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CC381H Copper-nickel vs. EN 1.7035 Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.7035 steel belongs to the iron alloys. There are 25 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 1.7035 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
160 to 290
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
530 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 260
420
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
46
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
1.4
Embodied Energy, MJ/kg 73
19
Embodied Water, L/kg 280
50

Common Calculations

Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
19 to 66
Strength to Weight: Bending, points 13
19 to 43
Thermal Diffusivity, mm2/s 8.4
12
Thermal Shock Resistance, points 13
16 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.38 to 0.45
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
97 to 98.1
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.6 to 0.9
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Zinc (Zn), % 0 to 0.5
0