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EN 1.3955 Stainless Steel vs. Zamak 5

EN 1.3955 stainless steel belongs to the iron alloys classification, while Zamak 5 belongs to the zinc 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 EN 1.3955 stainless steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 290
120
Maximum Temperature: Mechanical, °C 930
95
Melting Completion (Liquidus), °C 1430
390
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 12
27

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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