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Zamak 5 vs. S32550 Stainless Steel

Zamak 5 belongs to the zinc alloys classification, while S32550 stainless steel belongs to the iron alloys. There are 31 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 5 and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
260
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
21
Fatigue Strength, MPa 56
400
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 33
80
Shear Strength, MPa 260
540
Tensile Strength: Ultimate (UTS), MPa 330
860
Tensile Strength: Yield (Proof), MPa 240
620

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
20
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 57
53
Embodied Water, L/kg 380
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
160
Resilience: Unit (Modulus of Resilience), kJ/m3 330
940
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
31
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 42
4.4
Thermal Shock Resistance, points 9.9
23

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 0.7 to 1.3
1.5 to 2.5
Iron (Fe), % 0 to 0.1
57.2 to 67
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 0 to 0.020
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
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), % 94.3 to 95.7
0