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CC381H Copper-nickel vs. EN 1.4886 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4886 stainless steel belongs to the iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
170
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 380
580
Tensile Strength: Yield (Proof), MPa 140
300

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Maximum Temperature: Mechanical, °C 260
1100
Melting Completion (Liquidus), °C 1180
1390
Melting Onset (Solidus), °C 1120
1340
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 40
31
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 5.0
5.4
Embodied Energy, MJ/kg 73
76
Embodied Water, L/kg 280
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
220
Resilience: Unit (Modulus of Resilience), kJ/m3 68
230
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
20
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 8.4
3.1
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
38.7 to 49
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 2.0
Nickel (Ni), % 29 to 31
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
1.0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Zinc (Zn), % 0 to 0.5
0