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
0.1406
Width
3
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
1.43 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 is available in standard lengths of 18" and 36". However, the product data indicates no custom cut warehouse availability, so custom cutting may not be offered directly.

O1 tool steel is an oil-hardening, general-purpose alloy known for excellent dimensional stability during heat treatment. It is commonly used for rolls, punches, shear knives, food processing knives, and gauges.

The O1 alloy has a high machinability rating of 95, making it easier to machine compared to other tool steels like A-2 or D-2, which are stronger but less machinable.

Yes, MTR availability is confirmed for this product, providing assurance of material quality and compliance.

The bar measures 0.1406" thick by 3" wide, with lengths available up to 36". The shipping weight ranges from approximately 2.16 lb for the 18" length to 4.32 lb for the 36" length.

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