Tool Steel Rectangle 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-Rectangle
Yes
Eniteo Vendor ID
3145
Custom Cut Warehouse
0
Thickness
0.1875
Width
10
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
6.38 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 rectangle bar measures 0.1875" thick by 10" wide and is made from O1 tool steel, known for its oil-hardening properties. It is precision ground for excellent dimensional stability and comes in lengths up to 36".

Yes, O1 tool steel experiences significantly less distortion during heat treatment compared to other tool steels like A-2 or D-2, making it ideal for rolls, punches, shear knives, and food processing knives.

Custom cut options are not available from the warehouse for this product, but it is offered in standard lengths of 18" and 36" with in-stock availability.

The O1 tool steel bar has a high machinability rating of 95 and an ultimate tensile strength of 105 ksi, making it suitable for general purpose tooling where ease of machining and good strength are required.

Yes, a material test report (MTR) is available for this product to verify its chemical and mechanical properties.

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