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CC381H Copper-nickel vs. EN 1.7380 Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.7380 steel belongs to the iron alloys. There are 29 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 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 20
19 to 20
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
74
Tensile Strength: Ultimate (UTS), MPa 380
540 to 550
Tensile Strength: Yield (Proof), MPa 140
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 260
460
Melting Completion (Liquidus), °C 1180
1470
Melting Onset (Solidus), °C 1120
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 40
3.8
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 5.0
1.8
Embodied Energy, MJ/kg 73
23
Embodied Water, L/kg 280
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 68
230 to 280
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
19 to 20
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 8.4
11
Thermal Shock Resistance, points 13
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.080 to 0.14
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 64.5 to 69.9
0 to 0.3
Iron (Fe), % 0.5 to 1.5
94.6 to 96.6
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 29 to 31
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Zinc (Zn), % 0 to 0.5
0