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C84000 Brass vs. C99700 Brass

Both C84000 brass and C99700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 71% 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 C84000 brass and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 27
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 250
380
Tensile Strength: Yield (Proof), MPa 140
170

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1040
900
Melting Onset (Solidus), °C 940
880
Specific Heat Capacity, J/kg-K 380
410
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 49
53
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
78
Resilience: Unit (Modulus of Resilience), kJ/m3 83
120
Stiffness to Weight: Axial, points 7.2
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.2
13
Strength to Weight: Bending, points 10
14
Thermal Shock Resistance, points 9.0
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.5 to 3.0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
54 to 65.5
Iron (Fe), % 0 to 0.4
0 to 1.0
Lead (Pb), % 0 to 0.090
0 to 2.0
Manganese (Mn), % 0 to 0.010
11 to 15
Nickel (Ni), % 0.5 to 2.0
4.0 to 6.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
0 to 1.0
Zinc (Zn), % 5.0 to 14
19 to 25
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 0.3