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
0.125
Width
1.25
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
0.53 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 rectangle bar measures 0.125 inches in thickness and 1.25 inches in width. It is available in precision ground lengths of 18 and 36 inches.

Custom cut options are not available from the warehouse for this product, so it is sold in the standard lengths of 18 and 36 inches only.

O1 tool steel is an oil-hardening, general-purpose tool steel known for excellent dimensional stability during heat treatment. It is commonly used for rolls, punches, shear knives, food processing knives, and gauges.

Yes, a material test report (MTR) is available for this product, ensuring traceability and quality assurance.

The O1 tool steel has a machinability rating of 95 and an ultimate tensile strength of 105 ksi, making it suitable for precision applications requiring good strength and ease of machining.

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