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C27200 Brass vs. C69710 Brass

Both C27200 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 C27200 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, % 10 to 50
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Shear Strength, MPa 230 to 320
300
Tensile Strength: Ultimate (UTS), MPa 370 to 590
470
Tensile Strength: Yield (Proof), MPa 150 to 410
230

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 920
930
Melting Onset (Solidus), °C 870
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 31
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
99
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
250
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 20
16
Strength to Weight: Bending, points 14 to 19
16
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 12 to 20
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 62 to 65
75 to 80
Iron (Fe), % 0 to 0.070
0 to 0.2
Lead (Pb), % 0 to 0.070
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Silicon (Si), % 0
2.5 to 3.5
Zinc (Zn), % 34.6 to 38
13.8 to 22
Residuals, % 0
0 to 0.5