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C12600 Copper vs. EN 1.4945 Stainless Steel

C12600 copper belongs to the copper alloys classification, while EN 1.4945 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C12600 copper and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 56
19 to 34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 56
77
Shear Strength, MPa 190
430 to 460
Tensile Strength: Ultimate (UTS), MPa 270
640 to 740
Tensile Strength: Yield (Proof), MPa 69
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
920
Melting Completion (Liquidus), °C 1080
1490
Melting Onset (Solidus), °C 1030
1440
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 130
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 29
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 41
73
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 21
210 to 760
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.2
22 to 25
Strength to Weight: Bending, points 10
20 to 22
Thermal Diffusivity, mm2/s 39
3.7
Thermal Shock Resistance, points 9.5
14 to 16

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 99.5 to 99.8
0
Iron (Fe), % 0
57.9 to 65.7
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0.2 to 0.4
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5