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Zamak 2 vs. AISI 440B Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while AISI 440B stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
3.0 to 18
Fatigue Strength, MPa 59
260 to 850
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 320
460 to 1110
Tensile Strength: Ultimate (UTS), MPa 360
740 to 1930
Tensile Strength: Yield (Proof), MPa 270
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Maximum Temperature: Mechanical, °C 95
870
Melting Completion (Liquidus), °C 390
1480
Melting Onset (Solidus), °C 380
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
23
Thermal Expansion, µm/m-K 28
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 6.5
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.2
Embodied Energy, MJ/kg 57
31
Embodied Water, L/kg 380
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
57 to 110
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
27 to 70
Strength to Weight: Bending, points 17
24 to 45
Thermal Diffusivity, mm2/s 41
6.1
Thermal Shock Resistance, points 11
27 to 70

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.75 to 1.0
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
78.2 to 83.3
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 0.75
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0