O1 Tool Steel Round Bar Stock

A good combination of strength, hardness, and wear resistance is what most people look for in an alloy like O1.

O1 Tool Steel

O1 Tool steel is a non-deforming, oil-hardening tool steel that is non-deformable.

It is also regarded as “non-shrinking” steel since it can be hardened to a Rockwell Range of C 65 by applying relatively low temperatures to the workpiece to set it. A good combination of strength, hardness, and wear resistance is what most people look for in an alloy like O1. In addition to the standard finish, round bar stock and flat bars are also available for the O-1. These have been finely done to a precise surface finish.

O'Hare O1 Tool Steel Round Bar Stock

O’Hare Precision Metals can provide a wide range of company-supplied or customer-supplied components and materials. Just like how we can offer you the best O1 Tool Steel bar stocks and O1 Tool Steel round bar stocks in O’Hare!

Machinability and other Processes

When annealing, you need to heat slowly to 1450 degrees Fahrenheit, then soak thoroughly. Cool at a rate of 25 degrees Fahrenheit per hour until the temperature reaches 900 degrees Fahrenheit. Allow the air to cool to room temperature. The approximate annealed hardness is 221 Brinell at its maximum. Meanwhile, when hardening, you have to preheat the oven to 1200° F and keep it at that temperature until the beans are completely soaked.

Then,  Heat to 1475° to 1500° Fahrenheit for hardening. Soak for 30 minutes per inch of thickness in boiling water. Soak for 30 minutes per inch of thickness in boiling water. It should be quenched between 150 and 200 degrees Fahrenheit. Immediate calming measures should be taken. Usually, oil hardening steels must be single-tempered to be adequate.

Applications

Cold forming dies, swaging dies, blanking dies, cutter templates, machine parts, punches, and cutting tools are only a few of the many applications of O1 Tool Steel.

Properties

Density 

Machinability 

Melting point 

Hardness, Brinell 

Hardness, Rockwell

Modulus of Elasticity 

Specific Gravity 

Thermal expansion 

Elastic modulus 

 0.282 lb/in3

85-90% of a 1%

2590°F

90

C 34.0-64.0

31 x 106 psi

7.83

6/ºC 20-260

28000 ksi

Chemical Properties

Carbon 

Chromium 

Copper 

Manganese 

Nickel 

Vanadium 

Phosphorus 

Silicon 

Sulfur 

Tungsten 

0.85-1.00

0.40-0.60

0.25

1.00-1.40

0.30

0.30

0.03

0.50

0.03

0.40-0.60

Want to know more about O1 Tool Steel? Just contact our highly skilled personnel in O’Hare Precision Metals. They are dedicated to providing smooth-flow service. Request a quote for O1 Tool Steel bar stocks now!