MakeItFrom.com
Menu (ESC)

C85900 Brass vs. C68300 Brass

Both C85900 brass and C68300 brass are copper alloys. They have a very high 97% 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 C85900 brass and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 30
15
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 460
430
Tensile Strength: Yield (Proof), MPa 190
260

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 830
900
Melting Onset (Solidus), °C 790
890
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
56
Resilience: Unit (Modulus of Resilience), kJ/m3 170
330
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 16
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 29
38
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0
Antimony (Sb), % 0 to 0.2
0.3 to 1.0
Boron (B), % 0 to 0.2
0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 58 to 62
59 to 63
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.090
0 to 0.090
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0.3 to 1.0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 0 to 1.5
0.050 to 0.2
Zinc (Zn), % 31 to 41
34.2 to 40.4
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.5