FEDERAL WRITERS' PROJECT American Guide, (Negro Writers' Unit) Martin Richardson, Field Worker Greenwood, Florida March 18, 1937 BILL AUSTIN Bill Austin--he says his name is NOT Williams--is an ex-slave who gained his freedom becaus... Read more of Bill Austin at Martin Luther King.caInformational Site Network Informational
Privacy
   Home - Steel Making - Categories - Manufacturing and the Economy of Machinery

Steel Making

The Leeds And Northrup Potentiometer System
The potentiometer pyrometer system is both flexible and subst...

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

Heavy Forging Practice
In heavy forging practice where the metal is being worked at...

Hardening High-speed Steels
We will now take up the matter of hardening high-speed steels...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

Pyrometers
Armor plate makers sometimes use the copper ball or Siemens' ...

Crucible Steel
Crucible steel is still made by melting material in a clay or...

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...

Effect Of A Small Amount Of Copper In Medium-carbon Steel
This shows the result of tests by C. R. Hayward and A. B. Joh...

Quenching
It is considered good practice to quench alloy steels from th...

Robert Mushet
Robert (Forester) Mushet (1811-1891), born in the Forest of D...

Sulphur
Sulphur is another impurity and high sulphur is even a greate...

Suggestions For Handling High-speed Steels
The following suggestions for handling high-speed steels are ...

Uses Of The Various Tempers Of Carbon Tool Steel
DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pres...

Annealing Alloy Steel
The term alloy steel, from the steel maker's point of view, r...

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

S A E Heat Treatments
The Society of Automotive Engineers have adopted certain heat...

Quality And Structure
The quality of high-speed steel is dependent to a very great ...

Heat Treatment Of Steel
Heat treatment consists in heating and cooling metal at defin...

Machineability
Reheating for machine ability was done at 100 deg. less than ...



Uses Of The Various Tempers Of Carbon Tool Steel






Category: HARDENING CARBON STEEL FOR TOOLS

DIE TEMPER.--No. 3: All kinds of dies for deep stamping, pressing
and drop forgings. Mining drills to harden only. Easily weldable.

SMITHS' TOOL TEMPER.--No. 3-1/2: Large punches, minting and rivet
dies, nailmakers' tools, hammers, hot and cold sets, snaps and
boilermakers' tools, various smiths' tools, large shear blades,
double-handed chisels, caulking tools, heading dies, masons' tools
and tools for general welding purposes.

SHEAR BLADE TEMPER.--No. 4: Punches, large taps, screwing dies,
shear blades, table cutlery, circular and long saws, heading dies.
Weldable.

GENERAL PURPOSE TEMPER.--No. 4-1/2: Taps, small punches, screwing
dies, sawwebs, needles, etc., and for all general purposes. Weldable.

AXE TEMPER.--No. 5: Axes, chisels, small taps, miners' drills and
jumpers to harden and temper, plane irons. Weldable with care.

CUTLERY TEMPER.--No. 5-1/2: Large milling cutters, reamers, pocket
cutlery, wood tools, short saws, granite drills, paper and tobacco
knives. Weldable with very great care.

TOOL TEMPER.--No. 6: Turning, planing, slotting, and shaping tools,
twist drills, mill picks, scythes, circular cutters, engravers'
tools, surgical cutlery, circular saws for cutting metals, bevel
and other sections for turret lathes. Not weldable.

HARD TOOL TEMPER.--No. 6-1/2: Small twist drills, razors, small
and intricate engravers' tools, surgical instruments, knives. Not
weldable.

RAZOR TEMPER.--No. 7: Razors, barrel boring bits, special lathe
tools for turning chilled rolls. Not weldable.





Next: Steel For Chisels And Punches

Previous: Carbon Steels For Different Tools



Add to del.icio.us Add to Reddit Add to Digg Add to Del.icio.us Add to Google Add to Twitter Add to Stumble Upon
Add to Informational Site Network
Report
Privacy
SHAREADD TO EBOOK


Viewed 3448