AISI 1018 Suppliers - Low Carbon Steel / Mild SteelAISI 1018 is a low carbon steel, which having higher manganese content than certain other low carbon steels , such AISI 1020 steel (S20C, CK22).
Hence being richer in Managanese , 1018 Low Carbon Steel is a better steel for carburized parts, since it produces a harder and more uniform case.
Chemical Composition of 1018 Steel
|0.15 – 0.20||0.60 – 0.90||max. 0.04||max. 0.05|
Low Carbon Steel AISI 1018 also has higher mechanical properties and better machining characteristics. The hot rolled bars used in the manufacture of this product are of special quality.
Most cold finished bars are produced by cold drawing. We supply CS 1018 or known as AISI 1018 in COLD DRAWN condition.
In this process, oversize hot rolled bars, which have been cleaned to remove scale, are drawn through dies to the required size.
The larger sizes are generally turned and polished, the hot rolled bars having been machine turned, rather than drawn, followed by abrasive polishing. Turned and polished bars tend to have a somewhat brighter finish than cold drawn bars.
Applications of AISI 1018 Round Bars
Material 1018 Round Bars are suitable for
Parts requiring cold forming, such as crimping, bending, or swaging.
Especially suitable for carburized parts requiring soft core and high surface hardness, such as gears, pinions, worms, king pins, ratchets, dogs so on.
Mechanical properties of Alloy Steel 1018
The following values are average and may be considered as representative.
|Reduction in area||%||45||55|
AISI 1018 has a machinability rating of 78% of AISI B-1112. Average surface cutting speed is 130 feet per minute.
Low Carbon Steel Grade 1018 is easily welded by all the welding processes, and the resultant welds and joins are of extremely high quality. The grade of welding rod to be used depends upon the thickness of section, design, service requirements and so on.
HardeningAISI 1018 will respond to any of the standard carburizing methods and subsequent heat treatments. For a hard case and tough core, the following heat treatment is suggested: carburize at 1650 – 1700 degree Fahrenheit for approximately eight hours, cool in box and reheat to 1400 – 1450 degree Fahrenheit quench in water and drawn at 300 – 350 degree Fahrenheit.
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