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
0.75
Width
4
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
10.45 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 tool steel rectangle bar measures 0.75 inches in thickness and 4 inches in width, with a maximum length of 36 inches. It is made from O1 alloy tool steel, known for its excellent dimensional stability during heat treatment and general purpose use.

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

The product is available in two standard lengths: 18 inches and 36 inches. However, there is no custom cut warehouse service available for this item, so custom cuts are not offered.

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

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

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