Stainless Steel Sheet Finish Types

Surface imperfections are sometimes erased by grinding which can leave behind shiny spots.

Stainless steel sheet finish types.

This finish is produced by polishing with a 180 240 grit belt. Such common stainless steel grades as 201 304 304l and 316l come in a standard 2b finish. 2b matte finishes are the least expensive of the stainless steel finishing options. Next it is softened and de scaled in acid solution.

This surface which is found on thicker sheets and plate is slightly coarse with very low reflectivity. This type of stainless sheet thickness provides excellent corrosion resistance for both industrial and marine applications. It is obtained by a final light roll pass of the sheet through polished rolls. A bright cold rolled finish is the most commonly mill finish for light gauge stainless steel sheet.

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. Type 304 can be easily roll formed or bent and its excellent corrosion resistance and weldability make it one of the most popular grades. 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. It resembles a very hazy mirror with some reflection evident.

Ryerson stocks many varieties of stainless steel sheet including 304 stainless steel the most popular of the stainless steels. Our 304 stainless steel sheet 4 finish meets the criteria for both the 3 and 4 finish. Each formulation of stainless steel alloy has its own unique properties for tensile strength melting point oxidation resistance and corrosion resistance. Type 316 is a high corrosion resistance alloy providing greater resistance to pitting type corrosion.

The cold rolling produces a smoother less pitted surface. Here s a brief round up of 10 types of stainless steel surface finishes. 4 dairy or sanitary finish this finish is commonly used for the medical and food industry almost exclusively used on stainless steel. 30 ra 20 ra.

1 finish has a dull rough uneven appearance. Considered the most widely used surface finish 2b is the basis for most polished and brushed finishes. 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.

There are countless variations of stainless steel that you could potentially use for a custom wire basket or tray. Stainless steel sheet is available in type 304 and type 316. Great care should be taken in removing the surface defects in the metal like pits that could allow bacteria to grow. It is primarily used for non decorative purposes.

Picking the right grade of stainless steel requires knowing what your options are. The 304 stainless steel sheet 4 finish has a pvc film on one side to help protect against scratching during fabrication and installation.