MakeItFrom.com
Menu (ESC)

C72700 Copper-nickel vs. S40920 Stainless Steel

C72700 copper-nickel belongs to the copper alloys classification, while S40920 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 4.0 to 36
22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
75
Shear Strength, MPa 310 to 620
270
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
430
Tensile Strength: Yield (Proof), MPa 580 to 1060
190

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
710
Melting Completion (Liquidus), °C 1100
1450
Melting Onset (Solidus), °C 930
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 54
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
6.5
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.0
Embodied Energy, MJ/kg 62
28
Embodied Water, L/kg 350
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
78
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
97
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14 to 34
15
Strength to Weight: Bending, points 15 to 26
16
Thermal Diffusivity, mm2/s 16
6.9
Thermal Shock Resistance, points 16 to 38
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 82.1 to 86
0
Iron (Fe), % 0 to 0.5
85.1 to 89.4
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 1.0
Nickel (Ni), % 8.5 to 9.5
0 to 0.5
Niobium (Nb), % 0 to 0.1
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 5.5 to 6.5
0
Titanium (Ti), % 0
0.15 to 0.5
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0