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C99700 Brass vs. C70600 Copper-nickel

Both C99700 brass and C70600 copper-nickel are copper alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 25
3.0 to 34
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 46
46
Tensile Strength: Ultimate (UTS), MPa 380
290 to 570
Tensile Strength: Yield (Proof), MPa 170
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 900
1150
Melting Onset (Solidus), °C 880
1100
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 3.3
3.4
Embodied Energy, MJ/kg 53
51
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 120
16 to 290
Stiffness to Weight: Axial, points 8.3
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
9.1 to 18
Strength to Weight: Bending, points 14
11 to 17
Thermal Shock Resistance, points 11
9.8 to 19

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Copper (Cu), % 54 to 65.5
84.7 to 90
Iron (Fe), % 0 to 1.0
1.0 to 1.8
Lead (Pb), % 0 to 2.0
0 to 0.050
Manganese (Mn), % 11 to 15
0 to 1.0
Nickel (Ni), % 4.0 to 6.0
9.0 to 11
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
0 to 1.0
Residuals, % 0
0 to 0.5