Silicon Red Brass is according to ELV and ROHS a lead-free special brass resisting high load and exhibiting good corrosion resistance as well as excellent machinability. This alloy is suited to the production of machined and drop forged parts. ECOBRASS is available as marching brass as well as in hot stamping quality. This material is also marketed under the designation CUPHIN for sanitary applications. The material meets the requirements of ISO 6509 regarding the dezincification resistance. Material accepted for products in contact with drinking water as per 4 MS positive list.
| ISO Symbols | Equivalent Alloy | ||||
| UNS | EN | BS | JIS | IS | |
| CuZn14Si4 | C69430 | - | - | - | - |
| CuZn18Si3Pb1 | C69700 | - | - | - | - |
| CuZn19Si3 | C69710 | - | - | - | - |
| CuZn20Si3P | C69300 | - | - | - | - |
| CuZn21Si3P | - | CW724R | - | - | - |
| CuZn31Si1 | - | CW708R | - | - | - |