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C69710 Brass vs. C99700 Brass

Both C69710 brass and C99700 brass are copper alloys. They have 79% 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 C69710 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, % 25
25
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 470
380
Tensile Strength: Yield (Proof), MPa 230
170

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 930
900
Melting Onset (Solidus), °C 880
880
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
25
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
78
Resilience: Unit (Modulus of Resilience), kJ/m3 250
120
Stiffness to Weight: Axial, points 7.3
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
13
Strength to Weight: Bending, points 16
14
Thermal Shock Resistance, points 16
11

Alloy Composition

Aluminum (Al), % 0
0.5 to 3.0
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
54 to 65.5
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 0.5 to 1.5
0 to 2.0
Manganese (Mn), % 0 to 0.4
11 to 15
Nickel (Ni), % 0
4.0 to 6.0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 13.8 to 22
19 to 25
Residuals, % 0
0 to 0.3