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C26800 Brass vs. C42500 Brass

Both C26800 brass and C42500 brass are copper alloys. They have 75% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C26800 brass and the bottom bar is C42500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.33
Rockwell B Hardness 53 to 91
60 to 92
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 310 to 650
310 to 630

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 930
1030
Melting Onset (Solidus), °C 900
1010
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
28
Electrical Conductivity: Equal Weight (Specific), % IACS 30
29

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 320
330

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11 to 22
9.9 to 20
Strength to Weight: Bending, points 13 to 21
12 to 19
Thermal Diffusivity, mm2/s 37
36
Thermal Shock Resistance, points 10 to 22
11 to 22

Alloy Composition

Copper (Cu), % 64 to 68.5
87 to 90
Iron (Fe), % 0 to 0.050
0 to 0.050
Lead (Pb), % 0 to 0.15
0 to 0.050
Phosphorus (P), % 0
0 to 0.35
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 31 to 36
6.1 to 11.5
Residuals, % 0
0 to 0.5

Comparable Variants