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Zamak 3 vs. EN 1.4938 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while EN 1.4938 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 11
16 to 17
Fatigue Strength, MPa 48
390 to 520
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
76
Shear Strength, MPa 210
540 to 630
Tensile Strength: Ultimate (UTS), MPa 280
870 to 1030
Tensile Strength: Yield (Proof), MPa 210
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 120
270
Maximum Temperature: Mechanical, °C 95
750
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
30
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 380
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1050 to 1920
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
31 to 37
Strength to Weight: Bending, points 15
26 to 29
Thermal Diffusivity, mm2/s 43
8.1
Thermal Shock Resistance, points 8.6
30 to 35

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
80.5 to 84.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.020
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.030
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 95.3 to 96.5
0