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C35000 Brass vs. C87900 Brass

Both C35000 brass and C87900 brass are copper alloys. They have a moderately high 95% of their average alloy composition in common. There are 25 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 C35000 brass and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 53 to 91
70
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 340 to 650
480

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 920
930
Melting Onset (Solidus), °C 890
900
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
15
Electrical Conductivity: Equal Weight (Specific), % IACS 29
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12 to 22
17
Strength to Weight: Bending, points 13 to 21
17
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 11 to 22
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 60 to 63
63 to 69.2
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 0.8 to 2.0
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 34.5 to 39.2
30 to 36
Residuals, % 0 to 0.4
0