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Zamak 7 vs. N08020 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while N08020 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 N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
15 to 34
Fatigue Strength, MPa 47
210 to 240
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
77
Shear Strength, MPa 210
380 to 410
Tensile Strength: Ultimate (UTS), MPa 280
610 to 620
Tensile Strength: Yield (Proof), MPa 250
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1410
Melting Onset (Solidus), °C 380
1360
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 27
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 38
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
38
Density, g/cm3 6.4
8.2
Embodied Carbon, kg CO2/kg material 3.0
6.6
Embodied Energy, MJ/kg 57
92
Embodied Water, L/kg 380
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 370
180 to 440
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 43
3.2
Thermal Shock Resistance, points 8.6
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 0 to 0.075
29.9 to 44
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.0050 to 0.020
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0