UNS C87800 Silicon Brass
Brass
Property Overview
Density8.3g/cm³
Elastic Modulus110GPa
Tensile Strength590MPa
Yield Strength350MPa
Brinell HardnessUnknown
Maximum Service Temperature170°C
Chemical Composition
NI
0 to 0.2%
MN
0 to 0.15%
SI
3.8 to 4.2%
P
0 to 0.010%
S
0 to 0.050%
CU
80 to 84.2%
AL
0 to 0.15%
AS
0 to 0.050%
MG
0 to 0.010%
PB
0 to 0.15%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
SB
0 to 0.050%
SN
0 to 0.25%
ZN
12 to 16%
FE
0 to 0.15%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
25 %
Poisson's Ratio
0.33
Shear Modulus
42 GPa
Tensile Strength: Ultimate (UTS)
590 MPa
Tensile Strength: Yield (Proof)
350 MPa
Hardness
Rockwell B Hardness
86
Physical
Density
8.3 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
170 °C
Melting Completion (Liquidus)
920 °C
Melting Onset (Solidus)
820 °C
Specific Heat Capacity
410 J/kg-K
Thermal Conductivity
28 W/m-K
Thermal Diffusivity
8.3 mm 2 /s
Thermal Expansion
18 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
6.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
7.3 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
540 kJ/m 3
Stiffness to Weight: Axial
7.4 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
27 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
44 MJ/kg
Embodied Energy
44 MJ/kg 19 x 10 3 BTU/lb
Embodied Water
300 L/kg
Embodied Water
300 L/kg 36 gal/lb
Registered Designations & Aliases
C87800UNS C87800 Silicon Brass
Standards
ASTM B176 ASTM B176: Standard Specification for Copper-Alloy Die Castings