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Bends are made when forming sheet metal, over different types of steel anvils.

Related Terms

BLACK OIL

A lubricant containing asphaltic materials, which impart extra adhesiveness, that are used for open gears and steel cables.

HARD IRON

Iron or steel which is not readily magnetized by induction, but which retains a high percentage of the magnetism acquired

GALVANIZING

The coating of metal with another by an electrolytic process; for example, electrolytically zinc-coat steel is called galvanized steel.

CORRECTOR

A device to correct the ship's compass, for example counteracting errors due to the magnetic effects of a steel hull.

KEELSON

A lengthwise wooden or steel beam in ship for bearing stress.

PIG IRON

A crude form of iron, combined with carbon, used to produce steel and cast iron.

LUG

As applied to boiler suspension, a steel eyepiece fitted and riveted or welded to the curvature of a boiler shell or drum and connected by a steel U-bolt or sling rod to overhead steel structure; used to support the weight of a boiler.

CONTAINER

A strong steel box of standard dimensions of 8 feet square and length of 20 feet or 40 feet, in which cargo is preloaded.

HARDENING

Accomplished by heating the steel beyond the critical temperature and following by relatively fast cooling. If heating for hardening is being accomplished in the forge fire the color should be a full red and to check on the temperature a magnet may be used, as the steel at or above the critical temperature should be non-magnetic. If the magnet is being used while the temperature is being raised from the room temperature, the correct point to stop heating is where the steel no longer responds to the pull of the magnet. If a furnace is being used to heat the steel to the hardening heat a pyrometer aids greatly in determining the critical temperature.

TOOL STEEL

Any steel used o make tools for cutting, forming, or otherwise shaping a material into a final part.
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