EN CC494K (CuSn5Pb9-C) Leaded Tin Bronze
Copper Alloys
Property Overview
Density9.1g/cm³
Elastic Modulus100GPa
Tensile Strength200MPa
Yield Strength94MPa
Brinell Hardness67HB
Maximum Service Temperature160°C
Chemical Composition
C
CuSn5Pb9-C ( CC494K ) Copper-tin-lead alloy Chemical composition. Equivalents of CuSn5Pb9-C ( CC494K ). Standards.1 Mechanical Properties. Hardness%
NI
0 to 2.0%
MN
0 to 0.2%
SI
0 to 0.010%
P
0 to 0.1%
S
0 to 0.1%
CU
78 to 87%
AL
0 to 0.010%
PB
8.0 to 10%
SB
0 to 0.5%
SN
4.0 to 6.0%
ZN
0 to 2.0%
FE
0 to 0.25%
Mechanical
A - Min. elongation at fracture (%) (GC)
9
A - Min. elongation at fracture (%) (GM)
5
A - Min. elongation at fracture (%) (GS)
7
A - Min. elongation at fracture (%) (GZ)
6
Elastic (Young's, Tensile) Modulus
100 GPa
Elongation at Break
7.6 %
Poisson's Ratio
0.35
R p0.2 0.2% proof strength (MPa) (GC)
100
R p0.2 0.2% proof strength (MPa) (GM)
80
R p0.2 0.2% proof strength (MPa) (GS)
60
R p0.2 0.2% proof strength (MPa) (GZ)
90
Rm - Tensile strength (MPa) (GC)
200
Rm - Tensile strength (MPa) (GM)
200
Rm - Tensile strength (MPa) (GS)
160
Rm - Tensile strength (MPa) (GZ)
200
Shear Modulus
39 GPa
Tensile Strength: Ultimate (UTS)
210 MPa
Tensile Strength: Yield (Proof)
94 MPa
Hardness
Brinell Hardness
67
Brinell hardness (HBW): (GM) or (GZ) or (GC)
60
Brinell hardness (HBW): (GS)
55
Physical
Density
9.1 g/cm 3
Thermal
Latent Heat of Fusion
180 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
970 °C
Melting Onset (Solidus)
890 °C
Specific Heat Capacity
360 J/kg-K
Thermal Conductivity
63 W/m-K
Thermal Diffusivity
19 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
7.8 points
Electrical
Electrical Conductivity: Equal Volume
16 % IACS
Electrical Conductivity: Equal Weight (Specific)
16 % 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)
13 MJ/m 3
Resilience: Unit (Modulus of Resilience)
43 kJ/m 3
Stiffness to Weight: Axial
6.4 points
Stiffness to Weight: Bending
17 points
Strength to Weight: Axial
6.5 points
Strength to Weight: Bending
8.8 points
Environmental
Base Metal Price
31 % relative
Embodied Carbon
3.1 kg CO 2 /kg material
Embodied Energy
50 MJ/kg
Embodied Energy
50 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
360 L/kg
Embodied Water
360 L/kg 43 gal/lb
Registered Designations & Aliases
CC494KCuSn5Pb9-CCuSn5Pb9-CEN CC494K (CuSn5Pb9-C) Leaded Tin Bronze
Standards
EN 1982 EN 1982: 2008 Copper and copper alloys. Ingots and castings
EN 1982 EN 1982: Copper and copper alloys - Ingots and castings