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Zamak 5 vs. S33550 Stainless Steel

Zamak 5 belongs to the zinc alloys classification, while S33550 stainless steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
190
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
40
Fatigue Strength, MPa 56
270
Poisson's Ratio 0.25
0.27
Rockwell B Hardness 57
82
Shear Modulus, GPa 33
79
Shear Strength, MPa 260
470
Tensile Strength: Ultimate (UTS), MPa 330
680
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1400
Melting Onset (Solidus), °C 380
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.3
Embodied Energy, MJ/kg 57
61
Embodied Water, L/kg 380
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
220
Resilience: Unit (Modulus of Resilience), kJ/m3 330
250
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 42
3.9
Thermal Shock Resistance, points 9.9
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 0
25 to 28
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.020
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0
0.18 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