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C72700 Copper-nickel vs. S30615 Stainless Steel

C72700 copper-nickel belongs to the copper alloys classification, while S30615 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 4.0 to 36
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
75
Shear Strength, MPa 310 to 620
470
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
690
Tensile Strength: Yield (Proof), MPa 580 to 1060
310

Thermal Properties

Latent Heat of Fusion, J/g 210
340
Maximum Temperature: Mechanical, °C 200
960
Melting Completion (Liquidus), °C 1100
1370
Melting Onset (Solidus), °C 930
1320
Specific Heat Capacity, J/kg-K 380
500
Thermal Conductivity, W/m-K 54
14
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.8
7.6
Embodied Carbon, kg CO2/kg material 4.0
3.7
Embodied Energy, MJ/kg 62
53
Embodied Water, L/kg 350
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
260
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14 to 34
25
Strength to Weight: Bending, points 15 to 26
23
Thermal Diffusivity, mm2/s 16
3.7
Thermal Shock Resistance, points 16 to 38
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0
0.16 to 0.24
Chromium (Cr), % 0
17 to 19.5
Copper (Cu), % 82.1 to 86
0
Iron (Fe), % 0 to 0.5
56.7 to 65.3
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 2.0
Nickel (Ni), % 8.5 to 9.5
13.5 to 16
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
3.2 to 4.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 6.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0