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C87700 Bronze vs. ASTM B817 Type II

C87700 bronze belongs to the copper alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C87700 bronze and the bottom bar is ASTM B817 type II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 3.6
3.0 to 13
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 300
900 to 960
Tensile Strength: Yield (Proof), MPa 120
780 to 900

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 180
350
Melting Completion (Liquidus), °C 980
1580
Melting Onset (Solidus), °C 900
1530
Specific Heat Capacity, J/kg-K 400
550
Thermal Expansion, µm/m-K 18
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 29
37
Density, g/cm3 8.5
4.6
Embodied Carbon, kg CO2/kg material 2.7
40
Embodied Energy, MJ/kg 45
650
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
26 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 64
2890 to 3890
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
34
Strength to Weight: Axial, points 9.8
55 to 58
Strength to Weight: Bending, points 12
45 to 47
Thermal Shock Resistance, points 11
62 to 66

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.0
Antimony (Sb), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Copper (Cu), % 87.5 to 90.5
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0.35 to 1.0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.8
0
Nickel (Ni), % 0 to 0.25
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.15
0
Silicon (Si), % 2.5 to 3.5
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Tin (Sn), % 0 to 2.0
1.5 to 2.5
Titanium (Ti), % 0
82.1 to 87.8
Vanadium (V), % 0
5.0 to 6.0
Zinc (Zn), % 7.0 to 9.0
0
Residuals, % 0
0 to 0.4