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Steel Making

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

Bessemer Process
The bessemer process consists of charging molten pig iron int...

Knowing What Takes Place
How are we to know if we have given a piece of steel the ver...

Heat-treating Equipment And Methods For Mass Production
The heat-treating department of the Brown-Lipe-Chapin Company...

Preventing Decarbonization Of Tool Steel
It is especially important to prevent decarbonization in such...

Annealing To Relieve Internal Stresses
Work quenched from a high temperature and not afterward tempe...

High-chromium Or Rust-proof Steel
High-chromium, or what is called stainless steel containing f...

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

Steel Can Be Worked Cold
As noted above, steel can be worked cold, as in the case of ...

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

Brown Automatic Signaling Pyrometer
In large heat-treating plants it has been customary to mainta...

Hardening Operation
Hardening a gear is accomplished as follows: The gear is tak...

Corrosion
This steel like any other steel when distorted by cold worki...

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Connecting Rods
The material used for all connecting rods on the Liberty engi...

Open Hearth Process
The open hearth furnace consists of a big brick room with a l...

Double Annealing
Water annealing consists in heating the piece, allowing it to...

For Milling Cutters And Formed Tools
FORGING.--Forge as before.--ANNEALING.--Place the steel in a ...

A Chromium-cobalt Steel
The Latrobe Steel Company make a high-speed steel without tun...

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



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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