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Zamak 3 vs. S32750 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while S32750 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 3 and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
270
Elastic (Young's, Tensile) Modulus, GPa 86
210
Elongation at Break, % 11
17
Fatigue Strength, MPa 48
360
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 33
81
Shear Strength, MPa 210
530
Tensile Strength: Ultimate (UTS), MPa 280
860
Tensile Strength: Yield (Proof), MPa 210
590

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
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
15
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 38
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
21
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.1
Embodied Energy, MJ/kg 57
56
Embodied Water, L/kg 380
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
860
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
31
Strength to Weight: Bending, points 15
26
Thermal Diffusivity, mm2/s 43
4.0
Thermal Shock Resistance, points 8.6
25

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 0 to 0.1
58.1 to 66.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.020
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.030
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0