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C94900 Bronze vs. C85700 Brass

Both C94900 bronze and C85700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C94900 bronze and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 17
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 300
310
Tensile Strength: Yield (Proof), MPa 130
110

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 980
940
Melting Onset (Solidus), °C 910
910
Specific Heat Capacity, J/kg-K 370
380
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
22
Electrical Conductivity: Equal Weight (Specific), % IACS 14
25

Otherwise Unclassified Properties

Base Metal Price, % relative 32
24
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 55
47
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
41
Resilience: Unit (Modulus of Resilience), kJ/m3 72
59
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.4
11
Strength to Weight: Bending, points 11
13
Thermal Shock Resistance, points 11
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.8
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 79 to 81
58 to 64
Iron (Fe), % 0 to 0.3
0 to 0.7
Lead (Pb), % 4.0 to 6.0
0.8 to 1.5
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 4.0 to 6.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.050
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0.5 to 1.5
Zinc (Zn), % 4.0 to 6.0
32 to 40
Residuals, % 0
0 to 1.3