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
0.375
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
5.29 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 made from O1 tool steel with a thickness of 0.375 inches and a width of 4 inches. It is ground oversize for precision and available in lengths up to 36 inches.

Yes, O1 tool steel offers excellent dimensional stability during heat treatment, making it ideal for rolls, punches, shear knives, food processing knives, and gauges.

Custom cutting is not available from the warehouse for this product. However, a material test report (MTR) is available to verify the steel's quality and composition.

The O1 tool steel has a high machinability rating of 95 and an ultimate tensile strength of 105 ksi, providing a good balance of strength and ease of machining.

The bar is in stock and available in two length options: 18 inches weighing 7.65 lbs and 36 inches weighing 15.3 lbs, allowing buyers to select based on their project needs.

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