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
0.3125
Width
2
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
2.13 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 standard lengths, 18 inches and 36 inches, both in stock and ready to ship. However, there is no custom cut option available from the warehouse.

The O1 tool steel rectangle bar is commonly used for rolls, punches, shear knives, food processing knives, and gauges due to its excellent dimensional stability during heat treatment and good machinability.

O1 tool steel offers decent strength and wear resistance but is less strong and wear resistant than A-2 or D-2 steels. It has the advantage of experiencing significantly less distortion during heat treatment.

Yes, a Material Test Report (MTR) is available for this product, providing assurance of its chemical and mechanical properties.

The bar measures 0.3125 inches thick by 2 inches wide, with lengths available at 18 and 36 inches. The shipping weight is approximately 3.2 lb for the 18-inch length and 6.39 lb for the 36-inch length.

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