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C66900 Brass vs. CR021A Copper

Both C66900 brass and CR021A copper are copper alloys. They have 64% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 1.1 to 26
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
43
Tensile Strength: Ultimate (UTS), MPa 460 to 770
230
Tensile Strength: Yield (Proof), MPa 330 to 760
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 150
200
Melting Completion (Liquidus), °C 860
1090
Melting Onset (Solidus), °C 850
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
98
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
99

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
31
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
83
Stiffness to Weight: Axial, points 8.1
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 26
7.1
Strength to Weight: Bending, points 16 to 23
9.3
Thermal Shock Resistance, points 14 to 23
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 62.5 to 64.5
99.95 to 99.998
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.050
0 to 0.0050
Manganese (Mn), % 11.5 to 12.5
0
Phosphorus (P), % 0
0.0020 to 0.0070
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0 to 0.2
0