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C99700 Brass vs. C27200 Brass

Both C99700 brass and C27200 brass are copper alloys. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 25
10 to 50
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 380
370 to 590
Tensile Strength: Yield (Proof), MPa 170
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 900
920
Melting Onset (Solidus), °C 880
870
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 53
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 120
110 to 810
Stiffness to Weight: Axial, points 8.3
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
13 to 20
Strength to Weight: Bending, points 14
14 to 19
Thermal Shock Resistance, points 11
12 to 20

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Copper (Cu), % 54 to 65.5
62 to 65
Iron (Fe), % 0 to 1.0
0 to 0.070
Lead (Pb), % 0 to 2.0
0 to 0.070
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
34.6 to 38
Residuals, % 0
0 to 0.3