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
0.25
Width
8
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
7.14 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 0.25" in thickness and 8" in width, with a maximum length of 36". It is made from O1 alloy, an oil-hardening tool steel known for excellent dimensional stability during heat treatment.

Yes, the O1 tool steel bar has a machinability rating of 95, making it suitable for machining. It is commonly used in rolls, punches, shear knives, food processing knives, and gauges.

The product is available in two standard lengths: 18" and 36". Custom cut options are not available from the warehouse for this item.

The 18" length weighs approximately 10.2 lbs and the 36" length weighs about 20.4 lbs. Both lengths are currently in stock and available for immediate shipment.

Yes, material test reports (MTR) are available for this product to verify its chemical and mechanical properties.

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