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C38500 Bronze vs. C85900 Brass

Both C38500 bronze and C85900 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 28 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 C38500 bronze and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 17
30
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 37
40
Tensile Strength: Ultimate (UTS), MPa 370
460
Tensile Strength: Yield (Proof), MPa 130
190

Thermal Properties

Latent Heat of Fusion, J/g 160
170
Maximum Temperature: Mechanical, °C 110
130
Melting Completion (Liquidus), °C 890
830
Melting Onset (Solidus), °C 880
790
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
89
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
25
Electrical Conductivity: Equal Weight (Specific), % IACS 31
28

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
110
Resilience: Unit (Modulus of Resilience), kJ/m3 78
170
Stiffness to Weight: Axial, points 7.0
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13
16
Strength to Weight: Bending, points 14
17
Thermal Diffusivity, mm2/s 40
29
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Copper (Cu), % 55 to 59
58 to 62
Iron (Fe), % 0 to 0.35
0 to 0.5
Lead (Pb), % 2.5 to 3.5
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 36.7 to 42.5
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7