MakeItFrom.com
Menu (ESC)

C72900 Copper-nickel vs. S31727 Stainless Steel

C72900 copper-nickel belongs to the copper alloys classification, while S31727 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 6.0 to 20
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 45
78
Shear Strength, MPa 540 to 630
430
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
630
Tensile Strength: Yield (Proof), MPa 700 to 920
270

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 210
1010
Melting Completion (Liquidus), °C 1120
1440
Melting Onset (Solidus), °C 950
1390
Specific Heat Capacity, J/kg-K 380
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
24
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 4.6
4.7
Embodied Energy, MJ/kg 72
64
Embodied Water, L/kg 360
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
200
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
190
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 27 to 34
22
Strength to Weight: Bending, points 23 to 27
20
Thermal Shock Resistance, points 31 to 38
14

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 74.1 to 78
2.8 to 4.0
Iron (Fe), % 0 to 0.5
53.7 to 61.3
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 14.5 to 15.5
14.5 to 16.5
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0