UNS C61800 (CW305G) Aluminum Bronze
Wrought Aluminum Alloys
Property Overview
Density8.3g/cm³
Elastic Modulus110GPa
Tensile Strength420MPa
Yield Strength310MPa
Brinell Hardness155HB
Maximum Service Temperature220°C
Chemical Composition
SI
0 to 0.1%
CU
86.9 to 91%
AL
8.5 to 11%
PB
0 to 0.020%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
0 to 0.020%
FE
0.5 to 1.5%
Mechanical
A - Min. elongation at fracture (%) (R420)
20
A - Min. elongation at fracture (%) (R530)
10
A - Min. elongation at fracture (%) (R630)
5
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
26 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.34
R p0.2 0.2% proof strength (MPa) (R420)
210
R p0.2 0.2% proof strength (MPa) (R530)
420
R p0.2 0.2% proof strength (MPa) (R630)
480
Rm - Tensile strength (MPa) (R420)
420
Rm - Tensile strength (MPa) (R530)
530
Rm - Tensile strength (MPa) (R630)
630
Shear Modulus
44 GPa
Shear Strength
310 MPa
Tensile Strength: Ultimate (UTS)
740 MPa
Tensile Strength: Yield (Proof)
310 MPa
Hardness
Brinell hardness (HB): (H105)(R420)
105 - 145
Brinell hardness (HB): (H130)(R530)
130 - 170
Brinell hardness (HB): (H155)(R630)
155
Rockwell B Hardness
89
Physical
Density
8.3 g/cm 3
Thermal
Latent Heat of Fusion
230 J/g
Maximum Temperature: Mechanical
220 °C
Melting Completion (Liquidus)
1050 °C
Melting Onset (Solidus)
1040 °C
Specific Heat Capacity
440 J/kg-K
Thermal Conductivity
64 W/m-K
Thermal Diffusivity
18 mm 2 /s
Thermal Expansion
18 µm/m-K
Thermal Shock Resistance
26 points
Electrical
Electrical Conductivity: Equal Volume
13 % IACS
Electrical Conductivity: Equal Weight (Specific)
14 % IACS
Other
H
Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements
R
Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements
Calculated
Resilience: Ultimate (Unit Rupture Work)
150 MJ/m 3
Resilience: Unit (Modulus of Resilience)
420 kJ/m 3
Stiffness to Weight: Axial
7.5 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
25 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
28 % relative
Embodied Carbon
3.1 kg CO 2 /kg material
Embodied Energy
52 MJ/kg
Embodied Energy
52 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
390 L/kg
Embodied Water
390 L/kg 47 gal/lb
Registered Designations & Aliases
C61800CW305GCW305GCuAl10Fe1UNS C61800 (CW305G) Aluminum Bronze
Standards
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 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