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
0.0938
Width
2.5
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
0.8 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 precision ground tool steel rectangle bar measures 0.0938 inches in thickness and 2.5 inches in width, with available lengths of 18 or 36 inches. It is made from O1 oil-hardening tool steel, known for excellent dimensional stability during heat treatment.

Yes, O1 tool steel offers significantly less distortion during heat treatment compared to other tool steels like A-2 or D-2, making it ideal for precision parts such as rolls, punches, shear knives, and gauges.

Yes, MTR reports are available for this product, ensuring you receive verified material properties and compliance documentation.

The O1 tool steel has a machinability rating of 95 and an ultimate tensile strength of 105 ksi, making it a versatile choice for general-purpose tooling applications.

The bar is in stock and available in two lengths: 18 inches weighing approximately 1.2 lbs and 36 inches weighing about 2.4 lbs, both ready for prompt shipping.

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