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Zamak 2 vs. AISI 303 Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while AISI 303 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
40 to 51
Fatigue Strength, MPa 59
230 to 360
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 320
430 to 470
Tensile Strength: Ultimate (UTS), MPa 360
600 to 690
Tensile Strength: Yield (Proof), MPa 270
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 130
290
Maximum Temperature: Mechanical, °C 95
930
Melting Completion (Liquidus), °C 390
1450
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 28
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 57
42
Embodied Water, L/kg 380
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
240
Resilience: Unit (Modulus of Resilience), kJ/m3 420
140 to 440
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
21 to 25
Strength to Weight: Bending, points 17
20 to 22
Thermal Diffusivity, mm2/s 41
4.4
Thermal Shock Resistance, points 11
13 to 15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
67.3 to 74.9
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.020
8.0 to 10
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0