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AISI 204 Stainless Steel vs. Z21721 Zinc

AISI 204 stainless steel belongs to the iron alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 28 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 204 stainless steel and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 23 to 39
40
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
35
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
150
Tensile Strength: Yield (Proof), MPa 380 to 1080
120

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 850
90
Melting Completion (Liquidus), °C 1410
410
Melting Onset (Solidus), °C 1370
390
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
37

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 7.7
6.6
Embodied Carbon, kg CO2/kg material 2.4
2.8
Embodied Energy, MJ/kg 35
53
Embodied Water, L/kg 130
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
57
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27 to 40
6.4
Strength to Weight: Bending, points 24 to 31
9.6
Thermal Diffusivity, mm2/s 4.1
44
Thermal Shock Resistance, points 16 to 24
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 69.6 to 76.4
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 1.5 to 3.0
0
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100