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AISI 304 Stainless Steel vs. C96800 Copper

AISI 304 stainless steel belongs to the iron alloys classification, while C96800 copper belongs to the copper alloys. There are 28 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 AISI 304 stainless steel and the bottom bar is C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 8.0 to 43
3.4
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
46
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
1010
Tensile Strength: Yield (Proof), MPa 230 to 860
860

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 710
220
Melting Completion (Liquidus), °C 1450
1120
Melting Onset (Solidus), °C 1400
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
34
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
33
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
3000
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21 to 42
32
Strength to Weight: Bending, points 20 to 32
25
Thermal Diffusivity, mm2/s 4.2
15
Thermal Shock Resistance, points 12 to 25
35

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
87.1 to 90.5
Iron (Fe), % 66.5 to 74
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0.050 to 0.3
Nickel (Ni), % 8.0 to 10.5
9.5 to 10.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.0050
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.0025
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5