CuSn5Zn5Pb2-C / CuSn5Zn5Pb2-B (CC499K / CB499K)
| Common name | Material description | World specifications |
||
|---|---|---|---|---|
| European | British | American | ||
| KMM main alloy | CuSn5Zn5Pb2-C / CuSn5Zn5Pb2-B | CC499K / CB499K (EN 1982) | - | - |
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)
| Cu | Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 84.0 | 4.0 | 0,2 | 4.0 | 0.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | 88.0 | 6.0 | 3.0 | 6.0 | 0.6 | 0.01 | 0.3 | - | 0.04 | 0.04 | 0.01 | 0.1 | 0.02 | 0.02 | 0.02 | 0.02 | - |
Chemical Composition in %, (EN 1982:2017, Ingots)
| Cu | Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 84.0 | 4.2 | 0,2 | 4.5 | 0.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | 87.5 | 6.0 | 3.0 | 6.5 | 0.6 | 0.01 | 0.3 | - | 0.03 | 0.04 | 0.01 | 0.1 | 0.02 | 0.02 | 0.02 | 0.02 | - |
Mechanical Properties (EN 1982:2017, Continuous castings)
| Rm | Tensile strength min. | 250 N/mm2 |
| Rp0.2 | Proof Strength min. | 110 N/mm2 |
| A | Elongation min. | 13 % |
| HB | Brinell 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