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AISI 304 Stainless Steel vs. C99500 Copper

AISI 304 stainless steel belongs to the iron alloys classification, while C99500 copper belongs to the copper alloys. There are 26 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 AISI 304 stainless steel and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 8.0 to 43
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
540
Tensile Strength: Yield (Proof), MPa 230 to 860
310

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 710
210
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
400
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
30
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 43
47
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
63
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
410
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21 to 42
17
Strength to Weight: Bending, points 20 to 32
17
Thermal Shock Resistance, points 12 to 25
19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
82.5 to 92
Iron (Fe), % 66.5 to 74
3.0 to 5.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 8.0 to 10.5
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0.5 to 2.0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0.5 to 2.0
Residuals, % 0
0 to 0.3