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As-cast C95410 Bronze vs. As-cast C99400 Brass

Both as-cast C95410 bronze and as-cast C99400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 90% 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 as-cast C95410 bronze and the bottom bar is as-cast C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 13
25
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 620
460
Tensile Strength: Yield (Proof), MPa 260
230

Thermal Properties

Latent Heat of Fusion, J/g 230
230
Maximum Temperature: Mechanical, °C 230
200
Melting Completion (Liquidus), °C 1040
1070
Melting Onset (Solidus), °C 1030
1020
Specific Heat Capacity, J/kg-K 440
400
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
17
Electrical Conductivity: Equal Weight (Specific), % IACS 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 54
45
Embodied Water, L/kg 390
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
95
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230
Stiffness to Weight: Axial, points 7.8
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 20
15
Thermal Shock Resistance, points 22
16

Alloy Composition

Aluminum (Al), % 10 to 11.5
0.5 to 2.0
Copper (Cu), % 83 to 85.5
83.5 to 96.5
Iron (Fe), % 3.0 to 5.0
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 1.5 to 2.5
1.0 to 3.5
Silicon (Si), % 0
0.5 to 2.0
Zinc (Zn), % 0
0.5 to 5.0
Residuals, % 0
0 to 0.3