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CC751S Brass vs. C99700 Brass

Both CC751S brass and C99700 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 CC751S 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, % 5.6
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 450
380
Tensile Strength: Yield (Proof), MPa 320
170

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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