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
6
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
20.8 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 product is a rectangle bar with a thickness of 1 inch and a width of 6 inches. It is available in lengths up to 36 inches and is produced as a ground oversize bar for precise dimensions.

Yes, O1 tool steel is known for excellent dimensional stability during heat treatment, experiencing significantly less distortion compared to other tool steels like A-2 or D-2, making it ideal for rolls, punches, shear knives, and gauges.

Yes, MTR reports are available for this product, providing detailed information about the material's chemical and mechanical properties.

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

The product is in stock and available in two length variants: 18 inches weighing approximately 30.57 lbs and 36 inches weighing about 61.14 lbs, both ready to ship from Online Metals.

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