For Locomotive Cylinders.

Nickel steel is composed of nickel 36 per cent, steel 64 per cent.

Tungsten steel is crucible steel with 5 to 12 per cent tungsten.

Stereotype Metal.

Lead2 parts
Tin3 parts
Bismuth5 parts

The melting point of this alloy is 196° F. The alloy is rather costly because of the amount of bismuth which it contains. The following mixtures are cheaper:

IIIIIIIV
Tin1312
Lead151.52
Bismuth2835
Antimony1

Tin Alloys:

Alloys For Dentists’ Molds And Dies.

II.—Softer than the former. Tin, 8 parts; zinc, 1 part; antimony, 1 part.