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CR014A Copper vs. S31266 Stainless Steel

CR014A copper belongs to the copper alloys classification, while S31266 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 CR014A copper and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 230
860
Tensile Strength: Yield (Proof), MPa 140
470

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1470
Melting Onset (Solidus), °C 1040
1420
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 380
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 32
37
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
6.5
Embodied Energy, MJ/kg 42
89
Embodied Water, L/kg 340
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
290
Resilience: Unit (Modulus of Resilience), kJ/m3 83
540
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
29
Strength to Weight: Bending, points 9.3
24
Thermal Diffusivity, mm2/s 110
3.1
Thermal Shock Resistance, points 8.1
18

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 99.913 to 99.969
1.0 to 2.5
Iron (Fe), % 0
34.1 to 46
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5