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C68300 Brass vs. CR007A Copper

Both C68300 brass and CR007A copper are copper alloys. They have 61% of their average alloy composition in common. There are 26 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 C68300 brass and the bottom bar is CR007A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 15
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 430
230
Tensile Strength: Yield (Proof), MPa 260
140

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1090
Melting Onset (Solidus), °C 890
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
380
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
31
Resilience: Unit (Modulus of Resilience), kJ/m3 330
83
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
7.1
Strength to Weight: Bending, points 16
9.3
Thermal Diffusivity, mm2/s 38
110
Thermal Shock Resistance, points 14
8.1

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
99.994 to 100
Iron (Fe), % 0
0 to 0.0010
Lead (Pb), % 0 to 0.090
0 to 0.00050
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0.3 to 1.0
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0 to 0.5
0