Tool Steel Rectangle Bar O1 Oversize 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.
Thickness
1
Width
1.25
Max Length
36
Metal Type
Tool Steel
Shape
Bar-Rectangle
Yes
Eniteo Vendor ID
3145
Custom Cut Warehouse
0
Alloy
O1
Production Method
Ground Oversize
Weight/Lineal Foot
4.36 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 1 inch in thickness and 1.25 inches in width, made from O1 tool steel with a ground oversize production method. It offers excellent dimensional stability during heat treatment and contains elements such as 0.94% carbon and 0.5% chromium.

Yes, O1 tool steel is known for experiencing 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, food processing knives, and gauges.

The product is available in standard lengths of 18 and 36 inches, both in stock and ready to ship. However, custom cut options are not available from the warehouse for this item.

This O1 tool steel bar has a high machinability rating of 95 and an ultimate tensile strength of 105 ksi, making it a strong and easy-to-machine choice for general purpose tooling.

Yes, a Material Test Report (MTR) is available for this product, providing assurance of its material properties and compliance.

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