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S40975 Stainless Steel vs. Zamak 5

S40975 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 S40975 stainless steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
92
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 22
6.3
Fatigue Strength, MPa 210
56
Poisson's Ratio 0.28
0.25
Rockwell B Hardness 81
57
Shear Modulus, GPa 75
33
Shear Strength, MPa 290
260
Tensile Strength: Ultimate (UTS), MPa 460
330
Tensile Strength: Yield (Proof), MPa 310
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 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.0
3.0
Embodied Energy, MJ/kg 28
57
Embodied Water, L/kg 95
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
19
Resilience: Unit (Modulus of Resilience), kJ/m3 250
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 7.0
42
Thermal Shock Resistance, points 17
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), % 84.4 to 89
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), % 0.5 to 1.0
0 to 0.020
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 0.030
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.75
0
Zinc (Zn), % 0
94.3 to 95.7