UNS C87900 Silicon Brass
Brass
Property Overview
Density8.1g/cm³
Elastic Modulus110GPa
Tensile Strength480MPa
Yield Strength240MPa
Brinell HardnessUnknown
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 0.5%
MN
0 to 0.15%
SI
0.8 to 1.2%
P
0 to 0.010%
S
0 to 0.050%
CU
63 to 69.2%
AL
0 to 0.15%
AS
0 to 0.050%
PB
0 to 0.25%
SB
0 to 0.050%
SN
0 to 0.25%
ZN
30 to 36%
FE
0 to 0.4%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
25 %
Poisson's Ratio
0.31
Shear Modulus
41 GPa
Tensile Strength: Ultimate (UTS)
480 MPa
Tensile Strength: Yield (Proof)
240 MPa
Hardness
Rockwell B Hardness
70
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
930 °C
Melting Onset (Solidus)
900 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
120 W/m-K
Thermal Diffusivity
37 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
15 % IACS
Electrical Conductivity: Equal Weight (Specific)
17 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
100 MJ/m 3
Resilience: Unit (Modulus of Resilience)
270 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
20 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
46 MJ/kg
Embodied Energy
46 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
320 L/kg
Embodied Water
320 L/kg 38 gal/lb
Registered Designations & Aliases
C87900UNS C87900 Silicon Brass