EN CC750S (CuZn33Pb2-C) Leaded Brass
Copper Alloys
Property Overview
Density8.2g/cm³
Elastic Modulus110GPa
Tensile Strength180MPa
Yield Strength80MPa
Brinell Hardness54HB
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 1.0%
MN
0 to 0.2%
SI
0 to 0.050%
P
0 to 0.050%
S
CuZn33Pb2-C ( CC750S ) Copper-zinc alloy Chemical composition. Equivalents of CuZn33Pb2-C ( CC750S ). Standards.1 Mechanical Properties. Hardness%
CU
62 to 67%
AL
0 to 0.1%
PB
1.0 to 3.0%
SN
0 to 1.5%
ZN
26.3 to 36%
FE
0 to 0.8%
Mechanical
A - Min. elongation at fracture (%) (GS) or (GZ)
12
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
13 %
Poisson's Ratio
0.31
R p0.2 0.2% proof strength (MPa) (GS) or (GZ)
70
Rm - Tensile strength (MPa) (GS) or (GZ)
180
Shear Modulus
40 GPa
Tensile Strength: Ultimate (UTS)
200 MPa
Tensile Strength: Yield (Proof)
80 MPa
Hardness
Brinell Hardness
54
Brinell hardness (HBW): (GS)
45
Brinell hardness (HBW): (GZ)
50
Physical
Density
8.2 g/cm 3
Thermal
Latent Heat of Fusion
170 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
860 °C
Melting Onset (Solidus)
810 °C
Specific Heat Capacity
380 J/kg-K
Thermal Conductivity
110 W/m-K
Thermal Diffusivity
35 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
6.7 points
Electrical
Electrical Conductivity: Equal Volume
24 % IACS
Electrical Conductivity: Equal Weight (Specific)
26 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
22 MJ/m 3
Resilience: Unit (Modulus of Resilience)
30 kJ/m 3
Stiffness to Weight: Axial
7.1 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
6.8 points
Strength to Weight: Bending
9.3 points
Environmental
Base Metal Price
25 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
46 MJ/kg
Embodied Energy
46 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
330 L/kg
Embodied Water
330 L/kg 39 gal/lb
Registered Designations & Aliases
CC750SCuZn33Pb2-CCuZn33Pb2-CEN CC750S (CuZn33Pb2-C) Leaded Brass
Standards
EN 1982 EN 1982: 2008 Copper and copper alloys. Ingots and castings
EN 1982 EN 1982: Copper and copper alloys - Ingots and castings