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S32803 Stainless Steel vs. Zamak 7

S32803 stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S32803 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
80
Elastic (Young's, Tensile) Modulus, GPa 210
86
Elongation at Break, % 18
13
Fatigue Strength, MPa 350
47
Poisson's Ratio 0.27
0.25
Shear Modulus, GPa 81
33
Shear Strength, MPa 420
210
Tensile Strength: Ultimate (UTS), MPa 680
280
Tensile Strength: Yield (Proof), MPa 560
250

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Maximum Temperature: Mechanical, °C 1100
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 16
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
38

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 3.7
3.0
Embodied Energy, MJ/kg 53
57
Embodied Water, L/kg 180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
36
Resilience: Unit (Modulus of Resilience), kJ/m3 760
370
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
12
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 4.4
43
Thermal Shock Resistance, points 22
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 28 to 29
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.9 to 67.1
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 3.0 to 4.0
0.0050 to 0.020
Niobium (Nb), % 0.15 to 0.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.55
0
Sulfur (S), % 0 to 0.0035
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5