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C15900 Copper vs. AISI 309 Stainless Steel

C15900 copper belongs to the copper alloys classification, while AISI 309 stainless steel belongs to the iron 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 C15900 copper and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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