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Zamak 7 vs. S42035 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while S42035 stainless steel belongs to the iron alloys. There are 31 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 Zamak 7 and the bottom bar is S42035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
160
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
18
Fatigue Strength, MPa 47
260
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 210
390
Tensile Strength: Ultimate (UTS), MPa 280
630
Tensile Strength: Yield (Proof), MPa 250
430

Thermal Properties

Latent Heat of Fusion, J/g 120
280
Maximum Temperature: Mechanical, °C 95
810
Melting Completion (Liquidus), °C 390
1450
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
27
Thermal Expansion, µm/m-K 27
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.4
Embodied Energy, MJ/kg 57
34
Embodied Water, L/kg 380
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
100
Resilience: Unit (Modulus of Resilience), kJ/m3 370
460
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 15
21
Thermal Diffusivity, mm2/s 43
7.2
Thermal Shock Resistance, points 8.6
22

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13.5 to 15.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
78.1 to 85
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 0.0050 to 0.020
1.0 to 2.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0.3 to 0.5
Zinc (Zn), % 95.3 to 96.5
0