Steelmaking.ca Home Steel Making Categories Manufacturing and the Economy of Machinery

Steel Making

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

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...

Care In Annealing
Not only will benefits in machining be found by careful anne...

The Influence Of Size
The size of the piece influences the physical properties obta...

Temperatures To Use
As soon as the temperature of the steel reaches 100 deg.C. (...

Instructions For Working High-speed Steel
Owing to the wide variations in the composition of high-speed...

Classifications Of Steel
Among makers and sellers, carbon tool-steels are classed by g...

Piston Pin
The piston pin on an aviation engine must possess maximum res...

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

Liberty Motor Connecting Rods
The requirements for materials for the Liberty motor connecti...

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

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

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

Annealing
There is no mystery or secret about the proper annealing of d...

Forging High-speed Steel
Heat very slowly and carefully to from 1,800 to 2,000 deg.F....

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

Silicon
SILICON is a very widespread element (symbol Si), being an es...

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

Complete Calibration Of Pyrometers
For the complete calibration of a thermo-couple of unknown e...

Heat-treating Department
The heat-treating department occupies an L-shaped building. ...



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 Informational Site Network
Report
Privacy
ADD TO EBOOK


Viewed 4627