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SAE-AISI 1090 Steel vs. Zamak 7

SAE-AISI 1090 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 1090 steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 280
80
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 11
13
Fatigue Strength, MPa 320 to 380
47
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 72
33
Shear Strength, MPa 470 to 570
210
Tensile Strength: Ultimate (UTS), MPa 790 to 950
280
Tensile Strength: Yield (Proof), MPa 520 to 610
250

Thermal Properties

Latent Heat of Fusion, J/g 240
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 50
110
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
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 82 to 91
36
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
370
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 28 to 34
12
Strength to Weight: Bending, points 24 to 27
15
Thermal Diffusivity, mm2/s 13
43
Thermal Shock Resistance, points 25 to 31
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.85 to 1.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98 to 98.6
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