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S31260 Stainless Steel vs. Zamak 2

S31260 stainless steel belongs to the iron alloys classification, while Zamak 2 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 S31260 stainless steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
100
Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 23
6.0
Fatigue Strength, MPa 370
59
Poisson's Ratio 0.27
0.26
Shear Modulus, GPa 80
33
Shear Strength, MPa 500
320
Tensile Strength: Ultimate (UTS), MPa 790
360
Tensile Strength: Yield (Proof), MPa 540
270

Thermal Properties

Latent Heat of Fusion, J/g 300
130
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 13
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
35

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.8
6.5
Embodied Carbon, kg CO2/kg material 3.9
3.0
Embodied Energy, MJ/kg 53
57
Embodied Water, L/kg 180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
20
Resilience: Unit (Modulus of Resilience), kJ/m3 720
420
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
15
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 4.3
41
Thermal Shock Resistance, points 22
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), % 24 to 26
0
Copper (Cu), % 0.2 to 0.8
2.5 to 3.3
Iron (Fe), % 59.6 to 67.6
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.5 to 7.5
0 to 0.020
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0 to 0.030
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Tungsten (W), % 0.1 to 0.5
0
Zinc (Zn), % 0
92.2 to 94