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Which surface finishes to choose on stainless steel? Stainless steel materials have common properties that make them ideal for building applications. They are readily formable and weldable, protected by a chromium oxide layer at their surface, as a result of a chemical reaction between chromium available in steel and the oxygen in the atmosphere. They do not require surface protection against corrosion, as in case of damage, the surface self-repairs in the presence of oxygen. Some modifications can be added to this layer in order to produce modifications in the colour. There are many different types of surface finish on stainless steel. Some of these originate from the mill but many are applied later during processing. While stainless steel could be used in different applications, quality surface finishes are critical for the application to succeed, since a rough surface finish can decrease the material’s corrosion resistance to that of a lower grade of stainless steel. As there are many finishing options, you usually need professional assistance to help you decide which surface finish to choose according to the application of the stainless steel.
What is the most common stainless steel finishes? 2B Finish This is the most common cold-rolled mill industrial finish of choice. It is a general-purpose cold rolled stainless steel finish and is commonly used for all applications when an aesthetic stainless steel display is not a primary requirement, except in difficult deep drawing applications. It’s a dull grey and is slightly reflective. It also serves as a starting point for many of the other polished stainless steel finishes. Possible applications for 2B stainless steel finish include bakeware, chemical plant equipment, dye house equipment, flatware, laundry and dry cleaning as well as plumbing fixtures,