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Zamak 7 vs. SAE-AISI 1045 Steel

Zamak 7 belongs to the zinc alloys classification, while SAE-AISI 1045 steel belongs to the iron 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 Zamak 7 and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
13 to 18
Fatigue Strength, MPa 47
220 to 370
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
72
Shear Strength, MPa 210
380 to 410
Tensile Strength: Ultimate (UTS), MPa 280
620 to 680
Tensile Strength: Yield (Proof), MPa 250
330 to 580

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
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 6.4
7.8
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
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 370
300 to 900
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
22 to 24
Strength to Weight: Bending, points 15
21 to 22
Thermal Diffusivity, mm2/s 43
14
Thermal Shock Resistance, points 8.6
20 to 22

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.43 to 0.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
98.5 to 99
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0.6 to 0.9
Nickel (Ni), % 0.0050 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0