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C72700 Copper-nickel vs. ASTM B817 Type I

C72700 copper-nickel belongs to the copper alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 4.0 to 36
4.0 to 13
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
770 to 960
Tensile Strength: Yield (Proof), MPa 580 to 1060
700 to 860

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
340
Melting Completion (Liquidus), °C 1100
1600
Melting Onset (Solidus), °C 930
1550
Specific Heat Capacity, J/kg-K 380
560
Thermal Conductivity, W/m-K 54
7.1
Thermal Expansion, µm/m-K 17
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
36
Density, g/cm3 8.8
4.4
Embodied Carbon, kg CO2/kg material 4.0
38
Embodied Energy, MJ/kg 62
610
Embodied Water, L/kg 350
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
2310 to 3540
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 14 to 34
48 to 60
Strength to Weight: Bending, points 15 to 26
42 to 49
Thermal Diffusivity, mm2/s 16
2.9
Thermal Shock Resistance, points 16 to 38
54 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Copper (Cu), % 82.1 to 86
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.4
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 8.5 to 9.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Tin (Sn), % 5.5 to 6.5
0
Titanium (Ti), % 0
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4