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EN 1.4621 Stainless Steel vs. Zamak 2

EN 1.4621 stainless steel belongs to the iron alloys classification, while Zamak 2 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4621 stainless steel and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 25
6.0
Fatigue Strength, MPa 190
59
Poisson's Ratio 0.27
0.26
Shear Modulus, GPa 78
33
Shear Strength, MPa 320
320
Tensile Strength: Ultimate (UTS), MPa 500
360
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 290
130
Maximum Temperature: Mechanical, °C 970
95
Melting Completion (Liquidus), °C 1440
390
Melting Onset (Solidus), °C 1390
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 11
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
35

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 7.7
6.5
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 41
57
Embodied Water, L/kg 140
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
20
Resilience: Unit (Modulus of Resilience), kJ/m3 190
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 5.7
41
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 21.5
0
Copper (Cu), % 0.1 to 1.0
2.5 to 3.3
Iron (Fe), % 74.4 to 79.7
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
Nickel (Ni), % 0
0 to 0.020
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
92.2 to 94