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ASTM B817 Type II vs. C72150 Copper-nickel

ASTM B817 type II belongs to the titanium alloys classification, while C72150 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 C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
150
Elongation at Break, % 3.0 to 13
29
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
55
Tensile Strength: Ultimate (UTS), MPa 900 to 960
490
Tensile Strength: Yield (Proof), MPa 780 to 900
210

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 350
600
Melting Completion (Liquidus), °C 1580
1210
Melting Onset (Solidus), °C 1530
1250
Specific Heat Capacity, J/kg-K 550
410
Thermal Expansion, µm/m-K 9.9
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
45
Density, g/cm3 4.6
8.9
Embodied Carbon, kg CO2/kg material 40
6.1
Embodied Energy, MJ/kg 650
88
Embodied Water, L/kg 220
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
150
Stiffness to Weight: Axial, points 13
9.1
Stiffness to Weight: Bending, points 34
20
Strength to Weight: Axial, points 55 to 58
15
Strength to Weight: Bending, points 45 to 47
15
Thermal Shock Resistance, points 62 to 66
18

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0 to 0.1
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0.35 to 1.0
52.5 to 57
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
43 to 46
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Silicon (Si), % 0 to 0.1
0 to 0.5
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 0.2
Residuals, % 0 to 0.4
0 to 0.5