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Steel Making

Hints For Tool Steel Users
Do not hesitate to ask for information from the maker as to t...

Testing And Inspection Of Heat Treatment
The hard parts of the gear must be so hard that a new mill f...

Nickel
Nickel may be considered as the toughest among the non-rare a...

Leeds And Northrup Optical Pyrometer
The principles of this very popular method of measuring tempe...

Properties Of Steel
Steels are known by certain tests. Early tests were more or l...

Gas Consumption For Carburizing
Although the advantages offered by the gas-fired furnace for ...

The Thermo-couple
With the application of the thermo-couple, the measurement of...

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

Rate Of Absorption
According to Guillet, the absorption of carbon is favored by ...

Preparing Parts For Local Case-hardening
At the works of the Dayton Engineering Laboratories Company, ...

Quenching The Work
In some operations case-hardened work is quenched from the bo...

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...

Annealing Of Rifle Components At Springfield Armory
In general, all forgings of the components of the arms manufa...

Ebbw Vale And The Bessemer Process
After his British Association address in August 1856, Besseme...

Manganese
Manganese adds considerably to the tensile strength of steel,...

Tungsten
Tungsten, as an alloy in steel, has been known and used for a...

Impact Tests
Impact tests are of considerable importance as an indication ...

Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer
For extremely high temperature, the optical pyrometer is lar...

Refining The Grain
This is remedied by reheating the piece to a temperature slig...



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



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