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C68400 Brass vs. C26000 Brass

Both C68400 brass and C26000 brass are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C26000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
2.5 to 66
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
41
Shear Strength, MPa 330
230 to 390
Tensile Strength: Ultimate (UTS), MPa 540
320 to 680
Tensile Strength: Yield (Proof), MPa 310
110 to 570

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 840
950
Melting Onset (Solidus), °C 820
920
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 66
120
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
28
Electrical Conductivity: Equal Weight (Specific), % IACS 99
31

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
6.1 to 420
Resilience: Unit (Modulus of Resilience), kJ/m3 460
51 to 1490
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
11 to 23
Strength to Weight: Bending, points 19
13 to 21
Thermal Diffusivity, mm2/s 21
38
Thermal Shock Resistance, points 18
11 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Bismuth (Bi), % 0
0 to 0.0059
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
68.5 to 71.5
Iron (Fe), % 0 to 1.0
0 to 0.050
Lead (Pb), % 0 to 0.090
0 to 0.070
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
28.1 to 31.5
Residuals, % 0
0 to 0.3