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AISI 440B Stainless Steel vs. Zamak 5

AISI 440B stainless steel belongs to the iron alloys classification, while Zamak 5 belongs to the zinc 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 AISI 440B stainless steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 3.0 to 18
6.3
Fatigue Strength, MPa 260 to 850
56
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
33
Shear Strength, MPa 460 to 1110
260
Tensile Strength: Ultimate (UTS), MPa 740 to 1930
330
Tensile Strength: Yield (Proof), MPa 430 to 1860
240

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 870
95
Melting Completion (Liquidus), °C 1480
390
Melting Onset (Solidus), °C 1370
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 23
110
Thermal Expansion, µm/m-K 10
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 2.2
3.0
Embodied Energy, MJ/kg 31
57
Embodied Water, L/kg 120
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57 to 110
19
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 70
14
Strength to Weight: Bending, points 24 to 45
16
Thermal Diffusivity, mm2/s 6.1
42
Thermal Shock Resistance, points 27 to 70
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.75 to 1.0
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 78.2 to 83.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
94.3 to 95.7