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Zamak 7 vs. EN 1.4558 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.4558 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 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
39
Fatigue Strength, MPa 47
170
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 210
350
Tensile Strength: Ultimate (UTS), MPa 280
510
Tensile Strength: Yield (Proof), MPa 250
200

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1400
Melting Onset (Solidus), °C 380
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 38
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 6.4
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.5
Embodied Energy, MJ/kg 57
77
Embodied Water, L/kg 380
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
160
Resilience: Unit (Modulus of Resilience), kJ/m3 370
100
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 43
3.1
Thermal Shock Resistance, points 8.6
12

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0.15 to 0.45
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
39.2 to 47.9
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.0050 to 0.020
32 to 35
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0 to 0.6
Zinc (Zn), % 95.3 to 96.5
0