MakeItFrom.com
Menu (ESC)

C87900 Brass vs. C95820 Bronze

Both C87900 brass and C95820 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% of their average alloy composition in common. There are 28 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 C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 480
730
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 130
230
Melting Completion (Liquidus), °C 930
1080
Melting Onset (Solidus), °C 900
1020
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
38
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
86
Resilience: Unit (Modulus of Resilience), kJ/m3 270
400
Stiffness to Weight: Axial, points 7.3
8.0
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 16
25

Alloy Composition

Aluminum (Al), % 0 to 0.15
9.0 to 10
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
77.5 to 82.5
Iron (Fe), % 0 to 0.4
4.0 to 5.0
Lead (Pb), % 0 to 0.25
0 to 0.020
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.5
4.5 to 5.8
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0 to 0.020
Zinc (Zn), % 30 to 36
0 to 0.2
Residuals, % 0
0 to 0.8