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ASTM B817 Type II vs. C72200 Copper-nickel

ASTM B817 type II belongs to the titanium alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
48
Tensile Strength: Ultimate (UTS), MPa 900 to 960
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 350
230
Melting Completion (Liquidus), °C 1580
1180
Melting Onset (Solidus), °C 1530
1120
Specific Heat Capacity, J/kg-K 550
400
Thermal Expansion, µm/m-K 9.9
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 4.6
8.9
Embodied Carbon, kg CO2/kg material 40
3.9
Embodied Energy, MJ/kg 650
59
Embodied Water, L/kg 220
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 34
19
Strength to Weight: Axial, points 55 to 58
11 to 18
Strength to Weight: Bending, points 45 to 47
12 to 17
Thermal Shock Resistance, points 62 to 66
12 to 20

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 0.35 to 1.0
78.1 to 84.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
15 to 18
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 0.2