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CC381H Copper-nickel vs. EN 1.4107 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4107 stainless steel belongs to the iron alloys. There are 28 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 1.4107 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 20
18 to 21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 380
620 to 700
Tensile Strength: Yield (Proof), MPa 140
400 to 570

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 260
740
Melting Completion (Liquidus), °C 1180
1450
Melting Onset (Solidus), °C 1120
1410
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
27
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
7.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
2.1
Embodied Energy, MJ/kg 73
30
Embodied Water, L/kg 280
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 68
420 to 840
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
22 to 25
Strength to Weight: Bending, points 13
21 to 22
Thermal Diffusivity, mm2/s 8.4
7.2
Thermal Shock Resistance, points 13
22 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 0
11.5 to 12.5
Copper (Cu), % 64.5 to 69.9
0 to 0.3
Iron (Fe), % 0.5 to 1.5
83.8 to 87.2
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 29 to 31
0.8 to 1.5
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
Vanadium (V), % 0
0 to 0.080
Zinc (Zn), % 0 to 0.5
0