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S32003 Stainless Steel vs. C99300 Copper

S32003 stainless steel belongs to the iron alloys classification, while C99300 copper belongs to the copper alloys. There are 29 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 S32003 stainless steel and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 28
2.0
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
46
Tensile Strength: Ultimate (UTS), MPa 730
660
Tensile Strength: Yield (Proof), MPa 510
380

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1010
250
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1070
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 14
35
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 42
70
Embodied Water, L/kg 150
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
11
Resilience: Unit (Modulus of Resilience), kJ/m3 660
590
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 21
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 22.5
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 0
68.6 to 74.4
Iron (Fe), % 68.2 to 75.9
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 3.0 to 4.0
13.5 to 16.5
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0 to 0.020
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.050
Residuals, % 0
0 to 0.3