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C72700 Copper-nickel vs. EN 1.4962 Stainless Steel

C72700 copper-nickel belongs to the copper alloys classification, while EN 1.4962 stainless steel belongs to the iron alloys. There are 29 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 C72700 copper-nickel and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 4.0 to 36
22 to 34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Shear Strength, MPa 310 to 620
420 to 440
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
630 to 690
Tensile Strength: Yield (Proof), MPa 580 to 1060
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
910
Melting Completion (Liquidus), °C 1100
1480
Melting Onset (Solidus), °C 930
1440
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 54
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 4.0
4.1
Embodied Energy, MJ/kg 62
59
Embodied Water, L/kg 350
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
170 to 610
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14 to 34
21 to 24
Strength to Weight: Bending, points 15 to 26
20 to 21
Thermal Diffusivity, mm2/s 16
3.7
Thermal Shock Resistance, points 16 to 38
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0
0.070 to 0.15
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 82.1 to 86
0
Iron (Fe), % 0 to 0.5
62.1 to 69
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 1.5
Nickel (Ni), % 8.5 to 9.5
12.5 to 14.5
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 5.5 to 6.5
0
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0