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
0.0625
Width
5
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
1.07 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 is precision ground with a thickness of 0.0625 inches and a width of 5 inches. It is made from O1 tool steel, an oil-hardening alloy known for excellent dimensional stability during heat treatment.

Yes, O1 tool steel is commonly used for rolls, punches, shear knives, food processing knives, and gauges due to its good dimensional stability and decent strength, making it suitable for precision tooling.

The bar is available in standard lengths up to 36 inches, with options including 18 and 36 inches. However, the custom cut warehouse availability is zero, indicating custom cuts may not be offered directly from stock.

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

The O1 tool steel has a high machinability rating of 95, which means it is relatively easy to machine, allowing for efficient fabrication and finishing.

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