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S31655 Stainless Steel vs. Zamak 2

S31655 stainless steel belongs to the iron alloys classification, while Zamak 2 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 S31655 stainless steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
100
Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 39
6.0
Fatigue Strength, MPa 300
59
Poisson's Ratio 0.28
0.26
Rockwell B Hardness 88
63
Shear Modulus, GPa 78
33
Shear Strength, MPa 490
320
Tensile Strength: Ultimate (UTS), MPa 710
360
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 290
130
Maximum Temperature: Mechanical, °C 1010
95
Melting Completion (Liquidus), °C 1430
390
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 16
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
35

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.8
6.5
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 160
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
20
Resilience: Unit (Modulus of Resilience), kJ/m3 310
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.0
41
Thermal Shock Resistance, points 16
11

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), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
2.5 to 3.3
Iron (Fe), % 63.2 to 71.9
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0 to 0.020
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
92.2 to 94