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CC381H Copper-nickel vs. S44537 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while S44537 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 S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
180
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
21
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 52
79
Tensile Strength: Ultimate (UTS), MPa 380
510
Tensile Strength: Yield (Proof), MPa 140
360

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 260
1000
Melting Completion (Liquidus), °C 1180
1480
Melting Onset (Solidus), °C 1120
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 40
19
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 5.0
3.4
Embodied Energy, MJ/kg 73
50
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
95
Resilience: Unit (Modulus of Resilience), kJ/m3 68
320
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
5.6
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.1
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 64.5 to 69.9
0 to 0.5
Iron (Fe), % 0.5 to 1.5
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 0.8
Nickel (Ni), % 29 to 31
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.010
0 to 0.050
Silicon (Si), % 0 to 0.1
0.1 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 0 to 0.5
0