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C72150 Copper-nickel vs. S30441 Stainless Steel

C72150 copper-nickel belongs to the copper alloys classification, while S30441 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 S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 99
170
Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 29
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 55
76
Shear Strength, MPa 320
400
Tensile Strength: Ultimate (UTS), MPa 490
580
Tensile Strength: Yield (Proof), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 600
940
Melting Completion (Liquidus), °C 1210
1420
Melting Onset (Solidus), °C 1250
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 45
18
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 6.1
3.4
Embodied Energy, MJ/kg 88
50
Embodied Water, L/kg 270
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140
Stiffness to Weight: Axial, points 9.1
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 6.0
4.0
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 52.5 to 57
1.5 to 2.5
Iron (Fe), % 0 to 0.1
62 to 71.7
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Nickel (Ni), % 43 to 46
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0