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Zamak 3 vs. S42030 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while S42030 stainless steel belongs to the iron 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 Zamak 3 and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 11
16
Fatigue Strength, MPa 48
250
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
76
Shear Strength, MPa 210
410
Tensile Strength: Ultimate (UTS), MPa 280
670
Tensile Strength: Yield (Proof), MPa 210
410

Thermal Properties

Latent Heat of Fusion, J/g 120
280
Maximum Temperature: Mechanical, °C 95
780
Melting Completion (Liquidus), °C 390
1450
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 27
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.5
Embodied Energy, MJ/kg 57
34
Embodied Water, L/kg 380
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
92
Resilience: Unit (Modulus of Resilience), kJ/m3 260
440
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 43
7.7
Thermal Shock Resistance, points 8.6
24

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.25
2.0 to 3.0
Iron (Fe), % 0 to 0.1
77.6 to 85
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0