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Zamak 7 vs. N08031 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 28 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 7 and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
210
Elongation at Break, % 13
45
Fatigue Strength, MPa 47
290
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
81
Shear Strength, MPa 210
510
Tensile Strength: Ultimate (UTS), MPa 280
730
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1390
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 27
18

Otherwise Unclassified Properties

Base Metal Price, % relative 11
39
Density, g/cm3 6.4
8.1
Embodied Carbon, kg CO2/kg material 3.0
7.1
Embodied Energy, MJ/kg 57
96
Embodied Water, L/kg 380
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
270
Resilience: Unit (Modulus of Resilience), kJ/m3 370
230
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
25
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 43
3.1
Thermal Shock Resistance, points 8.6
14

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0 to 0.25
1.0 to 1.4
Iron (Fe), % 0 to 0.075
29 to 36.9
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
6.0 to 7.0
Nickel (Ni), % 0.0050 to 0.020
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0