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S32001 Stainless Steel vs. Zamak 7

S32001 stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S32001 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 28
13
Fatigue Strength, MPa 370
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 78
33
Shear Strength, MPa 450
210
Tensile Strength: Ultimate (UTS), MPa 690
280
Tensile Strength: Yield (Proof), MPa 510
250

Thermal Properties

Latent Heat of Fusion, J/g 290
120
Maximum Temperature: Mechanical, °C 970
95
Melting Completion (Liquidus), °C 1420
390
Melting Onset (Solidus), °C 1370
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
38

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 37
57
Embodied Water, L/kg 150
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
36
Resilience: Unit (Modulus of Resilience), kJ/m3 660
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
12
Strength to Weight: Bending, points 23
15
Thermal Diffusivity, mm2/s 4.0
43
Thermal Shock Resistance, points 19
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
0 to 0.25
Iron (Fe), % 66.6 to 75.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 1.0 to 3.0
0.0050 to 0.020
Nitrogen (N), % 0.050 to 0.17
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5