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CC381H Copper-nickel vs. EN 1.3543 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.3543 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is EN 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
220
Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 380
730

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 260
870
Melting Completion (Liquidus), °C 1180
1430
Melting Onset (Solidus), °C 1120
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
22
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 40
9.0
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.3
Embodied Energy, MJ/kg 73
32
Embodied Water, L/kg 280
120

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
27
Strength to Weight: Bending, points 13
24
Thermal Diffusivity, mm2/s 8.4
6.1
Thermal Shock Resistance, points 13
26

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
1.0 to 1.2
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
79.1 to 83.6
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.8
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Zinc (Zn), % 0 to 0.5
0