Cold Rolled Steel Finish

If the cold rolled product was annealed it will be easier to work than hot rolled material.

Cold rolled steel finish.

Cold rolled steel improved surface finishes tighter tolerances april 24 2017 definition. In stock and ready to ship. Cold rolled steel is defined as the group of steels which has been passed through a rolling mill below its recrystallization temperature. Number 1 or matte dull finish.

The finished material appears dark gray and has a smooth reflective surface that is resistant to corrosion thanks to a stable oxidation film on the surface of the finished steel. Product with 2b finish is normally supplied in the annealed plus lightly cold rolled condition unless a tensile rolled harder and stronger product is specified. It also aids in drawing by reducing the amount of contact and therefore the. A finish without luster produced by rolling on rolls roughened by mechanical or other means.

Our blackened hot rolled finish is simple. When the steel cools off it will shrink slightly thus giving less control on the size and shape of the finished product when compared to cold rolled. Bright annealed ba finish a smooth bright reflective finish typically produced by cold rolling followed by annealing in a protective atmosphere so as to prevent oxidation and. Choose from our selection of cold finished steel including low carbon steel sheets and bars multipurpose 4140 alloy steel bars and more.

One can easily recognize the difference in finish when comparing a cold finished bar to a hot rolled bar. As such it is usually a bit more expensive. Cold rolled steel is also up to 20 percent stronger than hot rolled steel making it ideal for parts that require minimal mechanical fluctuation under pressure. One can easily recognize the difference in finish when comparing a cold finished bar to a hot rolled bar.

Actual colors in finish may vary slightly from sample image shown. A hot rolled bar comes out of the mill with a rough abrasive discolored and dirty surface. Cold rolled strip steel finishes are usually specified to one of the finishes below. This finish is especially suitable for paint adhesion.

A hot rolled bar comes out of the mill produced at temperatures of 1600 f to 2200 f with a rough abrasive discolored and dirty surface. Hot rolled products like hot rolled steel bars are used in the welding and construction trades to make railroad tracks and i beams for example.