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S40920 Stainless Steel vs. Zamak 5

S40920 stainless steel belongs to the iron alloys classification, while Zamak 5 belongs to the zinc 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 S40920 stainless steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
92
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 22
6.3
Fatigue Strength, MPa 130
56
Poisson's Ratio 0.28
0.25
Rockwell B Hardness 77
57
Shear Modulus, GPa 75
33
Shear Strength, MPa 270
260
Tensile Strength: Ultimate (UTS), MPa 430
330
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Maximum Temperature: Mechanical, °C 710
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 10
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
26
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
37

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
12
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 2.0
3.0
Embodied Energy, MJ/kg 28
57
Embodied Water, L/kg 94
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
19
Resilience: Unit (Modulus of Resilience), kJ/m3 97
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 15
14
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 6.9
42
Thermal Shock Resistance, points 15
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 85.1 to 89.4
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
Nickel (Ni), % 0 to 0.5
0 to 0.020
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0.15 to 0.5
0
Zinc (Zn), % 0
94.3 to 95.7