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ASTM B817 Type II vs. CC765S Brass

ASTM B817 type II belongs to the titanium alloys classification, while CC765S brass 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 CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 3.0 to 13
21
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 900 to 960
540
Tensile Strength: Yield (Proof), MPa 780 to 900
220

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 350
140
Melting Completion (Liquidus), °C 1580
860
Melting Onset (Solidus), °C 1530
820
Specific Heat Capacity, J/kg-K 550
400
Thermal Expansion, µm/m-K 9.9
20

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 4.6
8.0
Embodied Carbon, kg CO2/kg material 40
3.0
Embodied Energy, MJ/kg 650
51
Embodied Water, L/kg 220
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
90
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
220
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 34
20
Strength to Weight: Axial, points 55 to 58
19
Strength to Weight: Bending, points 45 to 47
18
Thermal Shock Resistance, points 62 to 66
17

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0.35 to 1.0
51 to 65
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
0.3 to 3.0
Nickel (Ni), % 0
0 to 6.0
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.1
Sodium (Na), % 0 to 0.2
0
Tin (Sn), % 1.5 to 2.5
0 to 1.0
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Zinc (Zn), % 0
19.8 to 47.7
Residuals, % 0 to 0.4
0