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CC765S Brass vs. C99700 Brass

Both CC765S brass and C99700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC765S brass and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 21
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 540
380
Tensile Strength: Yield (Proof), MPa 220
170

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 860
900
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
78
Resilience: Unit (Modulus of Resilience), kJ/m3 220
120
Stiffness to Weight: Axial, points 7.6
8.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
13
Strength to Weight: Bending, points 18
14
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0.5 to 3.0
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 51 to 65
54 to 65.5
Iron (Fe), % 0.5 to 2.0
0 to 1.0
Lead (Pb), % 0 to 0.5
0 to 2.0
Manganese (Mn), % 0.3 to 3.0
11 to 15
Nickel (Ni), % 0 to 6.0
4.0 to 6.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 1.0
0 to 1.0
Zinc (Zn), % 19.8 to 47.7
19 to 25
Residuals, % 0
0 to 0.3