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C99700 Brass vs. C63200 Bronze

Both C99700 brass and C63200 bronze are copper alloys. They have 68% 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 C63200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 25
17 to 18
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 46
44
Tensile Strength: Ultimate (UTS), MPa 380
640 to 710
Tensile Strength: Yield (Proof), MPa 170
310 to 350

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 900
1060
Melting Onset (Solidus), °C 880
1040
Specific Heat Capacity, J/kg-K 410
440
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 3.3
3.4
Embodied Energy, MJ/kg 53
55
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
95 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 120
400 to 510
Stiffness to Weight: Axial, points 8.3
7.9
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
21 to 24
Strength to Weight: Bending, points 14
20 to 21
Thermal Shock Resistance, points 11
22 to 24

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
8.7 to 9.5
Copper (Cu), % 54 to 65.5
78.8 to 82.6
Iron (Fe), % 0 to 1.0
3.5 to 4.3
Lead (Pb), % 0 to 2.0
0 to 0.020
Manganese (Mn), % 11 to 15
1.2 to 2.0
Nickel (Ni), % 4.0 to 6.0
4.0 to 4.8
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
0
Residuals, % 0
0 to 0.5