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C72150 Copper-nickel vs. S44537 Stainless Steel

C72150 copper-nickel belongs to the copper alloys classification, while S44537 stainless steel belongs to the iron alloys. There are 30 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 C72150 copper-nickel and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 99
180
Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 29
21
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 55
79
Shear Strength, MPa 320
320
Tensile Strength: Ultimate (UTS), MPa 490
510
Tensile Strength: Yield (Proof), MPa 210
360

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 600
1000
Melting Completion (Liquidus), °C 1210
1480
Melting Onset (Solidus), °C 1250
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 22
21
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 45
19
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 6.1
3.4
Embodied Energy, MJ/kg 88
50
Embodied Water, L/kg 270
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
95
Resilience: Unit (Modulus of Resilience), kJ/m3 150
320
Stiffness to Weight: Axial, points 9.1
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 6.0
5.6
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 52.5 to 57
0 to 0.5
Iron (Fe), % 0 to 0.1
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 0.8
Nickel (Ni), % 43 to 46
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.5
0.1 to 0.6
Sulfur (S), % 0
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0