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EN 1.4729 Stainless Steel vs. Zamak 2

EN 1.4729 stainless steel belongs to the iron alloys classification, while Zamak 2 belongs to the zinc alloys. There are 22 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
100
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 15
6.0
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 75
33

Thermal Properties

Latent Heat of Fusion, J/g 300
130
Maximum Temperature: Mechanical, °C 850
95
Melting Completion (Liquidus), °C 1420
390
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 490
410
Thermal Conductivity, W/m-K 24
110
Thermal Expansion, µm/m-K 10
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
35

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
12
Density, g/cm3 7.6
6.5
Embodied Carbon, kg CO2/kg material 2.1
3.0
Embodied Energy, MJ/kg 29
57
Embodied Water, L/kg 100
380

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 6.5
41

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
2.5 to 3.3
Iron (Fe), % 80.4 to 86.7
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0 to 0.030
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
92.2 to 94