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C68700 Brass vs. C48600 Brass

Both C68700 brass and C48600 brass are copper alloys. They have 81% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 390
280 to 360
Tensile Strength: Yield (Proof), MPa 140
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 970
900
Melting Onset (Solidus), °C 930
890
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 100
110
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
25
Electrical Conductivity: Equal Weight (Specific), % IACS 25
28

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
61 to 140
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
9.5 to 12
Strength to Weight: Bending, points 14
12 to 14
Thermal Diffusivity, mm2/s 30
36
Thermal Shock Resistance, points 13
9.3 to 12

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0.020 to 0.25
Copper (Cu), % 76 to 79
59 to 62
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
1.0 to 2.5
Tin (Sn), % 0
0.3 to 1.5
Zinc (Zn), % 17.8 to 22.2
33.4 to 39.7
Residuals, % 0
0 to 0.4