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CR023A Copper vs. AISI 418 Stainless Steel

CR023A copper belongs to the copper alloys classification, while AISI 418 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
1100
Tensile Strength: Yield (Proof), MPa 130
850

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
770
Melting Completion (Liquidus), °C 1090
1500
Melting Onset (Solidus), °C 1040
1460
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 320
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
170
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1830
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
38
Strength to Weight: Bending, points 9.0
29
Thermal Diffusivity, mm2/s 110
6.7
Thermal Shock Resistance, points 7.8
40

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
78.5 to 83.6
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
1.8 to 2.2
Phosphorus (P), % 0.0050 to 0.013
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5