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Zamak 2 vs. S45500 Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while S45500 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
3.4 to 11
Fatigue Strength, MPa 59
570 to 890
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
75
Shear Strength, MPa 320
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 360
1370 to 1850
Tensile Strength: Yield (Proof), MPa 270
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 130
270
Maximum Temperature: Mechanical, °C 95
760
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 28
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 6.5
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 57
57
Embodied Water, L/kg 380
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
45 to 190
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
48 to 65
Strength to Weight: Bending, points 17
35 to 42
Thermal Shock Resistance, points 11
48 to 64

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 2.5 to 3.3
1.5 to 2.5
Iron (Fe), % 0 to 0.1
71.5 to 79.2
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0.8 to 1.4
Zinc (Zn), % 92.2 to 94
0