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Steel Making

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

Annealing In Bone
Steel and cast iron may both be annealed in granulated bone. ...

High-carbon Machinery Steel
The carbon content of this steel is above 30 points and is ha...

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

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

Silicon
Silicon prevents, to a large extent, defects such as gas bubb...

Tensile Properties
Strength of a metal is usually expressed in the number of pou...

Tool Or Crucible Steel
Crucible steel can be annealed either in muffled furnace or b...

Properties Of Alloy Steels
The following table shows the percentages of carbon, manganes...

Correction By Zero Adjustment
Many pyrometers are supplied with a zero adjuster, by means ...

Placing The Thermo-couples
The following illustrations from the Taylor Instrument Compan...

Heat Treatment Of Punches And Dies Shears Taps Etc
HEATING.--The degree to which tools of the above classes shou...

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

Quenching Tool Steel
To secure proper hardness, the cooling of quenching of steel ...

The Penetration Of Carbon
Carburized mild steel is used to a great extent in the manufa...

Calibration Of Pyrometer With Common Salt
An easy and convenient method for standardization and one whi...

An Automatic Temperature Control Pyrometer
Automatic temperature control instruments are similar to the ...

Steel For Chisels And Punches
The highest grades of carbon or tempering steels are to be re...

Carbon-steel Forgings
Low-stressed, carbon-steel forgings include such parts as car...

The Forging Of Steel
So much depends upon the forging of steel that this operation...



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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