Det Norske Veritas - Germanischer Lloyd

DNVGL  Copper alloy castings
 N DNVGL-CP-0251

Annotation

Scope and application

This programme is applicable for the approval of material manufacturers of:

Copper alloy castings

as referred in the Society's rules and standards. For a description of general requirements, conditions and procedures related to the approval, please refer to DNVGL CP 0346 which shall be applied in combination with this programme.

The product(s) used for approval testing (see Sec.3) will place limitations on the range of approval. The approval will be limited to each of the following main grouped types of cast copper alloys:

Bronze castings applicable for propellers, separately cast propeller blades and hubs: RU SHIP Pt.2 Ch.2 Sec.11 [3] applies:

Mn-bronze (Cu1)

Ni-Mn-bronze (Cu2)

Ni-Al-bronze (Cu3)

Mn-Al-bronze (Cu4).

Castings for valves, liners, bushes, fittings: RU SHIP Pt.2 Ch.2 Sec.11 [2] applies:

Phosphor bronze

Gunmetal

Leaded gunmetal

Leaded bronze.

Castings for general applications: according to a recognised international standard, e.g.:

Al-bronze