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C34200 Brass vs. C99700 Brass

Both C34200 brass and C99700 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 C34200 brass and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0.5 to 3.0
Copper (Cu), % 62 to 65
54 to 65.5
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 1.5 to 2.5
0 to 2.0
Manganese (Mn), % 0
11 to 15
Nickel (Ni), % 0
4.0 to 6.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 32 to 36.5
19 to 25
Residuals, % 0
0 to 0.3