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AISI 309 Stainless Steel vs. C15900 Copper

AISI 309 stainless steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34 to 47
6.5
Poisson's Ratio 0.27
0.34
Rockwell B Hardness 84
95
Shear Modulus, GPa 78
43
Shear Strength, MPa 420 to 470
420
Tensile Strength: Ultimate (UTS), MPa 600 to 710
720
Tensile Strength: Yield (Proof), MPa 260 to 350
240

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 980
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1400
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
280
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
48
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
49

Otherwise Unclassified Properties

Base Metal Price, % relative 19
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
37
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
260
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 25
23
Strength to Weight: Bending, points 20 to 23
20
Thermal Diffusivity, mm2/s 4.3
80
Thermal Shock Resistance, points 14 to 16
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0 to 0.2
0.27 to 0.33
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
97.5 to 97.9
Iron (Fe), % 58 to 66
0 to 0.040
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 15
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.66 to 0.74