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C21000 Brass vs. C96300 Copper-nickel

Both C21000 brass and C96300 copper-nickel are copper alloys. They have 77% of their average alloy composition in common. There are 28 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 C21000 brass and the bottom bar is C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 2.9 to 50
11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
49
Tensile Strength: Ultimate (UTS), MPa 240 to 450
580
Tensile Strength: Yield (Proof), MPa 69 to 440
430

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 190
240
Melting Completion (Liquidus), °C 1070
1200
Melting Onset (Solidus), °C 1050
1150
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 230
37
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 57
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
42
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 42
76
Embodied Water, L/kg 310
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
59
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
720
Stiffness to Weight: Axial, points 7.2
8.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
18
Strength to Weight: Bending, points 9.6 to 15
17
Thermal Diffusivity, mm2/s 69
10
Thermal Shock Resistance, points 8.1 to 15
20

Alloy Composition

Carbon (C), % 0
0 to 0.15
Copper (Cu), % 94 to 96
72.3 to 80.8
Iron (Fe), % 0 to 0.050
0.5 to 1.5
Lead (Pb), % 0 to 0.030
0 to 0.010
Manganese (Mn), % 0
0.25 to 1.5
Nickel (Ni), % 0
18 to 22
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 3.7 to 6.0
0
Residuals, % 0
0 to 0.5