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S39277 Stainless Steel vs. Zamak 7

S39277 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 S39277 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
80
Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 28
13
Fatigue Strength, MPa 480
47
Poisson's Ratio 0.27
0.25
Shear Modulus, GPa 80
33
Shear Strength, MPa 600
210
Tensile Strength: Ultimate (UTS), MPa 930
280
Tensile Strength: Yield (Proof), MPa 660
250

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Maximum Temperature: Mechanical, °C 1100
95
Melting Completion (Liquidus), °C 1460
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
38

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 4.2
3.0
Embodied Energy, MJ/kg 59
57
Embodied Water, L/kg 180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
36
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 33
12
Strength to Weight: Bending, points 27
15
Thermal Diffusivity, mm2/s 4.2
43
Thermal Shock Resistance, points 26
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 1.2 to 2.0
0 to 0.25
Iron (Fe), % 56.8 to 64.3
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.5 to 8.0
0.0050 to 0.020
Nitrogen (N), % 0.23 to 0.33
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.0020
0
Tin (Sn), % 0
0 to 0.0010
Tungsten (W), % 0.8 to 1.2
0
Zinc (Zn), % 0
95.3 to 96.5