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C43000 Brass vs. C70620 Copper-nickel

Both C43000 brass and C70620 copper-nickel are copper alloys. They have 86% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C43000 brass and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 30 to 100
65 to 87
Rockwell Superficial 30T Hardness 57 to 86
61 to 75
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 320 to 710
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1030
1120
Melting Onset (Solidus), °C 1000
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
49
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
33
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 330
300

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 23
9.3 to 18
Strength to Weight: Bending, points 12 to 20
11 to 17
Thermal Diffusivity, mm2/s 36
14
Thermal Shock Resistance, points 11 to 25
10 to 20

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 84 to 87
86.5 to 90
Iron (Fe), % 0 to 0.050
1.0 to 1.8
Lead (Pb), % 0 to 0.1
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
0 to 0.5
Residuals, % 0
0 to 0.5

Comparable Variants