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Zamak 3 vs. AISI 420 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while AISI 420 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 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
190
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 11
8.0 to 15
Fatigue Strength, MPa 48
220 to 670
Poisson's Ratio 0.25
0.28
Rockwell B Hardness 50
84
Shear Modulus, GPa 33
76
Shear Strength, MPa 210
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 280
690 to 1720
Tensile Strength: Yield (Proof), MPa 210
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 120
280
Maximum Temperature: Mechanical, °C 95
620
Melting Completion (Liquidus), °C 390
1510
Melting Onset (Solidus), °C 380
1450
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
27
Thermal Expansion, µm/m-K 27
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.5
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 57
28
Embodied Water, L/kg 380
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
380 to 4410
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
25 to 62
Strength to Weight: Bending, points 15
22 to 41
Thermal Diffusivity, mm2/s 43
7.3
Thermal Shock Resistance, points 8.6
25 to 62

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.15 to 0.4
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
82.3 to 87.9
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
0 to 0.75
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), % 95.3 to 96.5
0