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C68400 Brass vs. C69710 Brass

Both C68400 brass and C69710 brass are copper alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
41
Shear Strength, MPa 330
300
Tensile Strength: Ultimate (UTS), MPa 540
470
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 840
930
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 66
40
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
99
Resilience: Unit (Modulus of Resilience), kJ/m3 460
250
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 21
12
Thermal Shock Resistance, points 18
16

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Arsenic (As), % 0
0.030 to 0.060
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
75 to 80
Iron (Fe), % 0 to 1.0
0 to 0.2
Lead (Pb), % 0 to 0.090
0.5 to 1.5
Manganese (Mn), % 0.2 to 1.5
0 to 0.4
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
2.5 to 3.5
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
13.8 to 22
Residuals, % 0 to 0.5
0 to 0.5