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
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
1.33 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 product is a rectangular bar with a thickness of 0.375 inches and a width of 1 inch. It is available in lengths up to 36 inches and is ground oversize for precise dimensions.

Yes, O1 tool steel offers excellent dimensional stability during heat treatment, making it ideal for uses such as rolls, punches, shear knives, food processing knives, and gauges.

The bar is available in standard lengths of 18 and 36 inches, and custom cut options are not stocked in the warehouse. You can select from these available lengths when ordering.

This O1 tool steel has a machinability rating of 95 and an ultimate tensile strength of 105 ksi, providing a good balance of strength and ease of machining for general purpose tool steel applications.

Yes, a material test report (MTR) is available for this product to verify its chemical and mechanical properties.

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