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Zamak 3 vs. EN 1.4021 Stainless Steel

Zamak 3 belongs to the zinc alloys classification, while EN 1.4021 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 11
11 to 17
Fatigue Strength, MPa 48
240 to 380
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
76
Shear Strength, MPa 210
390 to 530
Tensile Strength: Ultimate (UTS), MPa 280
630 to 880
Tensile Strength: Yield (Proof), MPa 210
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 120
270
Maximum Temperature: Mechanical, °C 95
760
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
30
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
1.9
Embodied Energy, MJ/kg 57
27
Embodied Water, L/kg 380
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
400 to 1160
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
23 to 31
Strength to Weight: Bending, points 15
21 to 26
Thermal Diffusivity, mm2/s 43
8.1
Thermal Shock Resistance, points 8.6
22 to 31

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.16 to 0.25
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
83.2 to 87.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 95.3 to 96.5
0