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C69300 Brass vs. CR008A Copper

Both C69300 brass and CR008A copper are copper alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69300 brass and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 8.5 to 15
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 550 to 630
220
Tensile Strength: Yield (Proof), MPa 300 to 390
130

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 880
1090
Melting Onset (Solidus), °C 860
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 38
380
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
100

Otherwise Unclassified Properties

Base Metal Price, % relative 26
31
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
29
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
76
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 21
6.8
Strength to Weight: Bending, points 18 to 20
9.0
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 19 to 22
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 73 to 77
99.95 to 100
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.090
0 to 0.0050
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 18.4 to 24.3
0
Residuals, % 0 to 0.5
0