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C84200 Brass vs. C99700 Brass

Both C84200 brass and C99700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C84200 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, % 15
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 250
380
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 990
900
Melting Onset (Solidus), °C 840
880
Specific Heat Capacity, J/kg-K 370
410
Thermal Expansion, µm/m-K 19
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 8.5
8.1
Embodied Carbon, kg CO2/kg material 3.1
3.3
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
78
Resilience: Unit (Modulus of Resilience), kJ/m3 72
120
Stiffness to Weight: Axial, points 6.9
8.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.2
13
Strength to Weight: Bending, points 10
14
Thermal Shock Resistance, points 9.1
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.5 to 3.0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
54 to 65.5
Iron (Fe), % 0 to 0.4
0 to 1.0
Lead (Pb), % 2.0 to 3.0
0 to 2.0
Manganese (Mn), % 0
11 to 15
Nickel (Ni), % 0 to 0.8
4.0 to 6.0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0 to 1.0
Zinc (Zn), % 10 to 16
19 to 25
Residuals, % 0
0 to 0.3