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CC140C Copper vs. EN 1.4021 Stainless Steel

CC140C copper belongs to the copper alloys classification, while EN 1.4021 stainless steel belongs to the iron alloys. There are 28 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 EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
11 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
76
Tensile Strength: Ultimate (UTS), MPa 340
630 to 880
Tensile Strength: Yield (Proof), MPa 230
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
760
Melting Completion (Liquidus), °C 1100
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 310
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 78
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 41
27
Embodied Water, L/kg 310
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
400 to 1160
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 10
23 to 31
Strength to Weight: Bending, points 12
21 to 26
Thermal Diffusivity, mm2/s 89
8.1
Thermal Shock Resistance, points 12
22 to 31

Alloy Composition

Carbon (C), % 0
0.16 to 0.25
Chromium (Cr), % 0.4 to 1.2
12 to 14
Copper (Cu), % 98.8 to 99.6
0
Iron (Fe), % 0
83.2 to 87.8
Manganese (Mn), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015