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Zamak 3 vs. AISI 445 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while AISI 445 stainless steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is AISI 445 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
160
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 11
25
Fatigue Strength, MPa 48
160
Poisson's Ratio 0.25
0.28
Rockwell B Hardness 50
71
Shear Modulus, GPa 33
78
Shear Strength, MPa 210
310
Tensile Strength: Ultimate (UTS), MPa 280
480
Tensile Strength: Yield (Proof), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Maximum Temperature: Mechanical, °C 95
950
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 57
38
Embodied Water, L/kg 380
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
98
Resilience: Unit (Modulus of Resilience), kJ/m3 260
140
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
17
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 43
5.6
Thermal Shock Resistance, points 8.6
16

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0 to 0.25
0.3 to 0.6
Iron (Fe), % 0 to 0.1
74.9 to 80.7
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
0 to 0.6
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.012
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0