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CR023A Copper vs. S44800 Stainless Steel

CR023A copper belongs to the copper alloys classification, while S44800 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 S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
23
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
82
Tensile Strength: Ultimate (UTS), MPa 220
590
Tensile Strength: Yield (Proof), MPa 130
450

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 41
52
Embodied Water, L/kg 320
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
120
Resilience: Unit (Modulus of Resilience), kJ/m3 76
480
Stiffness to Weight: Axial, points 7.2
15
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
4.6
Thermal Shock Resistance, points 7.8
19

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 99.9 to 99.995
0 to 0.15
Iron (Fe), % 0
62.6 to 66.5
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0.0050 to 0.013
0 to 0.025
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.020