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C35000 Brass vs. C71520 Copper-nickel

Both C35000 brass and C71520 copper-nickel are copper alloys. They have 62% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C35000 brass and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
140
Poisson's Ratio 0.31
0.33
Rockwell B Hardness 53 to 91
35 to 86
Shear Modulus, GPa 40
51
Tensile Strength: Ultimate (UTS), MPa 340 to 650
370 to 570

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 120
260
Melting Completion (Liquidus), °C 920
1170
Melting Onset (Solidus), °C 890
1120
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
32
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 29
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
40
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
5.0
Embodied Energy, MJ/kg 45
73
Embodied Water, L/kg 320
280

Common Calculations

Stiffness to Weight: Axial, points 7.1
8.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12 to 22
12 to 18
Strength to Weight: Bending, points 13 to 21
13 to 17
Thermal Diffusivity, mm2/s 37
8.9
Thermal Shock Resistance, points 11 to 22
12 to 19

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 60 to 63
65 to 71.6
Iron (Fe), % 0 to 0.1
0.4 to 1.0
Lead (Pb), % 0.8 to 2.0
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 34.5 to 39.2
0 to 0.5
Residuals, % 0
0 to 0.5

Comparable Variants