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C37100 Brass vs. C86800 Bronze

Both C37100 brass and C86800 bronze are copper alloys. They have a moderately high 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 (4, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 8.0 to 40
22
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 370 to 520
570
Tensile Strength: Yield (Proof), MPa 150 to 390
260

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 890
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
310
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13 to 18
20
Strength to Weight: Bending, points 14 to 18
19
Thermal Shock Resistance, points 12 to 17
18

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Copper (Cu), % 58 to 62
53.5 to 57
Iron (Fe), % 0 to 0.15
1.0 to 2.5
Lead (Pb), % 0.6 to 1.2
0 to 0.2
Manganese (Mn), % 0
2.5 to 4.0
Nickel (Ni), % 0
2.5 to 4.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 36.3 to 41.4
28.3 to 40.5
Residuals, % 0
0 to 1.0