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C85800 Brass vs. C99700 Brass

Both C85800 brass and C99700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common. There are 26 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 C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 15
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 380
380
Tensile Strength: Yield (Proof), MPa 210
170

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 870
880
Specific Heat Capacity, J/kg-K 380
410
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 22
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 47
53
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
78
Resilience: Unit (Modulus of Resilience), kJ/m3 210
120
Stiffness to Weight: Axial, points 7.2
8.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
13
Strength to Weight: Bending, points 15
14
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0 to 0.55
0.5 to 3.0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 57 to 69
54 to 65.5
Iron (Fe), % 0 to 0.5
0 to 1.0
Lead (Pb), % 0 to 1.5
0 to 2.0
Manganese (Mn), % 0 to 0.25
11 to 15
Nickel (Ni), % 0 to 0.5
4.0 to 6.0
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 to 1.0
Zinc (Zn), % 31 to 41
19 to 25
Residuals, % 0
0 to 0.3