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
1.25
Width
4
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
17.01 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 rectangle bar measures 1.25 inches in thickness and 4 inches in width, made from O1 tool steel. It is precision ground for dimensional stability and has a maximum length of 36 inches.

This product is available in two standard lengths, 18 inches and 36 inches, but it is not stocked with custom cut options from the warehouse.

Yes, O1 tool steel offers excellent dimensional stability during heat treatment and experiences significantly less distortion compared to other tool steels like A-2 or D-2.

It is commonly used for rolls, punches, shear knives, food processing knives, and gauges due to its general-purpose oil-hardening properties.

Yes, MTR reports are available for this product, providing detailed material compliance and quality information.

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