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Zamak 2 vs. S15500 Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while S15500 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
6.8 to 16
Fatigue Strength, MPa 59
350 to 650
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
75
Shear Strength, MPa 320
540 to 870
Tensile Strength: Ultimate (UTS), MPa 360
890 to 1490
Tensile Strength: Yield (Proof), MPa 270
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Maximum Temperature: Mechanical, °C 95
820
Melting Completion (Liquidus), °C 390
1430
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 28
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 57
39
Embodied Water, L/kg 380
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 420
890 to 4460
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
32 to 53
Strength to Weight: Bending, points 17
26 to 37
Thermal Diffusivity, mm2/s 41
4.6
Thermal Shock Resistance, points 11
30 to 50

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 2.5 to 3.3
2.5 to 4.5
Iron (Fe), % 0 to 0.1
71.9 to 79.9
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.020
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
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), % 92.2 to 94
0