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Zamak 7 vs. N08801 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while N08801 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 N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
34
Fatigue Strength, MPa 47
260
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 210
570
Tensile Strength: Ultimate (UTS), MPa 280
860
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1090
Melting Completion (Liquidus), °C 390
1390
Melting Onset (Solidus), °C 380
1360
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
30
Density, g/cm3 6.4
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.5
Embodied Energy, MJ/kg 57
79
Embodied Water, L/kg 380
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
220
Resilience: Unit (Modulus of Resilience), kJ/m3 370
92
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
30
Strength to Weight: Bending, points 15
25
Thermal Diffusivity, mm2/s 43
3.3
Thermal Shock Resistance, points 8.6
20

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 0 to 0.075
39.5 to 50.3
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0.0050 to 0.020
30 to 34
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0.75 to 1.5
Zinc (Zn), % 95.3 to 96.5
0