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Zamak 2 vs. S38815 Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while S38815 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
190
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
34
Fatigue Strength, MPa 59
230
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 33
74
Shear Strength, MPa 320
410
Tensile Strength: Ultimate (UTS), MPa 360
610
Tensile Strength: Yield (Proof), MPa 270
290

Thermal Properties

Latent Heat of Fusion, J/g 130
370
Maximum Temperature: Mechanical, °C 95
860
Melting Completion (Liquidus), °C 390
1360
Melting Onset (Solidus), °C 380
1310
Specific Heat Capacity, J/kg-K 410
500
Thermal Expansion, µm/m-K 28
15

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 6.5
7.5
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 57
54
Embodied Water, L/kg 380
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
170
Resilience: Unit (Modulus of Resilience), kJ/m3 420
220
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.3
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 2.5 to 3.3
0.75 to 1.5
Iron (Fe), % 0 to 0.1
56.1 to 67
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0 to 0.020
13 to 17
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
5.5 to 6.5
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0