Tool Steel Square Bar O1 offers excellent dimensional stability during heat treatment, and otherwise decent attributes. O1 is an oil-hardening, general purpose tool steel. While not as strong or wear resistant as A-2 or D-2, it experiences significantly less distortion during the heat treating process. It is typically used in rolls, punches, shear knives, food processing knives, and gauges.

MTR MTR Available
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Metal Type
Tool Steel
Shape
Bar-Square
Yes
Eniteo Vendor ID
3145
Custom Cut Warehouse
0
Weight/Lineal Foot
0.12 pounds
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Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
105
Elongation % in 2 in.
20
Melting Point °F
2580 - 2660
Yield Tensile Strength KSI
58
Brinell Hardness 3000 kg load
177 - 212
Rockwell Hardness B Scale
88 - 95
Shear Strength KSI
58
Machinability %
95
Electrical Conductivity % IACS
7
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Chemistry Information : O1 Tool Steel

Element
Percentage
Element
Percentage
Element
Percentage
C
0.94
Fe
96.56
Cr
0.5
Mn
1.2
Si
0.3
W
0.5

This O1 tool steel square bar is commonly used for rolls, punches, shear knives, food processing knives, and gauges due to its excellent dimensional stability during heat treatment and general purpose oil-hardening properties.

Custom cutting is not available from the warehouse for this product, but it is offered in standard lengths of 18 and 36 inches, both in stock and ready to ship.

O1 tool steel has good machinability and dimensional stability but is not as strong or wear resistant as A-2 or D-2 tool steels, making it ideal when less distortion during heat treatment is important.

Yes, a Material Test Report (MTR) is available for this 3/16" Tool Steel Square Bar O1, providing assurance of its chemical and mechanical properties.

The product is in stock and ships in 18-inch and 36-inch lengths, weighing approximately 0.18 lb and 0.36 lb respectively, ensuring quick delivery.

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