( Click here for thickness chart) STEP 2: Standard Or Cut To Size. There are also white powder stainless steel cleaners (Clark and Esteele), made of sulphamic acid, which can be wiped over the surface on a damp rag to brighten it - test an inconspicuous area first. STEP 1: Select A Thickness. Where it is important that the appearance of material matches on a job, it should all be taken from the same pack of sheets, used sequentially and in the same orientation. 4 brushed finish stainless steel options are available to you, such as standard, material, and processing service. Corrosion resistance may be reduced depending on the stainless steel grade used. Type 304/304L is the basic “18-8” chromium-nickel stainless steel. 4 finish is attained by mechanically polishing the metal with fine abrasives belts to remove minimal amounts of metal from the surface. Stainless steel with a No. The polishing machines at stainless steel mills lubricate the cutting action by flooding the strip with oil. Nature of Business … Uses for 316L stainless steel #4 finish may include wall cladding, decorative commercial and residential stainless steel applications, outdoor applications, food grade applications, and any situation that high corrosion resistance is needed. A relatively new class of power tool has been gain-ing popularity for polishing pipe and hand rails. Do Start With the Desired Finish on the Parent Material. The variability of the process means not every No 4 finish looks the same, even from the same source. 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 above finishes are some of many mechanical finishes which are often used in the metal finishing industry. Corrosion resistance of a smooth surface can be better than the corrosion resistance of an abraded surface of a more highly alloyed grade. Rated 5.00 out of 5 based on 1 customer rating $ 156.95 – $ 273.95. The steel is run slowly under rolls, on which the abrasive belts run. Unlike a 2B finish which is generally rougher on thicker coil, the roughness of No 4 does not vary with the steel thickness. For example, the most commonly used finish for most stainless steel appliances is the No. The water break test tells you the surface is clean - clean water dries as a film, doesn't stand in bubbles on the surface. Stainless steel with a No. 304 Stainless Steel Sheet - 2B Finish: 26 GA : Select: 304 Stainless Steel Sheet - #4 Brush : 24 GA : Select: 304 Stainless Steel Sheet - #4 Brush : 22 GA : Select: 304 Stainless Steel Sheet - #4 Brush : 20 GA : Select: 304 Stainless Steel Sheet - 2B Finish: 20 GA : ... 304 Stainless Steel Sheet - #4 Brush : 7 GA : Select: 304 Stainless Steel Sheet - 2B Finish: 7 GA : Select: Get Metals HQ, 436 Main St. Suite 204, … Stainless steel #4 finish sheet metal is the most used type of stainless steel for residential application. No 4 finish is usually supplied with a protective plastic film of white polyethylene, which often has printed lines on the plastic in the same direction as the No 4 polish. 1 and 2D Finishes. Hr Stainless Steel Plates, Thickness: 1 Mm - 120 Mm Rs 150/Kg. The corrosion resistance of a No 4 finish is usually lower than that of a mill finish (BA or 2B) on the same grade. We are suppliers of No.4 Finish or Matte Finish stainless steel sheets made by world’s leading mills, such as Jindal Stainless Ltd., POSCO, DKC- Korea, European Mills, NTK- Japan, TISCO, Aperam and others. Similar to No. The surface traces of Figures 1 and 2 show comparisons between typical No 4 and 2B finishes. However, in more aggressive conditions such as marine and industrial atmospheres it is important to be aware of the reduced corrosion resistance of No 4 finish and to take steps to improve the resistance. There are many proprietary products available, usually labelled 'stainless steel cleaner'. Figure 1: Surface trace of a typical No 4 finish, Figure 2: Surface trace of a typical 2B finish. 4 finished stainless steel is duller than stainless steel with a 2B finish. It is difficult to keep the surface clean when there are intersecting valleys, torn metal flaps or peaks that have been folded over. All Metals Fabrication3160 S 1900 W, Ogden, UT 84401(801) 392-9494. Therefore, it is specifically used on martensitic steels which are the ones that respond to these treatments. Abrasive belts have very fine grains of refractory material such as silica, alumina and zirconia embedded in an adhesive layer on a flexible cloth or paper backing. Get Quote. STANDARD MILL FINISHED - FLAT ROLLED PRODUCTS. For grease, moisten the soft cloth with ammonia solution, or with one of the household liquid grease removers. 1 … Applied finishes will have a direct bearing on the surface appearance and the environ-mental performance of the material, and should be carefully chosen. No 4 finish stainless steel is the workhorse of the light fabrication industry. No 4 finish stainless steel is the workhorse of the light fabrication industry. Let’s examine … The terminology behind stainless steel finishes can be confusing at times, so outlined below are basic summaries, explanations, and examples of what each finishing term means and some of its characteristics: No. It is best to keep the film on the surface of the steel during fabrication, to prevent handling and transport damage. Again, surface roughness is … Electropolishing the surface can also improve the corrosion resistance and brighten the surface. A pharmaceutical manufacturing facility required stainless steel enclosures to have a uniform #4 sanitary appliance finish for both aesthetic and antiseptic purposes. The European standard, EN10088-2, defines two finishes, '2J' and '2K'. Mechanically A No. ... Skyland Rectangle Linen Finish Stainless Steel Designer Sheet,... Rs 12,500/Piece. 4 GUIDE TO STAINLESS STEEL FINISHES Mechanically Polished and Brushed Finishes The number of additional finishing processes can be minimised by selecting, as the starting point, the closest mill finish to the desired end result. Choose an oily one, although it will tend to trap dust. Fingerprints can be made less obvious by applying a light oil to the surface. When talking about brushed stainless steel and satin stainless steel, these two finishes have a lot in common, and many consumers use the terms synonymously. Average surface roughness (Ra) may generally be up to 25 micro-inches (0.64 micrometres). The belts are wider than the stainless steel, which is usually worked on as coil, or sometimes in individual sheets. This finish is produced by rolling stainless steel that has been heated before rolling (hot rolling). The pipe sander wraps 270 degrees around the work piece and quickly accomleft: plishes finishing … Typically, as the grit number increases, polishing lines are finer and the reflective finish is greater. Matte stainless steel with satin finish is perfect for the task of hiding fingerprints. A brushed texture can accumulate moisture … Number 4 finish is characterized by fine polishing grit lines similar to your stainless steel sink. The sulphide inclusions may also be removed or reduced. (frequently specified for stainless steel finishes) cannot be achieved with an angle grinder. These should be large enough that they can be viewed from a variety of angles and distances - appearance can vary with viewing angle. 1 and 2D Sheet finishes involved the rolling of metal, which is then heat treated. Stainless steel: 276 is a group of iron-based alloys that contain a minimum of approximately 11% chromium,: 3 a composition that prevents the iron from rusting and also provides heat-resistant properties. Dedicated 60’ Tube & Structural-Shape Lasering, AMF Stainless Fabrication and Welding Is Best In State…, Custom Stainless Steel Fabrication Fits Us Like Hand In Glove. No. 4 Finish is the most popular for appliances, the food and beverage industry, elevators, escalators, hospitals, and any work area where there is food contact. This leads to a lot of confusion when making a finish selection. The orientation of the No 4 finish is also important. 1 finish. The higher the grit, the finer the lines and the more reflective the surface will be. If you want to change it, try an inconspicuous area, then treat the whole surface - but it's difficult to get it uniform. Get Latest Price from the seller. The pickling treatment is more aggressive and removes both the sulphide inclusions and some of the rougher parts of the surface, dulling the appearance. 1 finish. Legal Status of Firm Individual - Proprietor. Stainless steel is a unique metal alloy composed of steel (iron/carbon) and chromium. It is obtained by mechanically polishing a No. 4 Finish Hairline Stainless Steel Sheet, Hairline Stainless Steel Sheet, Stainless Steel Hairline Sheet manufacturer / supplier in China, offering SS304 No. It is a good general all-purpose stainless grade. No 4 finish can usually be kept clean by wiping down with a damp soft clean cloth. Year of Establishment 2006. Some No 4 finishes can pull threads and fluff from the cloth which are very hard to get off the steel. Glue on the steel will trap dirt, and may cause rapid surface discolouration or tea staining. Higher grit numbers produce finer polishing lines and more reflective finishes. Common Stainless Steel Finishes. … Make the connection. No. Unfortunately it is almost impossible to achieve a uniform finish, and it is rarely practical to pickle for better corrosion resistance. The film has limited resistance to sunlight, and should not be left on the steel in the sun for more than a week or two - an hour or two if the film isn't black underneath. Further testing revealed that steel with high surface roughness was heavily damaged by the polishing operations, whereas steel with low surface roughness was relatively unscathed.During the mid-1980’s dull polished finishes became widely used on projects such as high-profile architectural … There is no prescription of the appearance or roughness of the '2J' finish, but '2K' is defined as surface Ra below 0.5 micrometres. Wiping should always be in the direction of the polishing lines. No 4 finish is duller than the other common finishes, 2B and BA and is generally used where lower reflectivity or gloss is required and where welds and other fabrication marks are to be refinished to match the original surface. STAINLESS STEEL NO.4 FINISH IS ALSO CALLED MATT FINISH WHICH COME IN THICKNESS:0.8M,1MM, 1.2MM,1.5MM,2.MM SIZE:-8FT X 4FT.10FT X 4 FT . Our #4 brushed finish has very fine brush … The peaks on the surface are smoothed, reducing the Ra value and increasing the reflectivity or gloss. Common Stainless Steel Finishes. 3 finishes, No. STEP 4: Fabrication Options. When the lines on the surface are vertical, drainage is easier and corrosion resistance is better than when the lines are horizontal. This general-purpose finish is widely used for restaurant and kitchen equipmen… The surface of the 2Q finish is smooth and free of scale. 4 finishes show an Ra of 25 micro-inches or less with a highly reflective finish. This article featured in Australian Stainless magazine - Issue 36, Winter 2006. 2B (Bright, Cold Rolled) Typical Applications. For architects and designers, No 4 finish gives low gloss and best apparent flatness of panels. Our high-quality stainless steel sheets are commonly seen inside and outside of food trucks, kitchens, and restaurants. 316L stainless steel sheet #4 finish is austenitic, meaning it will not attract or hold a magnet. No. New editions of the American and European standards define limits of surface roughness achieved. No. 4 finish is attained by mechanically polishing the metal with fine abrasives belts to remove minimal amounts of metal from the surface. The most common stainless steel finish is 2B. ASTM A967 “Chemical Passivation Treatments for Stainless Steel Parts” specifies a number of treatments with various acid strengths, temperature and contact time. Looking for #4, 2B, #8, etc. Two finishes with the same Ra can look substantially different, as can finishes with the same gloss level. 9012 and previous revisions of ASME BPE specifications include a list that describes various mechanical surface finishes for stainless steel. Figure 3 shows the results of electrochemical tests for corrosion of a polished surface. A final wipe with a glass or window cleaner will ensure a streak free finish. 4 finish is sometimes called the workhorse finish, as it is easy to maintain in high-traffic areas such as handrails, kitchen equipment, stainless steel sinks, bus shelters, elevator doors, and work surfaces. A skilled operator can generally blend this finish.”, The practice in Australia is only to use 'No 4' as a description of a polished finish and it is not a rolled finish. It is moderately correlated with appearance and with surface roughness, but can also have problems when used for specification. 304 Stainless Steel Sheet #4 Brushed Finish | Stainless Supply. Product Image. If you need that option in stainless steel, the 430 grade will hold a magnet. No.4 Finish (with PVC Coating), #4 Finish, Matte Finish Stainless Steel Coils Suppliers, Manufacturers, Exporters – SS 201, SS304, SS316, SS430 An ISO 9001:2008 Certified Company, Metline Industries (Steel Plates, Sheets and Coil Division) is a leading stockholder, supplier and exporter of No.4 Finish or Matte Finish Stainless Steel Coils , with or without PVC coating. Neither Ra nor gloss are suitable for specification for critical jobs in architecture. 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