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EN 1.8201 Steel vs. C71520 Copper-nickel

EN 1.8201 steel belongs to the iron alloys classification, while C71520 copper-nickel belongs to the copper 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 EN 1.8201 steel and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 20
10 to 45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
51
Shear Strength, MPa 390
250 to 340
Tensile Strength: Ultimate (UTS), MPa 630
370 to 570
Tensile Strength: Yield (Proof), MPa 450
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Maximum Temperature: Mechanical, °C 450
260
Melting Completion (Liquidus), °C 1500
1170
Melting Onset (Solidus), °C 1450
1120
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 40
32
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
40
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.5
5.0
Embodied Energy, MJ/kg 36
73
Embodied Water, L/kg 59
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 530
67 to 680
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
12 to 18
Strength to Weight: Bending, points 20
13 to 17
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 18
12 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.050
Chromium (Cr), % 1.9 to 2.6
0
Copper (Cu), % 0
65 to 71.6
Iron (Fe), % 93.6 to 96.2
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.1 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.050 to 0.3
0
Nickel (Ni), % 0
28 to 33
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.2
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5