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Zamak 7 vs. N08904 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while N08904 stainless steel belongs to the iron alloys. There are 31 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 N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
170
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
38
Fatigue Strength, MPa 47
200
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
79
Shear Strength, MPa 210
370
Tensile Strength: Ultimate (UTS), MPa 280
540
Tensile Strength: Yield (Proof), MPa 250
240

Thermal Properties

Latent Heat of Fusion, J/g 120
300
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
470
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
32
Density, g/cm3 6.4
8.1
Embodied Carbon, kg CO2/kg material 3.0
5.8
Embodied Energy, MJ/kg 57
79
Embodied Water, L/kg 380
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
170
Resilience: Unit (Modulus of Resilience), kJ/m3 370
150
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
19
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
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0 to 0.25
1.0 to 2.0
Iron (Fe), % 0 to 0.075
38.8 to 53
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
4.0 to 5.0
Nickel (Ni), % 0.0050 to 0.020
23 to 28
Nitrogen (N), % 0
0 to 0.1
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