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Zamak 3 vs. S35140 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while S35140 stainless steel belongs to the iron alloys. There are 32 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 Zamak 3 and the bottom bar is S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
210
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 48
250
Poisson's Ratio 0.25
0.28
Rockwell B Hardness 50
88
Shear Modulus, GPa 33
78
Shear Strength, MPa 210
460
Tensile Strength: Ultimate (UTS), MPa 280
690
Tensile Strength: Yield (Proof), MPa 210
310

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1420
Melting Onset (Solidus), °C 380
1370
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 38
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 6.4
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.5
Embodied Energy, MJ/kg 57
78
Embodied Water, L/kg 380
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
250
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 43
3.7
Thermal Shock Resistance, points 8.6
16

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
44.1 to 52.7
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
1.0 to 3.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.020
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.030
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0