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ASTM B817 Type II vs. C64700 Bronze

ASTM B817 type II belongs to the titanium alloys classification, while C64700 bronze belongs to the copper 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 ASTM B817 type II and the bottom bar is C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 3.0 to 13
9.0
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 900 to 960
660
Tensile Strength: Yield (Proof), MPa 780 to 900
560

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 350
200
Melting Completion (Liquidus), °C 1580
1090
Melting Onset (Solidus), °C 1530
1030
Specific Heat Capacity, J/kg-K 550
390
Thermal Expansion, µm/m-K 9.9
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 4.6
8.9
Embodied Carbon, kg CO2/kg material 40
2.7
Embodied Energy, MJ/kg 650
43
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
57
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
1370
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 34
18
Strength to Weight: Axial, points 55 to 58
21
Strength to Weight: Bending, points 45 to 47
19
Thermal Shock Resistance, points 62 to 66
24

Alloy Composition


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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
95.8 to 98
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 0.1
Lead (Pb), % 0
0 to 0.1
Nickel (Ni), % 0
1.6 to 2.2
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Silicon (Si), % 0 to 0.1
0.4 to 0.8
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 0.5
Residuals, % 0 to 0.4
0 to 0.5