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Zamak 7 vs. EN 1.4521 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.4521 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is EN 1.4521 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
23
Fatigue Strength, MPa 47
230
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
78
Shear Strength, MPa 210
330
Tensile Strength: Ultimate (UTS), MPa 280
520
Tensile Strength: Yield (Proof), MPa 250
340

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Maximum Temperature: Mechanical, °C 95
930
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
23
Thermal Expansion, µm/m-K 27
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 38
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 57
39
Embodied Water, L/kg 380
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
100
Resilience: Unit (Modulus of Resilience), kJ/m3 370
280
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
19
Strength to Weight: Bending, points 15
19
Thermal Diffusivity, mm2/s 43
6.2
Thermal Shock Resistance, points 8.6
18

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
74.6 to 81.1
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0.0050 to 0.020
0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0.15 to 0.8
Zinc (Zn), % 95.3 to 96.5
0