MakeItFrom.com
Menu (ESC)

C87900 Brass vs. C87400 Brass

Both C87900 brass and C87400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% 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 C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
21
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 480
390
Tensile Strength: Yield (Proof), MPa 240
160

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 900
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 17
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
65
Resilience: Unit (Modulus of Resilience), kJ/m3 270
120
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 17
14
Thermal Diffusivity, mm2/s 37
8.3
Thermal Shock Resistance, points 16
14

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
Aluminum (Al), % 0 to 0.15
0 to 0.8
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
79 to 85.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.25
0 to 1.0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
2.5 to 4.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
12 to 16
Residuals, % 0
0 to 0.8