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
0.625
Width
3.5
Max Length
36
Alloy
O1
Production Method
Precision Ground
Weight/Lineal Foot
7.45 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 measures 0.625 inches in thickness and 3.5 inches in width, made from O1 alloy. It is precision ground and available in lengths up to 36 inches.

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

MTR (Material Test Reports) are available for this product, but custom cuts are not offered from the warehouse for this item.

O1 tool steel has an ultimate tensile strength of 105 ksi, yield strength of 58 ksi, and a machinability rating of 95, making it a good choice for general purpose tooling.

The bar is available in two lengths: 18 inches weighing approximately 11.15 lbs and 36 inches weighing about 22.29 lbs, both currently in stock and ready to ship.

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