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AISI 304N Stainless Steel vs. Zamak 7

AISI 304N stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 360
80
Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 9.1 to 45
13
Fatigue Strength, MPa 220 to 440
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
33
Shear Strength, MPa 420 to 700
210
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
280
Tensile Strength: Yield (Proof), MPa 270 to 850
250

Thermal Properties

Latent Heat of Fusion, J/g 290
120
Maximum Temperature: Mechanical, °C 960
95
Melting Completion (Liquidus), °C 1420
390
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 16
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
38

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 43
57
Embodied Water, L/kg 150
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
36
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22 to 42
12
Strength to Weight: Bending, points 21 to 32
15
Thermal Diffusivity, mm2/s 4.2
43
Thermal Shock Resistance, points 14 to 26
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 66.4 to 73.9
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0.0050 to 0.020
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5