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CR023A Copper vs. AISI 440B Stainless Steel

CR023A copper belongs to the copper alloys classification, while AISI 440B stainless steel belongs to the iron alloys. There are 27 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 CR023A copper and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
3.0 to 18
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
740 to 1930
Tensile Strength: Yield (Proof), MPa 130
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1090
1480
Melting Onset (Solidus), °C 1040
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
23
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 41
31
Embodied Water, L/kg 320
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
57 to 110
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
27 to 70
Strength to Weight: Bending, points 9.0
24 to 45
Thermal Diffusivity, mm2/s 110
6.1
Thermal Shock Resistance, points 7.8
27 to 70

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.75 to 1.0
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
78.2 to 83.3
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Phosphorus (P), % 0.0050 to 0.013
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.015