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CC754S Brass vs. C85900 Brass

Both CC754S brass and C85900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is CC754S brass and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
85
Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 11
30
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 320
460
Tensile Strength: Yield (Proof), MPa 160
190

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 830
830
Melting Onset (Solidus), °C 780
790
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 95
89
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
25
Electrical Conductivity: Equal Weight (Specific), % IACS 30
28

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 47
49
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
170
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11
16
Strength to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 31
29
Thermal Shock Resistance, points 10
16

Alloy Composition

Aluminum (Al), % 0 to 0.8
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Copper (Cu), % 57 to 63
58 to 62
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0.5 to 2.5
0 to 0.090
Manganese (Mn), % 0 to 0.5
0 to 0.010
Nickel (Ni), % 0 to 1.0
0 to 1.5
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.3
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0 to 1.0
0 to 1.5
Zinc (Zn), % 30.2 to 42.5
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7