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C99700 Brass vs. C34200 Brass

Both C99700 brass and C34200 brass are copper alloys. They have 83% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is C34200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 25
3.0 to 17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 380
370 to 650
Tensile Strength: Yield (Proof), MPa 170
150 to 420

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 900
910
Melting Onset (Solidus), °C 880
890
Specific Heat Capacity, J/kg-K 410
380
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 3.3
2.6
Embodied Energy, MJ/kg 53
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
9.0 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 120
110 to 870
Stiffness to Weight: Axial, points 8.3
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
13 to 22
Strength to Weight: Bending, points 14
14 to 20
Thermal Shock Resistance, points 11
12 to 22

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 0.1
Lead (Pb), % 0 to 2.0
1.5 to 2.5
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
32 to 36.5
Residuals, % 0
0 to 0.4