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ASTM B817 Type II vs. C63020 Bronze

ASTM B817 type II belongs to the titanium alloys classification, while C63020 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 3.0 to 13
6.8
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 900 to 960
1020
Tensile Strength: Yield (Proof), MPa 780 to 900
740

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 350
230
Melting Completion (Liquidus), °C 1580
1070
Melting Onset (Solidus), °C 1530
1020
Specific Heat Capacity, J/kg-K 550
450
Thermal Expansion, µm/m-K 9.9
18

Otherwise Unclassified Properties

Base Metal Price, % relative 37
29
Density, g/cm3 4.6
8.2
Embodied Carbon, kg CO2/kg material 40
3.6
Embodied Energy, MJ/kg 650
58
Embodied Water, L/kg 220
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
63
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
2320
Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 34
20
Strength to Weight: Axial, points 55 to 58
34
Strength to Weight: Bending, points 45 to 47
27
Thermal Shock Resistance, points 62 to 66
35

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
10 to 11
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0.35 to 1.0
74.7 to 81.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
4.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
4.2 to 6.0
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 to 0.25
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5