6. CuSn5Zn5Pb2-C / CuSn5Zn5Pb2-B (CC499K / CB499K)

CuSn5Zn5Pb2-C / CuSn5Zn5Pb2-B (CC499K / CB499K)

Common name Material description
World specifications
EuropeanBritishAmerican
KMM main alloyCuSn5Zn5Pb2-C / CuSn5Zn5Pb2-BCC499K / CB499K
(EN 1982)
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This material can be used for drinking water products.

Other name: The alloy complies with DIN 50930-6, ГОСТ БрО6Ц6С3
The equivalence between the standards is not absolute and some variations in composition can exist.

Chemical Composition in %, (EN 1982:2017, Castings)

 CuSnPbZnNiAlFeMnPSSiSbAsCrBiCdSe
Min84.04.00,24.00.1------------
Max88.06.03.06.00.60.010.3-0.040.040.010.10.020.020.020.02-

Chemical Composition in %, (EN 1982:2017, Ingots)

 CuSnPbZnNiAlFeMnPSSiSbAsCrBiCdSe
Min84.04.20,24.50.1------------
Max87.56.03.06.50.60.010.3-0.030.040.010.10.020.020.020.02-

Mechanical Properties (EN 1982:2017, Continuous castings)

RmTensile strength min.250 N/mm2
Rp0.2Proof Strength min.110 N/mm2
AElongation min.13 %
HBBrinell hardness min.65 HBW

Properties:

  • engineering material with the highest elongation;
  • corrosion and water proof;
  • for air gas and water fittings;
  • min content of Pb.

Application:

  • plain copper sanitary pipes;
  • pipe fittings;
  • bathroom fixtures;
  • tubes for boilers and
  • boiler accessories
  • designed for potable water
  • low-pressure valves,
  • pipe fittings,
  • gasoline and oil-line fittings,
  • fire extinguishing equipment fittings