to 4.0
0.0050 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5