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Zamak 5 vs. EN 1.3955 Stainless Steel

Zamak 5 belongs to the zinc alloys classification, while EN 1.3955 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is EN 1.3955 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
23
Fatigue Strength, MPa 56
150
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
77
Tensile Strength: Ultimate (UTS), MPa 330
520
Tensile Strength: Yield (Proof), MPa 240
220

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Maximum Temperature: Mechanical, °C 95
930
Melting Completion (Liquidus), °C 390
1430
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 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.2
Embodied Energy, MJ/kg 57
45
Embodied Water, L/kg 380
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
95
Resilience: Unit (Modulus of Resilience), kJ/m3 330
130
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 14
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 42
4.1
Thermal Shock Resistance, points 9.9
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
65.5 to 73.5
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.020
10 to 12
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0