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Zamak 2 vs. EN 1.4640 Stainless Steel

Zamak 2 belongs to the zinc alloys classification, while EN 1.4640 stainless steel belongs to the iron 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 Zamak 2 and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
51
Fatigue Strength, MPa 59
230 to 250
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 320
440 to 460
Tensile Strength: Ultimate (UTS), MPa 360
620 to 650
Tensile Strength: Yield (Proof), MPa 270
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Maximum Temperature: Mechanical, °C 95
930
Melting Completion (Liquidus), °C 390
1420
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 28
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 57
40
Embodied Water, L/kg 380
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 420
150 to 170
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
22 to 23
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 41
4.0
Thermal Shock Resistance, points 11
14 to 15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0
18 to 19
Copper (Cu), % 2.5 to 3.3
1.3 to 2.0
Iron (Fe), % 0 to 0.1
67.4 to 73.6
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
1.5 to 4.0
Nickel (Ni), % 0 to 0.020
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.030
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0