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CC381H Copper-nickel vs. EN 1.4931 Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4931 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
240
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
17
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 380
810
Tensile Strength: Yield (Proof), MPa 140
620

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 260
600
Melting Completion (Liquidus), °C 1180
1460
Melting Onset (Solidus), °C 1120
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
24
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 40
8.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
2.9
Embodied Energy, MJ/kg 73
42
Embodied Water, L/kg 280
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
130
Resilience: Unit (Modulus of Resilience), kJ/m3 68
970
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
29
Strength to Weight: Bending, points 13
25
Thermal Diffusivity, mm2/s 8.4
6.5
Thermal Shock Resistance, points 13
22

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
83.2 to 86.8
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 29 to 31
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35
Zinc (Zn), % 0 to 0.5
0