1018 Hot Rolled Steel

The numeric system that describes types of steel helps to determine the alloying ingredients by the first two digits of the alloy number, and the last two digits refer to the carbon content. Generally, as carbon is added, machinability and weldability decreases but strength increases.

The term steel refers to iron whereby 0.02 to 1.7% carbon has been added. There are many different types of steel and various alloys and applications for each type. Generally steel is low cost and it is easy to finish with paint or other coatings. This makes steel a popular choice for many different types of products. It is used commonly in the manufacturing of automobiles, homes, cutlery, appliances and magnetic cores just to name a few. Steel does however, have poor corrosion resistance.

In steel manufacturing, rolling is a forming process whereby metal materials are passed through a pair of rollers. There are different types of rolling; the most common are hot rolling and cold rolling. When the metal is higher than its recrystallization temperature it is referred to as hot rolling. Rolling is classified according to the temperature of the metal rolled. Cold rolling is the process that occurs when the metal is below its recrystallization temperature.

1018 Hot Rolled Steel is a low carbon, general use steel with excellent case hardening qualities. It has a higher manganese content than other low carbon steels. Because of its unique hardness and exceptional machining characteristics, it is a very good carburizing steel and suitable for parts requiring high surface hardness with a relatively soft core. Ratchets, oil tool slips, pins, anchor pins, special bolts and gears are often fabricated out of 1018 Hot Rolled Steel.

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