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C61900 Bronze vs. C99700 Brass

Both C61900 bronze and C99700 brass are copper alloys. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C61900 bronze and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 21 to 32
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
46
Tensile Strength: Ultimate (UTS), MPa 570 to 650
380
Tensile Strength: Yield (Proof), MPa 230 to 310
170

Thermal Properties

Latent Heat of Fusion, J/g 230
200
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1050
900
Melting Onset (Solidus), °C 1040
880
Specific Heat Capacity, J/kg-K 440
410
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.1
3.3
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 380
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
78
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 430
120
Stiffness to Weight: Axial, points 7.6
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 22
13
Strength to Weight: Bending, points 18 to 20
14
Thermal Shock Resistance, points 20 to 23
11

Alloy Composition

Aluminum (Al), % 8.5 to 10
0.5 to 3.0
Copper (Cu), % 83.6 to 88.5
54 to 65.5
Iron (Fe), % 3.0 to 4.5
0 to 1.0
Lead (Pb), % 0 to 0.020
0 to 2.0
Manganese (Mn), % 0
11 to 15
Nickel (Ni), % 0
4.0 to 6.0
Tin (Sn), % 0 to 0.6
0 to 1.0
Zinc (Zn), % 0 to 0.8
19 to 25
Residuals, % 0
0 to 0.3