Stainless steel and aluminium can be supplied in a variety of different finishes to either enhance their aesthetics or improve their corrosion resistance.
Stainless steel mill finish.
The finishes are designated by a system of numbers and these are broadly described hereunder relative to the finishing operations employed.
The 2b mill finish is achieved with an additional light cold roll pass and is the standard finish for 201 301 304 304l and 316l stainless steel.
The most common finish though that the metal is produced and supplied in is known as mill finish and the quality and look of mill finish differs from metal to metala nd even between different forms.
However most of these steels require further finishing processes to meet the requirements of certain applications.
It resembles a very hazy mirror with some reflection evident.
Stainless steel for example will not be brightly polished as it exits the mill and will have a lackluster dull to even black appearance as it is processed.
Mill finishes for stainless steel mill finish is the basic supply condition for stainless steels no matter whether they are cold or hot rolled.
Stainless steel with a 2b finish is generally used for bakeware and flatware plumbing fixtures solar panels industrial equipment and wheel covers.
316l stainless steel sheet 2b finish has a mill finish which is smooth and not the brushed finish commonly seen on kitchen appliances.
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.
This is the general purpose cold rolled finish that can be used as is or a preliminary step to.
While some products may only require standard stainless steel finishes others may need something extra in order to enhance surface appearances improve environmental.
Builders will often wish to incorporate a mill finish into a project that is traditionally completed with a chemically finished or a machined appearance.
From mill finishes to applied finishes the stainless steel finishes that are applied to the surface of your stainless steel can play a bigger role than you may realize.
This surface which is found on thicker sheets and plate is slightly coarse with very low reflectivity.
Number 1 finish is hot rolled as rolled dull mill finish and not grained or polished.
The standard mill surface finishes are laid down in specifications bs 1449 part 4 and the committee of stainless steel producers american iron steel institute.
Type 304 304l is the basic 18 8 chromium nickel stainless steel.
A bright cold rolled finish is the most commonly mill finish for light gauge stainless steel sheet.