This alloy is characterized by its power of resisting the action of acids, and is therefore especially adapted to making cocks, pipes, etc., which are to come in contact with acid fluids. It is composed of copper, zinc, lead, tin, iron, nickel, cobalt, and antimony, in the following proportions:

Copper...............    74.75 parts

Zinc..................     0.61    "

Lead.................    16.35    "

Tin..................     0.91    "

Iron..................     0.43    "

Nickel .............. 0 24    "

Cobalt ..............      0 24    "

Antimony..............      6.78    "

Albata Metal

Copper, 40 parts; zinc, 32 parts; and nickel, 8 parts.

Alfenide Metal

Copper, 60 parts; zinc, 30; nickel, 10; traces of iron.