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
0.1563
Width
3
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
1.59 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 0.1563" thick and 3" wide, made from O1 tool steel, which is an oil-hardening, general-purpose alloy known for excellent dimensional stability during heat treatment.

Yes, the bar is available in lengths up to 36" and can be ordered in custom cut sizes, with options such as 18" and 36" lengths currently in stock.

While O1 offers good dimensional stability and machinability, it is less wear resistant than A-2 or D-2 steels, making it ideal for rolls, punches, shear knives, food processing knives, and gauges where less distortion is critical.

Yes, MTR reports are available for this product to verify its chemical and mechanical properties.

The bar is in stock and ships with weights of approximately 2.4 lb for an 18" length and 4.8 lb for a 36" length, ensuring prompt delivery.

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