MakeItFrom.com
Menu (ESC)

C87900 Brass vs. C67300 Bronze

Both C87900 brass and C67300 bronze are copper alloys. They have a very high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
12
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 70
91
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 480
500
Tensile Strength: Yield (Proof), MPa 240
340

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 930
870
Melting Onset (Solidus), °C 900
830
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
95
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
22
Electrical Conductivity: Equal Weight (Specific), % IACS 17
25

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
55
Resilience: Unit (Modulus of Resilience), kJ/m3 270
550
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 37
30
Thermal Shock Resistance, points 16
16

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.25
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
58 to 63
Iron (Fe), % 0 to 0.4
0 to 0.5
Lead (Pb), % 0 to 0.25
0.4 to 3.0
Manganese (Mn), % 0 to 0.15
2.0 to 3.5
Nickel (Ni), % 0 to 0.5
0 to 0.25
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0.5 to 1.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0 to 0.3
Zinc (Zn), % 30 to 36
27.2 to 39.1
Residuals, % 0
0 to 0.5