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
0.5
Width
0.625
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
1.07 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 is available in two lengths: 18 inches and 36 inches, both in precision ground finish.

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

Yes, MTR reports are available for this O1 tool steel rectangle bar.

The O1 tool steel rectangle bar has a high machinability rating of 95, making it relatively easy to machine.

The bar weighs approximately 1.07 lb per unit, with shipping weights of 1.61 lb for the 18-inch length and 3.21 lb for the 36-inch length.

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