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CC140C Copper vs. AISI 418 Stainless Steel

CC140C copper belongs to the copper alloys classification, while AISI 418 stainless steel belongs to the iron alloys. There are 29 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 CC140C copper and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
330
Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 340
1100
Tensile Strength: Yield (Proof), MPa 230
850

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
770
Melting Completion (Liquidus), °C 1100
1500
Melting Onset (Solidus), °C 1040
1460
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 310
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 78
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 310
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
170
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1830
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 10
38
Strength to Weight: Bending, points 12
29
Thermal Diffusivity, mm2/s 89
6.7
Thermal Shock Resistance, points 12
40

Alloy Composition

Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0.4 to 1.2
12 to 14
Copper (Cu), % 98.8 to 99.6
0
Iron (Fe), % 0
78.5 to 83.6
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
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5