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C71580 Copper-nickel vs. S30452 Stainless Steel

C71580 copper-nickel belongs to the copper alloys classification, while S30452 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 C71580 copper-nickel and the bottom bar is S30452 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
210
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 40
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 51
77
Shear Strength, MPa 230
440
Tensile Strength: Ultimate (UTS), MPa 330
660
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 260
960
Melting Completion (Liquidus), °C 1180
1420
Melting Onset (Solidus), °C 1120
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 41
15
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
3.0
Embodied Energy, MJ/kg 74
43
Embodied Water, L/kg 280
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 47
250
Stiffness to Weight: Axial, points 8.5
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10
23
Strength to Weight: Bending, points 12
22
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 65.5 to 71
0
Iron (Fe), % 0 to 0.5
66.3 to 73.8
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.3
0 to 2.0
Nickel (Ni), % 29 to 33
8.0 to 10.5
Nitrogen (N), % 0
0.16 to 0.3
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.5
0