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C61900 Bronze vs. C99400 Brass

Both C61900 bronze and C99400 brass are copper alloys. They have 90% of their average alloy composition in common. There are 24 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 C61900 bronze and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 570 to 650
460 to 550
Tensile Strength: Yield (Proof), MPa 230 to 310
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 230
230
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 1050
1070
Melting Onset (Solidus), °C 1040
1020
Specific Heat Capacity, J/kg-K 440
400
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
17
Electrical Conductivity: Equal Weight (Specific), % IACS 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 380
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 430
230 to 590
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 22
15 to 17
Strength to Weight: Bending, points 18 to 20
15 to 17
Thermal Shock Resistance, points 20 to 23
16 to 19

Alloy Composition

Aluminum (Al), % 8.5 to 10
0.5 to 2.0
Copper (Cu), % 83.6 to 88.5
83.5 to 96.5
Iron (Fe), % 3.0 to 4.5
1.0 to 3.0
Lead (Pb), % 0 to 0.020
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
1.0 to 3.5
Silicon (Si), % 0
0.5 to 2.0
Tin (Sn), % 0 to 0.6
0
Zinc (Zn), % 0 to 0.8
0.5 to 5.0
Residuals, % 0
0 to 0.3