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C72700 Copper-nickel vs. ASTM B817 Type II

C72700 copper-nickel belongs to the copper alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 24 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 ASTM B817 type II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 4.0 to 36
3.0 to 13
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
900 to 960
Tensile Strength: Yield (Proof), MPa 580 to 1060
780 to 900

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
350
Melting Completion (Liquidus), °C 1100
1580
Melting Onset (Solidus), °C 930
1530
Specific Heat Capacity, J/kg-K 380
550
Thermal Expansion, µm/m-K 17
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
37
Density, g/cm3 8.8
4.6
Embodied Carbon, kg CO2/kg material 4.0
40
Embodied Energy, MJ/kg 62
650
Embodied Water, L/kg 350
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
26 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
2890 to 3890
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
34
Strength to Weight: Axial, points 14 to 34
55 to 58
Strength to Weight: Bending, points 15 to 26
45 to 47
Thermal Shock Resistance, points 16 to 38
62 to 66

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.0
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Copper (Cu), % 82.1 to 86
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0.35 to 1.0
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
1.5 to 2.5
Titanium (Ti), % 0
82.1 to 87.8
Vanadium (V), % 0
5.0 to 6.0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4