MakeItFrom.com
Menu (ESC)

C85800 Brass vs. C68800 Brass

Both C85800 brass and C68800 brass are copper alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
2.0 to 36
Poisson's Ratio 0.31
0.32
Rockwell B Hardness 56
81 to 99
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 380
570 to 890
Tensile Strength: Yield (Proof), MPa 210
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
960
Melting Onset (Solidus), °C 870
950
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 84
40
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
18
Electrical Conductivity: Equal Weight (Specific), % IACS 22
20

Otherwise Unclassified Properties

Base Metal Price, % relative 24
26
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
48
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 210
710 to 2860
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
19 to 30
Strength to Weight: Bending, points 15
19 to 25
Thermal Diffusivity, mm2/s 27
12
Thermal Shock Resistance, points 13
19 to 30

Alloy Composition

Aluminum (Al), % 0 to 0.55
3.0 to 3.8
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 57 to 69
70.8 to 75.5
Iron (Fe), % 0 to 0.5
0 to 0.2
Lead (Pb), % 0 to 1.5
0 to 0.050
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 31 to 41
21.3 to 24.1
Residuals, % 0
0 to 0.5