BAR STOCK

TOOL STEEL
AISI O1

.

.

.

.

Call Integrity Steel Now
An agent is standing by!
586 826 3700

AISI O1 Oil Hardening Tool Steel

(Machine finish) T & B with saw-cut edges
(Machine finish) four sides
Precision Ground
Hollow bar
Drill Rod

DESCRIPTION

General purpose oil-hardening tool and die steel. Outstanding safe hardening property. Easy to machine. Normal care in heat treatment gives good results in hardening with small dimensional changes. Good combination of abrasion resistance and toughness for a wide variety of tool and die applications.

ADVANTAGES

Easy to machine
Safe hardening
Good toughness and wear-resistance
Low distortion in heat treatment

TYPICAL ANALYSIS

Carbon .........0.90
Vanadium .....0.20
Manganese ...1.20
Tungsten ........0.50
Chromium .....0.50

HEAT TREATMENT

FORGING 1850° to 1950° F, stop at
...........................1500° F, cool slowly

NORMALIZING .Do not normalize

ANNEALING .1450° F, furnace cool, average
...........................hardness 202 Brinell

HARDENING .1475° F, oil quench to 150° F

TEMPERING 300° to 400° F, average
............................hardness Rockwell C-61

MACHINABILITY

Rated at 90 in the properly annealed condition. Standard of comparison is a one percent carbon tool steel rated at 100.

TEMPERING RESULTS

Specimens .250" x .375" x 2" long were hardened by quenching in oil from 1475° F. and then tempered as follows:

Tempering...............Hardness
Temperatures °F......Rockwell C

None..........................65
300............................63
400............................62
500............................60
600............................57
700............................53
800............................50
900............................47
1000..........................44
1100..........................39

.

.

.
.
.

Featured Services
Plate Burning
and Plasma
Plate Sawing
Up to 16'
Blanchard
Up to 120"
Fabrication
Contract Cutting
Heat Treating
.
WEBSITE BUILT BY IMPACT COMMUNICATION CONCEPTS 800 742 7656