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Zamak 3 vs. S38100 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while S38100 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 S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
190
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 48
210
Poisson's Ratio 0.25
0.28
Rockwell B Hardness 50
84
Shear Modulus, GPa 33
76
Shear Strength, MPa 210
400
Tensile Strength: Ultimate (UTS), MPa 280
580
Tensile Strength: Yield (Proof), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 120
320
Maximum Temperature: Mechanical, °C 95
970
Melting Completion (Liquidus), °C 390
1400
Melting Onset (Solidus), °C 380
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 27
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 57
54
Embodied Water, L/kg 380
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
210
Resilience: Unit (Modulus of Resilience), kJ/m3 260
140
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 43
4.0
Thermal Shock Resistance, points 8.6
13

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
57.9 to 64
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.020
17.5 to 18.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
1.5 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0