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CC765S Brass vs. C37700 Brass

Both CC765S brass and C37700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common. There are 28 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 C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 21
40
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 540
400
Tensile Strength: Yield (Proof), MPa 220
160

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
120
Melting Completion (Liquidus), °C 860
890
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 91
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
27
Electrical Conductivity: Equal Weight (Specific), % IACS 34
30

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
130
Resilience: Unit (Modulus of Resilience), kJ/m3 220
120
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
14
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 28
39
Thermal Shock Resistance, points 17
13

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 51 to 65
58 to 61
Iron (Fe), % 0.5 to 2.0
0 to 0.3
Lead (Pb), % 0 to 0.5
1.5 to 2.5
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
35.7 to 40.5
Residuals, % 0
0 to 0.5