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ASTM B817 Type II vs. C78200 Nickel Silver

ASTM B817 type II belongs to the titanium alloys classification, while C78200 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 3.0 to 13
3.0 to 40
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 900 to 960
370 to 630
Tensile Strength: Yield (Proof), MPa 780 to 900
170 to 570

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 350
160
Melting Completion (Liquidus), °C 1580
1000
Melting Onset (Solidus), °C 1530
970
Specific Heat Capacity, J/kg-K 550
390
Thermal Expansion, µm/m-K 9.9
19

Otherwise Unclassified Properties

Base Metal Price, % relative 37
28
Density, g/cm3 4.6
8.4
Embodied Carbon, kg CO2/kg material 40
3.3
Embodied Energy, MJ/kg 650
52
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
18 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
130 to 1440
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 34
19
Strength to Weight: Axial, points 55 to 58
12 to 21
Strength to Weight: Bending, points 45 to 47
14 to 19
Thermal Shock Resistance, points 62 to 66
12 to 21

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
63 to 67
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
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
20.2 to 28.5
Residuals, % 0 to 0.4
0 to 0.5