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
0.0938
Width
8
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
2.55 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 precision ground rectangle bar measures 0.0938" thick by 8" wide, made from O1 oil-hardening tool steel. It offers excellent dimensional stability during heat treatment and contains approximately 0.94% carbon and 0.5% chromium.

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

The product is available in standard lengths of 18" and 36" with respective shipping weights of 3.83 lb and 7.65 lb. However, custom cut options are not available from the warehouse for this item.

Yes, MTR reports are available for this product, providing assurance of its material composition and quality.

The O1 tool steel has a high machinability rating of 95, making it easy to machine. It is commonly used for manufacturing rolls, punches, shear knives, food processing knives, and gauges.

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