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
0.375
Width
3
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
3.83 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 0.375 inches in thickness and 3 inches in width, made from O1 alloy tool steel. It is precision ground for excellent dimensional stability and has a maximum length of 36 inches.

Yes, the bar is available in cut lengths of 18 and 36 inches, with no custom cut warehouse availability. It ships with weights of approximately 5.75 lb for 18 inches and 11.49 lb for 36 inches.

O1 tool steel is an oil-hardening, general purpose tool steel known for excellent dimensional stability during heat treatment and good machinability (rated 95). It is commonly used for rolls, punches, shear knives, food processing knives, and gauges.

Yes, an MTR report is available for this product, ensuring traceability and quality verification.

O1 is less strong and wear resistant than A-2 or D-2 tool steels but offers significantly less distortion during heat treatment, making it suitable for applications requiring dimensional stability.

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