UNS C51900 (CW452K) Phosphor Bronze
Other
O60 (soft annealed)
Property Overview
Density8.8g/cm³
Elastic Modulus110GPa
Tensile Strength380MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service Temperature180°C
Chemical Composition
P
0.030 to 0.35%
CU
91.7 to 95%
PB
0 to 0.050%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
SN
5.0 to 7.0%
ZN
0 to 0.3%
FE
0 to 0.1%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Poisson's Ratio
0.34
Shear Modulus
42 GPa
Tensile Strength: Ultimate (UTS)
380 MPa
Hardness
Rockwell B Hardness
42
Rockwell Superficial 30T Hardness
45
Rockwell Superficial 30T Hardness 45
Rockwell Superficial 30T Hardness
Physical
Density
8.8 g/cm 3
Thermal
Latent Heat of Fusion
200 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
1040 °C
Melting Onset (Solidus)
930 °C
Specific Heat Capacity
380 J/kg-K
Thermal Conductivity
66 W/m-K
Thermal Diffusivity
20 mm 2 /s
Thermal Expansion
18 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
14 % IACS
Electrical Conductivity: Equal Weight (Specific)
14 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
55 to 180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
680 to 1450 kJ/m 3
Stiffness to Weight: Axial
7.0 points
Stiffness to Weight: Bending
18 points
Strength to Weight: Axial
12 points
Strength to Weight: Bending
13 points
Environmental
Base Metal Price
33 % relative
Embodied Carbon
3.2 kg CO 2 /kg material
Embodied Energy
51 MJ/kg
Embodied Energy
51 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
360 L/kg
Embodied Water
360 L/kg 42 gal/lb
Registered Designations & Aliases
C51900CW452KCW452KCuSn6UNS C51900 (CW452K) Phosphor Bronze
Standards
ASTM B103 ASTM B103: Standard Specification for Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar
EN 12163 EN 12163: 1998 Copper and copper alloys. Rod for general purposes
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 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
EN 1654 EN 1654: 1998 Copper and copper alloys. Strip for springs and connectors