Hot rolled flat bar sae 1020 carbon steel bar is a lesser manufactured grade of steel than 1018 steel, and many not be as readily available as 1018. Like 1018, it can come in both hot rolled or cold drawn forms, but it is typically produced as cold drawn.
It comes in many different bar shapes including squares, rounds, rectangles, and is also often manufactured into channels, angles, I-Beams and H-Beams. It is also commonly produced as a steel plate product.
After performing the core refining process, it is re-heated to 760°C – 780°C followed by holding until the temperature is consistent all over the section. It is then quenched in water.
Hot rolled flat bar sae 1020 carbon steel bar is re-heated at 150°C – 200°C followed by holding for certain time until the temperature remains constant throughout the section. It is soaked for 1 hour per 25 mm of section and then cooled under normal atmosphere.
By performing the tempering process, the toughness of the case will be improved and grinding cracks will be reduced.
AISI 1020 steel is heated at 890°C – 940°C followed by holding until the temperature remains constant throughout the section. It is soaked for 10 – 15 minutes and then cooled in still air.
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