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CC381H Copper-nickel vs. EN 1.7272 Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.7272 steel belongs to the iron alloys. There are 24 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 CC381H copper-nickel and the bottom bar is EN 1.7272 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
73
Tensile Strength: Ultimate (UTS), MPa 380
490 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 260
410
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
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
2.2
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.5
Embodied Energy, MJ/kg 73
19
Embodied Water, L/kg 280
49

Common Calculations

Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
17 to 59
Strength to Weight: Bending, points 13
18 to 40
Thermal Diffusivity, mm2/s 8.4
12
Thermal Shock Resistance, points 13
14 to 48

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.28 to 0.33
Chromium (Cr), % 0
0.4 to 0.55
Copper (Cu), % 64.5 to 69.9
0 to 0.25
Iron (Fe), % 0.5 to 1.5
97.2 to 98.3
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.9 to 1.2
Molybdenum (Mo), % 0
0.1 to 0.15
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025
Zinc (Zn), % 0 to 0.5
0