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Zamak 2 vs. AISI 309HCb Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while AISI 309HCb 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 2 and the bottom bar is AISI 309HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
190
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
46
Fatigue Strength, MPa 59
210
Poisson's Ratio 0.26
0.28
Rockwell B Hardness 63
82
Shear Modulus, GPa 33
78
Shear Strength, MPa 320
410
Tensile Strength: Ultimate (UTS), MPa 360
590
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Maximum Temperature: Mechanical, °C 95
1090
Melting Completion (Liquidus), °C 390
1420
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 28
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.1
Embodied Energy, MJ/kg 57
59
Embodied Water, L/kg 380
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
210
Resilience: Unit (Modulus of Resilience), kJ/m3 420
130
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 41
4.0
Thermal Shock Resistance, points 11
13

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
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
56 to 66
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
12 to 16
Niobium (Nb), % 0
0 to 1.1
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), % 92.2 to 94
0