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
0.375
Width
1.25
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
1.66 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 1.25 inches in width, made from O1 tool steel alloy. It is ground oversize for precision and offers excellent dimensional stability during heat treatment.

Yes, O1 tool steel is an oil-hardening, general-purpose tool steel known for experiencing significantly less distortion during heat treatment compared to other alloys like A-2 or D-2.

This product is available in lengths up to 36 inches and offers custom cut options, although the custom cut warehouse stock is currently zero. You can select from standard lengths of 18 or 36 inches.

It is commonly used in rolls, punches, shear knives, food processing knives, and gauges due to its good machinability and dimensional stability.

Yes, a material test report (MTR) is available for this product, ensuring traceability and quality assurance.

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