Stainless Steel Sheet Finish Types

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

Stainless steel sheet finish types.

This finish is produced by polishing with a 180 240 grit belt. 30 ra 20 ra. Considered the most widely used surface finish 2b is the basis for most polished and brushed finishes. This type of stainless sheet thickness provides excellent corrosion resistance for both industrial and marine applications.

The finish is produced by cold rolling stainless steel through special rolls or dies. Another popular grade is 316 stainless steel which is used in applications where additional corrosion resistance is required. The cold rolling produces a smoother less pitted surface. Each formulation of stainless steel alloy has its own unique properties for tensile strength melting point oxidation resistance and corrosion resistance.

It is primarily used for non decorative purposes. 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. 1 finish has a dull rough uneven appearance. A bright cold rolled finish is the most commonly mill finish for light gauge stainless steel sheet.

Great care should be taken in removing the surface defects in the metal like pits that could allow bacteria to grow. It resembles a very hazy mirror with some reflection evident. Type 304 can be easily roll formed or bent and its excellent corrosion resistance and weldability make it one of the most popular grades. Type 316 is a high corrosion resistance alloy providing greater resistance to pitting type corrosion.

There are countless variations of stainless steel that you could potentially use for a custom wire basket or tray. 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. 2d this finish is also achieved by cold rolling heat treating and pickling but unlike 2b does not receive the light rolling. 304 stainless steel sheet 4 finish is the brushed finish commonly seen on kitchen appliances and backsplashes.

It is obtained by a final light roll pass of the sheet through polished rolls. This surface which is found on thicker sheets and plate is slightly coarse with very low reflectivity. Next it is softened and de scaled in acid solution. There are a number of basic types of stainless steel finishes.

Picking the right grade of stainless steel requires knowing what your options are. Our 304 stainless steel sheet 4 finish meets the criteria for both the 3 and 4 finish. The 304 stainless steel sheet 4 finish has a pvc film on one side to help protect against scratching during fabrication and installation. Ryerson stocks many varieties of stainless steel sheet including 304 stainless steel the most popular of the stainless steels.

4 dairy or sanitary finish this finish is commonly used for the medical and food industry almost exclusively used on stainless steel. Here s a brief round up of 10 types of stainless steel surface finishes.