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CC140C Copper vs. EN 1.4958 Stainless Steel

CC140C copper belongs to the copper alloys classification, while EN 1.4958 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 1.4958 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 340
630
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1090
Melting Completion (Liquidus), °C 1100
1400
Melting Onset (Solidus), °C 1040
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 310
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 78
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
5.3
Embodied Energy, MJ/kg 41
75
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220
95
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 10
22
Strength to Weight: Bending, points 12
20
Thermal Diffusivity, mm2/s 89
3.2
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0.4 to 1.2
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 98.8 to 99.6
0 to 0.5
Iron (Fe), % 0
41.1 to 50.6
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5