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C99750 Brass vs. C70620 Copper-nickel

Both C99750 brass and C70620 copper-nickel are copper alloys. They have 62% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C99750 brass and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Poisson's Ratio 0.32
0.34
Rockwell B Hardness 77 to 82
65 to 87
Shear Modulus, GPa 48
46
Tensile Strength: Ultimate (UTS), MPa 450 to 520
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 840
1120
Melting Onset (Solidus), °C 820
1060
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 8.6
7.7
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 15 to 18
9.3 to 18
Strength to Weight: Bending, points 16 to 18
11 to 17
Thermal Shock Resistance, points 13 to 15
10 to 20

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 55 to 61
86.5 to 90
Iron (Fe), % 0 to 1.0
1.0 to 1.8
Lead (Pb), % 0.5 to 2.5
0 to 0.020
Manganese (Mn), % 17 to 23
0 to 1.0
Nickel (Ni), % 0 to 5.0
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 17 to 23
0 to 0.5
Residuals, % 0
0 to 0.5