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EN 1.7720 Steel vs. Zamak 3

EN 1.7720 steel belongs to the iron alloys classification, while Zamak 3 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7720 steel and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
83
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 19
11
Fatigue Strength, MPa 230
48
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
33
Tensile Strength: Ultimate (UTS), MPa 590
280
Tensile Strength: Yield (Proof), MPa 340
210

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Maximum Temperature: Mechanical, °C 410
95
Melting Completion (Liquidus), °C 1470
390
Melting Onset (Solidus), °C 1430
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
38

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
11
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 2.2
3.0
Embodied Energy, MJ/kg 30
57
Embodied Water, L/kg 51
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
28
Resilience: Unit (Modulus of Resilience), kJ/m3 300
260
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21
12
Strength to Weight: Bending, points 20
15
Thermal Diffusivity, mm2/s 11
43
Thermal Shock Resistance, points 17
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 0.3 to 0.5
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 96.6 to 98.6
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.4
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.45
0 to 0.030
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0030
Vanadium (V), % 0.22 to 0.3
0
Zinc (Zn), % 0
95.3 to 96.5