UNS C27400 (CW508L) Yellow Brass
Copper Alloys
H01 (quarter hard)
Property Overview
Density8g/cm³
Elastic Modulus110GPa
Tensile Strength370MPa
Yield Strength180MPa
Brinell HardnessUnknown
Maximum Service Temperature120°C
Chemical Composition
CU
61 to 64%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
ZN
35.6 to 39%
FE
0 to 0.1%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
18 %
Poisson's Ratio
0.31
Shear Modulus
40 GPa
Shear Strength
230 MPa
Tensile Strength: Ultimate (UTS)
370 MPa
Tensile Strength: Yield (Proof)
180 MPa
Hardness
Rockwell B Hardness
53
Rockwell Superficial 30T Hardness
52
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
170 J/g
Maximum Temperature: Mechanical
120 °C
Melting Completion (Liquidus)
920 °C
Melting Onset (Solidus)
870 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
120 W/m-K
Thermal Diffusivity
37 mm 2 /s
Thermal Expansion
21 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
28 % IACS
Electrical Conductivity: Equal Weight (Specific)
31 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
56 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 kJ/m 3
Stiffness to Weight: Axial
7.2 points
Stiffness to Weight: Bending
20 points
Strength to Weight: Axial
13 points
Strength to Weight: Bending
14 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
45 MJ/kg
Embodied Energy
45 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
320 L/kg
Embodied Water
320 L/kg 38 gal/lb
Registered Designations & Aliases
C27400CW508LCW508LCuZn37UNS C27400 (CW508L) Yellow Brass
Standards
ASTM B134 ASTM B134: Standard Specification for Brass Wire
EN 12163 EN 12163: 1998 Copper and copper alloys. Rod for general purposes
EN 12165 EN 12165: 1998 Copper and copper alloys. Wrought and unwrought forging stock
EN 12166 EN 12166: 1998 Copper and copper alloys. Wire for general purposes
EN 12167 EN 12167: 1998 Copper and copper alloys. Profiles and rectangular bar for general purposes
EN 12420 EN 12420: 1999 Copper and copper alloys. Forgings
EN 12449 EN 12449: 1999 Copper and copper alloys. Seamless, round tubes for general purposes
EN 13148 EN 13148: 2001 Copper and copper alloys. Hot-dip tinned strip
EN 1652 EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles for general purposes