MakeItFrom.com
Menu (ESC)

C87500 Brass vs. C99700 Brass

Both C87500 brass and C99700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% 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 C87500 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, % 18
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 460
380
Tensile Strength: Yield (Proof), MPa 190
170

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 920
900
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 410
410
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
25
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
78
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120
Stiffness to Weight: Axial, points 7.4
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
13
Strength to Weight: Bending, points 16
14
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0 to 0.5
0.5 to 3.0
Copper (Cu), % 79 to 85
54 to 65.5
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0 to 0.5
0 to 2.0
Manganese (Mn), % 0
11 to 15
Nickel (Ni), % 0
4.0 to 6.0
Silicon (Si), % 3.0 to 5.0
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 12 to 16
19 to 25
Residuals, % 0
0 to 0.3