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Zamak 5 vs. S20433 Stainless Steel

Zamak 5 belongs to the zinc alloys classification, while S20433 stainless steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
190
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
46
Fatigue Strength, MPa 56
250
Poisson's Ratio 0.25
0.28
Rockwell B Hardness 57
82
Shear Modulus, GPa 33
76
Shear Strength, MPa 260
440
Tensile Strength: Ultimate (UTS), MPa 330
630
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 120
280
Maximum Temperature: Mechanical, °C 95
900
Melting Completion (Liquidus), °C 390
1400
Melting Onset (Solidus), °C 380
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 57
39
Embodied Water, L/kg 380
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
230
Resilience: Unit (Modulus of Resilience), kJ/m3 330
180
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 42
4.0
Thermal Shock Resistance, points 9.9
14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0.7 to 1.3
1.5 to 3.5
Iron (Fe), % 0 to 0.1
64.1 to 72.4
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
5.5 to 7.5
Nickel (Ni), % 0 to 0.020
3.5 to 5.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
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), % 94.3 to 95.7
0