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C38500 Bronze vs. C85800 Brass

Both C38500 bronze and C85800 brass are copper alloys. They have a moderately high 94% 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 C85800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 17
15
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 37
40
Tensile Strength: Ultimate (UTS), MPa 370
380
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 160
170
Maximum Temperature: Mechanical, °C 110
120
Melting Completion (Liquidus), °C 890
900
Melting Onset (Solidus), °C 880
870
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 120
84
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
20
Electrical Conductivity: Equal Weight (Specific), % IACS 31
22

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
48
Resilience: Unit (Modulus of Resilience), kJ/m3 78
210
Stiffness to Weight: Axial, points 7.0
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13
13
Strength to Weight: Bending, points 14
15
Thermal Diffusivity, mm2/s 40
27
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.55
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 55 to 59
57 to 69
Iron (Fe), % 0 to 0.35
0 to 0.5
Lead (Pb), % 2.5 to 3.5
0 to 1.5
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 36.7 to 42.5
31 to 41
Residuals, % 0
0 to 1.3