MakeItFrom.com
Menu (ESC)

C46500 Brass vs. C68700 Brass

Both C46500 brass and C68700 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 (5, in this case) are not shown.

For each property being compared, the top bar is C46500 brass and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 380 to 610
390
Tensile Strength: Yield (Proof), MPa 190 to 490
140

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
23
Electrical Conductivity: Equal Weight (Specific), % IACS 29
25

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1170
90
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13 to 21
13
Strength to Weight: Bending, points 15 to 20
14
Thermal Diffusivity, mm2/s 38
30
Thermal Shock Resistance, points 13 to 20
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0.020 to 0.060
0.020 to 0.1
Copper (Cu), % 59 to 62
76 to 79
Iron (Fe), % 0 to 0.1
0 to 0.060
Lead (Pb), % 0 to 0.2
0 to 0.070
Tin (Sn), % 0.5 to 1.0
0
Zinc (Zn), % 36.2 to 40.5
17.8 to 22.2
Residuals, % 0
0 to 0.5