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Zamak 5 vs. AISI 309 Stainless Steel

Zamak 5 belongs to the zinc alloys classification, while AISI 309 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 AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
34 to 47
Fatigue Strength, MPa 56
250 to 280
Poisson's Ratio 0.25
0.27
Rockwell B Hardness 57
84
Shear Modulus, GPa 33
78
Shear Strength, MPa 260
420 to 470
Tensile Strength: Ultimate (UTS), MPa 330
600 to 710
Tensile Strength: Yield (Proof), MPa 240
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Maximum Temperature: Mechanical, °C 95
980
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 27
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 57
51
Embodied Water, L/kg 380
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 330
170 to 310
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
21 to 25
Strength to Weight: Bending, points 16
20 to 23
Thermal Diffusivity, mm2/s 42
4.3
Thermal Shock Resistance, points 9.9
14 to 16

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
58 to 66
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.020
12 to 15
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.030
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0