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CC381H Copper-nickel vs. S40930 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while S40930 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 S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
160
Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 20
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
75
Tensile Strength: Ultimate (UTS), MPa 380
430
Tensile Strength: Yield (Proof), MPa 140
190

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 260
710
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
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
8.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
2.3
Embodied Energy, MJ/kg 73
32
Embodied Water, L/kg 280
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
80
Resilience: Unit (Modulus of Resilience), kJ/m3 68
94
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
16
Strength to Weight: Bending, points 13
16
Thermal Diffusivity, mm2/s 8.4
6.7
Thermal Shock Resistance, points 13
16

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 11.7
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
84.7 to 89.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Nickel (Ni), % 29 to 31
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
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 0.020
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 0 to 0.5
0