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CC381H Copper-nickel vs. EN 1.4821 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4821 stainless 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 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
200
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
18
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 52
79
Tensile Strength: Ultimate (UTS), MPa 380
730
Tensile Strength: Yield (Proof), MPa 140
450

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 260
1100
Melting Completion (Liquidus), °C 1180
1410
Melting Onset (Solidus), °C 1120
1370
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
15
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 5.0
2.9
Embodied Energy, MJ/kg 73
41
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
110
Resilience: Unit (Modulus of Resilience), kJ/m3 68
500
Stiffness to Weight: Axial, points 8.6
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 12
26
Strength to Weight: Bending, points 13
23
Thermal Diffusivity, mm2/s 8.4
4.6
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
64.2 to 71.1
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 2.0
Nickel (Ni), % 29 to 31
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0.8 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Zinc (Zn), % 0 to 0.5
0