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CC381H Copper-nickel vs. S40977 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while S40977 stainless steel belongs to the iron alloys. There are 29 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 S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
160
Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 20
21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 380
510
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 260
720
Melting Completion (Liquidus), °C 1180
1440
Melting Onset (Solidus), °C 1120
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
25
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
6.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.9
Embodied Energy, MJ/kg 73
27
Embodied Water, L/kg 280
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
92
Resilience: Unit (Modulus of Resilience), kJ/m3 68
250
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 8.4
6.7
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
83.9 to 89.2
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.5
Nickel (Ni), % 29 to 31
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
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 0.015
Zinc (Zn), % 0 to 0.5
0