CC481K Bronze Casting
CC481K Bronze Casting is a leaded gunmetal specified under EN 1982 CC481K (CuSn5Zn5Pb5), equivalent to DIN 2.1096 — the European equivalent of the classic 85-5-5-5 ounce metal composition. It offers good all-around mechanical properties, excellent castability, and wide applicability in engineering and marine sectors. Indicative price: US$ 8.50/kilogram.
CC481K Chemical Composition (EN 1982)
| Element |
Min % |
Max % |
| Copper (Cu) |
rem |
— |
| Tin (Sn) |
4.0 |
6.0 |
| Zinc (Zn) |
4.0 |
6.0 |
| Lead (Pb) |
4.0 |
6.0 |
| Nickel (Ni) |
— |
2.0 |
| Iron (Fe) |
— |
0.30 |
CC481K Mechanical Properties (Sand Cast – EN 1982)
| Property |
Value |
| Tensile Strength |
230 MPa min |
| Yield Strength (0.2%) |
100 MPa min |
| Elongation |
13% min |
| Brinell Hardness |
65 HB typical |
| Density |
8.85 g/cm³ |
International Equivalents of CC481K
| Standard |
Designation |
Common Name |
| Europe – EN 1982 |
CC481K |
CuSn5Zn5Pb5 |
| Germany – DIN |
2.1096 |
CuSn5ZnPb |
| UK – BS 1400 |
LG2 |
Ounce Metal (85-5-5-5) |
| USA – UNS |
C83600 |
Ounce Metal |
| ISO 1338 |
CuSn5Zn5Pb5 |
Leaded Gunmetal |
| Japan – JIS H5111 |
CAC406 |
Gunmetal |
Typical Applications
CC481K bronze castings are used for: general engineering valves and fittings, pump housings and impellers, water and gas pipe fittings, bearing housings, marine hardware, and electrical accessories.
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