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C87900 Brass vs. C70260 Copper

Both C87900 brass and C70260 copper are copper alloys. They have 67% 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 C87900 brass and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
9.5 to 19
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 480
520 to 760
Tensile Strength: Yield (Proof), MPa 240
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 930
1060
Melting Onset (Solidus), °C 900
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 17
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 270
710 to 1810
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 17
16 to 24
Strength to Weight: Bending, points 17
16 to 21
Thermal Diffusivity, mm2/s 37
45
Thermal Shock Resistance, points 16
18 to 27

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
95.8 to 98.8
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
1.0 to 3.0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0.8 to 1.2
0.2 to 0.7
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0
Residuals, % 0
0 to 0.5