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C68300 Brass vs. C70600 Copper-nickel

Both C68300 brass and C70600 copper-nickel are copper alloys. They have 62% of their average alloy composition in common. There are 27 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 C68300 brass and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 15
3.0 to 34
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
46
Shear Strength, MPa 260
190 to 330
Tensile Strength: Ultimate (UTS), MPa 430
290 to 570
Tensile Strength: Yield (Proof), MPa 260
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 900
1150
Melting Onset (Solidus), °C 890
1100
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
44
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 330
16 to 290
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
9.1 to 18
Strength to Weight: Bending, points 16
11 to 17
Thermal Diffusivity, mm2/s 38
13
Thermal Shock Resistance, points 14
9.8 to 19

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
84.7 to 90
Iron (Fe), % 0
1.0 to 1.8
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0.3 to 1.0
0
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0 to 1.0
Residuals, % 0
0 to 0.5