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ASTM B817 Type II vs. C61900 Bronze

ASTM B817 type II belongs to the titanium alloys classification, while C61900 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 C61900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 3.0 to 13
21 to 32
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 900 to 960
570 to 650
Tensile Strength: Yield (Proof), MPa 780 to 900
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 350
220
Melting Completion (Liquidus), °C 1580
1050
Melting Onset (Solidus), °C 1530
1040
Specific Heat Capacity, J/kg-K 550
440
Thermal Expansion, µm/m-K 9.9
18

Otherwise Unclassified Properties

Base Metal Price, % relative 37
28
Density, g/cm3 4.6
8.3
Embodied Carbon, kg CO2/kg material 40
3.1
Embodied Energy, MJ/kg 650
51
Embodied Water, L/kg 220
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
230 to 430
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 34
19
Strength to Weight: Axial, points 55 to 58
19 to 22
Strength to Weight: Bending, points 45 to 47
18 to 20
Thermal Shock Resistance, points 62 to 66
20 to 23

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
8.5 to 10
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0.35 to 1.0
83.6 to 88.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
3.0 to 4.5
Lead (Pb), % 0
0 to 0.020
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 0.6
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0 to 0.4
0 to 0.5