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SAE-AISI 1080 Steel vs. Zamak 7

SAE-AISI 1080 steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc 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 SAE-AISI 1080 steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 260
80
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 11
13
Fatigue Strength, MPa 300 to 360
47
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 72
33
Shear Strength, MPa 460 to 520
210
Tensile Strength: Ultimate (UTS), MPa 770 to 870
280
Tensile Strength: Yield (Proof), MPa 480 to 590
250

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Maximum Temperature: Mechanical, °C 400
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
38

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 19
57
Embodied Water, L/kg 46
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
36
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
370
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 31
12
Strength to Weight: Bending, points 24 to 26
15
Thermal Diffusivity, mm2/s 14
43
Thermal Shock Resistance, points 25 to 29
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.75 to 0.88
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.1 to 98.7
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.6 to 0.9
0
Nickel (Ni), % 0
0.0050 to 0.020
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5