EN CC496K (CuSn7Pb15-C) High-Leaded Tin Bronze
Copper Alloys
Property Overview
Density9.2g/cm³
Elastic Modulus97GPa
Tensile Strength170MPa
Yield Strength99MPa
Brinell Hardness72HB
Maximum Service Temperature140°C
Chemical Composition
C
CuSn7Pb15-C ( CC496K ) Copper-tin-lead alloy Chemical composition. Equivalents of CuSn7Pb15-C ( CC496K ). Standards.1 Mechanical Properties. Hardness%
NI
0.5 to 2.0%
MN
0 to 0.2%
SI
0 to 0.010%
P
0 to 0.1%
S
0 to 0.1%
CU
72 to 79.5%
AL
0 to 0.010%
PB
13 to 17%
SB
0 to 0.5%
SN
6.0 to 8.0%
ZN
0 to 2.0%
FE
0 to 0.25%
Mechanical
A - Min. elongation at fracture (%) (GS) or (GC)
8
A - Min. elongation at fracture (%) (GZ)
7
Elastic (Young's, Tensile) Modulus
97 GPa
Elongation at Break
8.6 %
Poisson's Ratio
0.35
R p0.2 0.2% proof strength (MPa) (GS)
80
R p0.2 0.2% proof strength (MPa) (GZ) or (GC)
90
Rm - Tensile strength (MPa) (GS)
170
Rm - Tensile strength (MPa) (GZ) or (GC)
200
Shear Modulus
36 GPa
Tensile Strength: Ultimate (UTS)
210 MPa
Tensile Strength: Yield (Proof)
99 MPa
Hardness
Brinell Hardness
72
Brinell hardness (HBW): (GS)
60
Brinell hardness (HBW): (GZ) or (GC)
65
Physical
Density
9.2 g/cm 3
Thermal
Latent Heat of Fusion
170 J/g
Maximum Temperature: Mechanical
140 °C
Melting Completion (Liquidus)
900 °C
Melting Onset (Solidus)
820 °C
Specific Heat Capacity
340 J/kg-K
Thermal Conductivity
52 W/m-K
Thermal Diffusivity
17 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
8.1 points
Electrical
Electrical Conductivity: Equal Volume
11 % IACS
Electrical Conductivity: Equal Weight (Specific)
11 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
15 MJ/m 3
Resilience: Unit (Modulus of Resilience)
50 kJ/m 3
Stiffness to Weight: Axial
5.9 points
Stiffness to Weight: Bending
17 points
Strength to Weight: Axial
6.5 points
Strength to Weight: Bending
8.6 points
Environmental
Base Metal Price
31 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
52 MJ/kg
Embodied Energy
52 MJ/kg 23 x 10 3 BTU/lb
Embodied Water
380 L/kg
Embodied Water
380 L/kg 45 gal/lb
Registered Designations & Aliases
CC496KCuSn7Pb15-CCuSn7Pb15-CEN CC496K (CuSn7Pb15-C) High-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