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ASTM B817 Type II vs. C70600 Copper-nickel

ASTM B817 type II belongs to the titanium alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 3.0 to 13
3.0 to 34
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 900 to 960
290 to 570
Tensile Strength: Yield (Proof), MPa 780 to 900
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 350
220
Melting Completion (Liquidus), °C 1580
1150
Melting Onset (Solidus), °C 1530
1100
Specific Heat Capacity, J/kg-K 550
390
Thermal Expansion, µm/m-K 9.9
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
33
Density, g/cm3 4.6
8.9
Embodied Carbon, kg CO2/kg material 40
3.4
Embodied Energy, MJ/kg 650
51
Embodied Water, L/kg 220
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
16 to 290
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 34
19
Strength to Weight: Axial, points 55 to 58
9.1 to 18
Strength to Weight: Bending, points 45 to 47
11 to 17
Thermal Shock Resistance, points 62 to 66
9.8 to 19

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0.35 to 1.0
84.7 to 90
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Silicon (Si), % 0 to 0.1
0
Sodium (Na), % 0 to 0.2
0
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0 to 0.4
0 to 0.5