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EN 1.3551 Steel vs. C71640 Copper-nickel

EN 1.3551 steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 24 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 EN 1.3551 steel and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
52
Tensile Strength: Ultimate (UTS), MPa 720
490 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 530
260
Melting Completion (Liquidus), °C 1490
1180
Melting Onset (Solidus), °C 1450
1120
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 36
29
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
40
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.9
5.0
Embodied Energy, MJ/kg 71
73
Embodied Water, L/kg 82
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.7
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 26
15 to 20
Strength to Weight: Bending, points 23
16 to 18
Thermal Diffusivity, mm2/s 9.8
8.2
Thermal Shock Resistance, points 21
16 to 21

Alloy Composition

Carbon (C), % 0.77 to 0.85
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
61.7 to 67.8
Iron (Fe), % 88.8 to 91.1
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.35
1.5 to 2.5
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 0
29 to 32
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5