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CC381H Copper-nickel vs. EN 1.7003 Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.7003 steel belongs to the iron alloys. There are 25 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 CC381H copper-nickel and the bottom bar is EN 1.7003 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
150 to 200
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
520 to 1780

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
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 40
2.0
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
48

Common Calculations

Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
18 to 63
Strength to Weight: Bending, points 13
18 to 42
Thermal Diffusivity, mm2/s 8.4
12
Thermal Shock Resistance, points 13
15 to 53

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.35 to 0.42
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
97.7 to 98.8
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.5 to 0.8
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