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CR023A Copper vs. AISI 308 Stainless Steel

CR023A copper belongs to the copper alloys classification, while AISI 308 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is AISI 308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 220
590
Tensile Strength: Yield (Proof), MPa 130
230

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
210
Resilience: Unit (Modulus of Resilience), kJ/m3 76
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
20
Thermal Diffusivity, mm2/s 110
4.1
Thermal Shock Resistance, points 7.8
13

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
64.1 to 71
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
10 to 12
Phosphorus (P), % 0.0050 to 0.013
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030