Lead‑free casting alloy CB771S Aqua Nordic®
CB771S Aqua Nordic® is a lead‑free brass alloy for casting. The alloy has good dezincification resistance and is suitable for use in water fittings as well as other water and heating applications. The material is approved according to the 4MS list and meets the requirements regarding lead leaching according to the new European Drinking Water Directive (DWD), for use in drinking water applications, product groups B–D.
Composition
CB771S-A
CuRestZnPbSnFeAlNiMnSiSbAs
Gränser
62.0-65.0%Rest<0,1%<0.3%<0.2%0.45-0.7%<0.20%<0.1%<0.020.02-0.05%0.02-0.04%
* Other trace elements according to the 4MS and EUPL list
Standardisation
The alloy corresponds to the international standard
SS-EN 1982, ingots and castings