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C85800 Brass vs. C68300 Brass

Both C85800 brass and C68300 brass are copper alloys. They have a very high 98% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C85800 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, % 15
15
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 56
60
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 380
430
Tensile Strength: Yield (Proof), MPa 210
260

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 870
890
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 84
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 2.8
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
56
Resilience: Unit (Modulus of Resilience), kJ/m3 210
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
15
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 27
38
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0 to 0.55
0
Antimony (Sb), % 0 to 0.050
0.3 to 1.0
Arsenic (As), % 0 to 0.050
0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 57 to 69
59 to 63
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 1.5
0 to 0.090
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
0.3 to 1.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0.050 to 0.2
Zinc (Zn), % 31 to 41
34.2 to 40.4
Residuals, % 0
0 to 0.5