Stainless Steel Sheet Finish Types

Stainless steel sheet is available in type 304 and type 316.

Stainless steel sheet finish types.

The finish is produced by cold rolling stainless steel through special rolls or dies. There are countless variations of stainless steel that you could potentially use for a custom wire basket or tray. There are a number of basic types of stainless steel finishes. 1 finish has a dull rough uneven appearance.

Great care should be taken in removing the surface defects in the metal like pits that could allow bacteria to grow. Ryerson stocks many varieties of stainless steel sheet including 304 stainless steel the most popular of the stainless steels. The cold rolling produces a smoother less pitted surface. 2b matte finishes are the least expensive of the stainless steel finishing options.

Picking the right grade of stainless steel requires knowing what your options are. 2d this finish is also achieved by cold rolling heat treating and pickling but unlike 2b does not receive the light rolling. This type of stainless sheet thickness provides excellent corrosion resistance for both industrial and marine applications. This finish is produced by polishing with a 180 240 grit belt.

Our 304 stainless steel sheet 4 finish meets the criteria for both the 3 and 4 finish. Surface imperfections are sometimes erased by grinding which can leave behind shiny spots. Each formulation of stainless steel alloy has its own unique properties for tensile strength melting point oxidation resistance and corrosion resistance. Next it is softened and de scaled in acid solution.

304 stainless steel sheet 4 finish is the brushed finish commonly seen on kitchen appliances and backsplashes. It resembles a very hazy mirror with some reflection evident. 30 ra 20 ra. This finish is mainly used for industrial applications such as furnace arch supports furnace conveyors furnace linings air heaters boiler baffles incinerators kiln liners and industrial oven liners among.

The 304 stainless steel sheet 4 finish has a pvc film on one side to help protect against scratching during fabrication and installation. Mill finishes guide to stainless steel finishes 3 1d hot rolled and annealed and with the mill scale removed this surface condition is classified as a 1d finish. Type 304 can be easily roll formed or bent and its excellent corrosion resistance and weldability make it one of the most popular grades. A bright cold rolled finish is the most commonly mill finish for light gauge stainless steel sheet.

Type 316 is a high corrosion resistance alloy providing greater resistance to pitting type corrosion. Here s a brief round up of 10 types of stainless steel surface finishes. It is obtained by a final light roll pass of the sheet through polished rolls. 4 dairy or sanitary finish this finish is commonly used for the medical and food industry almost exclusively used on stainless steel.

Another popular grade is 316 stainless steel which is used in applications where additional corrosion resistance is required. Considered the most widely used surface finish 2b is the basis for most polished and brushed finishes.