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C99700 Brass vs. CC751S Brass

Both C99700 brass and CC751S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% 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 C99700 brass and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 25
5.6
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 380
450
Tensile Strength: Yield (Proof), MPa 170
320

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 900
850
Melting Onset (Solidus), °C 880
810
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
28

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
23
Resilience: Unit (Modulus of Resilience), kJ/m3 120
480
Stiffness to Weight: Axial, points 8.3
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
15
Strength to Weight: Bending, points 14
16
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 54 to 65.5
62.7 to 66
Iron (Fe), % 0 to 1.0
0.25 to 0.5
Lead (Pb), % 0 to 2.0
0.8 to 2.2
Manganese (Mn), % 11 to 15
0 to 0.15
Nickel (Ni), % 4.0 to 6.0
0 to 0.8
Silicon (Si), % 0
0.65 to 1.1
Tin (Sn), % 0 to 1.0
0 to 0.8
Zinc (Zn), % 19 to 25
27.9 to 35.6
Residuals, % 0 to 0.3
0