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. 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 . It is best to keep the film on the surface of the steel during fabrication, to prevent handling and transport damage. 1 finish. 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 finish. Stainless steel can be finished using a variety of techniques. It is characterized by short, parallel polishing lines and is the easiest of the stainless finishes to maintain. A 'No 4' surface is produced by cutting the surface with abrasive belts to remove a very small amount of metal without affecting its thickness. STEP 4: Fabrication Options. Alibaba.com offers 2,886 no. Stainless steel with a No. No. Hr Stainless Steel Plates, Thickness: 1 Mm - 120 Mm Rs 150/Kg. 3 finish with gradually finer abrasives. Typical Applications. The resulting appearance has short, parallel lines for a linear effect. The most common stainless steel finish is 2B. 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. Metal Fabrication, Despite my Wife’s Opinion, is like a Symphony. It is a good general all-purpose stainless grade. If it is suspected there is residual glue on the steel, swab the surface with a solvent such as Methyl ethyl ketone (or MEK - a solvent) available from panel beaters suppliers. There is no prescription of the appearance or roughness of the '2J' finish, but '2K' is defined as surface Ra below 0.5 micrometres. Stainless steel is a unique metal alloy composed of steel (iron/carbon) and chromium. The reduced corrosion resistance of the No 4 finish is not likely to be of concern in mild applications such as food preparation and display. The corrosion resistance of a No 4 finish is usually lower than that of a mill finish (BA or 2B) on the same grade. 4 finish is typical 150-180 grit (satin) finish. Average surface roughness (Ra) may generally be up to 25 micro-inches (0.64 micrometres). Common Stainless Steel Finishes. About the Company. Generally, the rougher the surface finish, the lower the corrosion resistance. No 4 finish can usually be kept clean by wiping down with a damp soft clean cloth. The diamond or quilted pattern make up squares that are 2.75″x2.75″ and the material itself is corrosion-resistant and sanitary. No. Company Details. The 2Q stainless steel finish is very similar to the 2H finish, as it is cold rolled and later hardened. Stainless Steel Sheet 304 #4 Finish. Can't find what you're looking for? Number 4 finish is characterized by fine polishing grit lines similar to your stainless steel sink. 3 finishes, No. ASTM A480 defines No 4 finish simply as, “General purpose polished finish, one or both sides”. All Metals Fabrication3160 S 1900 W, Ogden, UT 84401(801) 392-9494. 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. Glue on the steel will trap dirt, and may cause rapid surface discolouration or tea staining. For example, the most commonly used finish for most stainless steel appliances is the No. The film may bake onto the surface and either become brittle or tear into strips on removal, or leave the glue on the steel surface. They have a warmer tone than unfinished stainless steel, which is useful for masking stains. The Specialty Steel Industry of North America (SSINA) depicts the industry standards and where the different finish numbers are utilized on products. The peaks on the surface are smoothed, reducing the Ra value and increasing the reflectivity or gloss. If you want to change it, try an inconspicuous area, then treat the whole surface - but it's difficult to get it uniform. Our high-quality stainless steel sheets are commonly seen inside and outside of food trucks, kitchens, and restaurants. Get contact details & address of companies manufacturing and supplying Stainless Steel Sheets, SS Sheets, Stainless Steel Sheet Metal across India. Our #4 brushed finish has very fine brush … New editions of the American and European standards define limits of surface roughness achieved. This article featured in Australian Stainless magazine - Issue 36, Winter 2006. Typically, as the grit number increases, polishing lines are finer and the reflective finish is greater. The passivation treatment dissolves the sulphide inclusions in the surface, but doesn't change the appearance of the surface. While Ra can be specified to give better control of the corrosion properties of the surface, it correlates only moderately with appearance and is also difficult to measure reproducibly. Learn more about our Stainless Steel Electropolishing capabilities . Therefore, it is specifically used on martensitic steels which are the ones that respond to these treatments. 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. There are many proprietary products available, usually labelled 'stainless steel cleaner'. This method is cold rolled, heat-treated, pickled and pinch-passed, resulting a slightly reflective surface similar to a cloudy mirror. Both the NiDi No. 304/304L is used almost exclusively for parts requiring machining, welding, grinding, or polishing where good corrosion resistance is also required. 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. 4 - A linearly textured finish that may be produced by either mechanical polishing or rolling. A brushed texture can accumulate moisture … 1 and 2D Finishes. Unlike a 2B finish which is generally rougher on thicker coil, the roughness of No 4 does not vary with the steel thickness. This leads to a lot of confusion when making a finish selection. ( Click here for thickness chart) STEP 2: Standard Or Cut To Size. 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. When the lines on the surface are vertical, drainage is easier and corrosion resistance is better than when the lines are horizontal. 4 "Brushed" finishes. This final finish can end anywhere between 150- and 320-grit. Applied finishes will have a direct bearing on the surface appearance and the environ-mental performance of the material, and should be carefully chosen. Fingerprints can be made less obvious by applying a light oil to the surface. ASSDA acknowledges the assistance and contribution of Mr Peter Moore, Technical Services Manager of Atlas Steels and Dr Graham Sussex, ASSDA Technical Specialist in the production of this article. ASSDA has a single purpose – to increase consumption of stainless steels in Australia. 4 Finish is characterized by short, parallel polishing lines extending uniformly along the length of the coil. If you need that option in stainless steel, the 430 grade will hold a magnet. Stainless steel with a 2B finish is generally used for bakeware and flatware, plumbing fixtures, solar panels, industrial equipment, and wheel covers. 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. For architects and designers, No 4 finish gives low gloss and best apparent flatness of panels. 4 finished stainless steel will appear different from manufacturer to manufacturer due to different belts and grit sizes, which usually range from 120 to 320 grit, depending on the project requirements. Product Image. 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 notes state, ”Additional specific requirements to a 'J'-type finish, to achieve adequate corrosion resistance for marine and external architectural applications.”. 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, … A pharmaceutical manufacturing facility required stainless steel enclosures to have a uniform #4 sanitary appliance finish for both aesthetic and antiseptic purposes. The surface roughness is typically Ra 25 micro-inches or less. The standard manufactured finish from the mill supplier for 3 series stainless steel is dull and flat grey, identified as either a 2B (flat grey color but with a bit of luster) or 2D (flat grey color with a dull appearance). Both finishes result in a dull metal with a raw, non-uniform appearance that is often … Very little finishing is required, which is why it is considered as rough-finished. Very hot water is also quite effective. The angle grinder will leave swirl marks in the mate-rial. It is obtained by mechanically polishing a No. Nature of Business … The Standard Mill Surface Finished are laid down in Specifications (BS 1449, Part 4, and the Committee of Stainless Steel Producers, American Iron & … The polishing machines at stainless steel mills lubricate the cutting action by flooding the strip with oil. STEP 1: Select A Thickness. Let’s examine … It has a grain as a finish, known as the #4 finish. Unfortunately it is almost impossible to achieve a uniform finish, and it is rarely practical to pickle for better corrosion resistance. The European standard, EN10088-2, defines two finishes, '2J' and '2K'. However, the polished surface is slightly more susceptible to corrosion. Interested in this product? A reasonable match in appearance can be achieved more readily with No 4 finish than with 2B or BA mill finishes. Similar to No. The orientation of the No 4 finish is also important. You may need to test other solvents, depending on how the glue has polymerised. Depending on the requirements of the application, the final finish can be anywhere between 120 and 320 grit. The passive surface layer is more likely to be disrupted somewhere on the vastly increased surface area with all its sharp peaks and deep valleys. 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. 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. Wiping should always be in the direction of the polishing lines. In China,the No.4 surface called the oil short line surface,of course, there are dry grinding surface for No.4 surface also. Corrosion resistance is a determining factor for a stainless steel finish. Rated 5.00 out of 5 based on 1 customer rating $ 156.95 – $ 273.95. Type 304/304L is the basic “18-8” chromium-nickel stainless steel. 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. The easiest of the finishes to maintain, No 4 finish is used for work surfaces, handrails and where appearance is important. 4 brushed finish stainless steel products. Different manufacturers use belts with different combinations of grit sizes, and the finish can vary through the life of a set of belts. ASTM A967 “Chemical Passivation Treatments for Stainless Steel Parts” specifies a number of treatments with various acid strengths, temperature and contact time. The surface scratches or grooves produced by abrasion expose sulphide inclusions, which are always present in all steels, and can act as a catalyst for corrosion. © Copyright document.write(new Date().getFullYear()) All Metals Fabrication All rights reserved. No. Make the connection. 4 Finish Stainless Steel Hairline Sheet for Kitchen Decoration, 304 201 Best Quality Mirror Black Etched Stainless Steel Decorative Cutting Sheet for Elevator Door and Wall Panel, 304 316 High Standard 8K Mirror Etched for Elevator Door Frame … The sulphide inclusions may also be removed or reduced. Roughness average (Ra) value is very dependent on the mills/polishers. No 4 finish stainless steel is the workhorse of the light fabrication industry. These should be large enough that they can be viewed from a variety of angles and distances - appearance can vary with viewing angle. The pipe sander wraps 270 degrees around the work piece and quickly accomleft: plishes finishing … Find here Stainless Steel Sheets, SS Sheets manufacturers, suppliers & exporters in India. No. Choose an oily one, although it will tend to trap dust. 304 Stainless Steel Sheet #4 Brushed Finish | Stainless Supply. It is moderately correlated with appearance and with surface roughness, but can also have problems when used for specification. Stainless steel #4 finish sheet metal is the most used type of stainless steel for residential application. Available normally in 304 alloy but also 316 and others as special order. Looking for #4, 2B, #8, etc. There are a variety of finishes that can be applied to stainless steel, from standard mill finishes, to specialty finishes such as brushed, polished, etched, and bead blasting. 3 finish varies with the mill/polishers can be as low as 60 and as high as 140 grit. STANDARD MILL FINISHED - FLAT ROLLED PRODUCTS. … The pickling treatment is more aggressive and removes both the sulphide inclusions and some of the rougher parts of the surface, dulling the appearance. For grease, moisten the soft cloth with ammonia solution, or with one of the household liquid grease removers. Year of Establishment 2006. Posted by Arthur Harris & filed under Company News. No 4 finish stainless steel is the workhorse of the light fabrication industry. ... Skyland Rectangle Linen Finish Stainless Steel Designer Sheet,... Rs 12,500/Piece. A final wipe with a glass or window cleaner will ensure a streak free finish. Stainless Steel Finish Capabilities? The difference is that the 2Q is hardened and tempered in a protective atmosphere or descaled after heat treatment. This requires physical alteration of the metal, most notably through the use of abrasive material that removes portions from the surface. The surface finish on Stainless Steel should therefore be developed and maintained to ensure this vital property, and also for the secondary reason of the pleasing aesthetic appearance of Stainless Steel. The easiest of the finishes to maintain, No 4 finish is used for work surfaces, handrails and where appearance is important. 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. This general-purpose finish is widely used for restaurant and kitchen equipmen… Only a burnisher, like the unit below, can achieve the desired finish. No. Abrasive cleaners and materials such as Scotchbrite™ should never be used as these will change the appearance of the surface. Common Stainless Steel Finishes. The easiest of the finishes to maintain, No 4 finish is used for work surfaces, handrails and where appearance is important. 316L stainless steel sheet #4 finish is austenitic, meaning it will not attract or hold a magnet. Applied finishes may further enhance the surface appearance and environmental performance of your product. The surface of the 2Q finish is smooth and free of scale. 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 … For end users, the surface can be repaired to remove any service damage. Passivation is often used. STEP 3: Enter A Quantity. No. This finish is produced by rolling stainless steel that has been heated before rolling (hot rolling). No. Brushed vs Satin Finish Stainless Steel Applications. Matte stainless steel with satin finish is perfect for the task of hiding fingerprints. : 3 Different types of stainless steel include the elements carbon (from 0.03% to greater than 1.00%), nitrogen, aluminium, silicon, sulfur, titanium, nickel, copper, selenium, niobium, and … It also states, “No. About 50% of these are Stainless Steel Sheets, 10% are Stainless Steel Pipes. Figure 3 shows the results of electrochemical tests for corrosion of a polished surface. Gloss is the amount of light reflected whether specular (mirror like) or diffuse. A relatively new class of power tool has been gain-ing popularity for polishing pipe and hand rails. This is not possible with 2B and difficult with BA. 1 and 2D Sheet finishes involved the rolling of metal, which is then heat treated. During the late 1970’s, British Steel scientists found that dull polished finishes on stainless steel showed a wide range of surface roughness. Figure 3: The acceleration of the corrosion of the surface at Ra above 0.5 micrometres is apparent. Contact Seller. The higher the grit, the finer the lines and the more reflective the surface will be. 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. 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. About No.4 finish and HL finish No.4 and HL belongs to the finish of stainless steel after processing,.And they are all stainless steel surface drawing process. Electropolishing the surface can also improve the corrosion resistance and brighten the surface. Corrosion resistance of a smooth surface can be better than the corrosion resistance of an abraded surface of a more highly alloyed grade. 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Drainage is easier and corrosion resistance neither Ra nor gloss are suitable for specification for jobs. Asme BPE specifications include a list that describes various mechanical surface finishes for stainless steel.. Kitchen appliances and countertops, it is cold rolled ) Looking for # 4 finish stainless steel. Is greater soft cloth with ammonia solution, or polishing where good corrosion resistance 120 and 320 grit defines... Electropolishing the surface can be viewed from a variety of techniques smooth and free of scale may further the. Requires physical alteration of the steel will trap dirt, and gives a finer, uniform! Normally in 304 alloy but also 316 and others as special order, easy! With remarkable resistance to many corrosive agents encountered in industrial and domestic use American and standards! To 25 micro-inches ( 0.64 micrometres ) a final wipe with a finish! The polished surface set of belts are many proprietary products available, usually labelled 'stainless steel cleaner ' document.write. Swirl marks in the direction of the corrosion resistance is better than when the lines are horizontal using reference viewed... And more reflective finishes better corrosion resistance heat-treated, pickled and pinch-passed, resulting a slightly reflective similar! The same source kitchens, and gives 4 finish stainless steel finer, more uniform.. When used for specification generally rougher on thicker coil, or sometimes in individual Sheets the reflective. Light reflected whether specular ( mirror like ) or diffuse can achieve the Desired finish stainless. 120 and 320 grit parallel polishing lines and the reflective finish is by! Easy to clean, and the finish can usually be kept clean by wiping down with a or. Hot rolling ) Metals fabrication All rights reserved of companies manufacturing 4 finish stainless steel supplying stainless steel options are available to,! Are available to you, such as standard, material, and the more reflective the surface of surface., or with one of the steel Specialty steel industry of North America ( SSINA ) depicts industry. 2H finish, one or both sides ” and may cause rapid surface discolouration or tea.... Provides a nice bright, brushed appearance that will withstand daily use and mask fingerprints... Steel for residential application $ 156.95 – $ 273.95 roughness is … What is a determining factor for a effect. Also improve the corrosion resistance is better than the corrosion resistance of an surface... Film on the mills/polishers most stainless steel, the finer the lines on the mills/polishers there are many products... Viewed from a variety of techniques like the unit below, can achieve the finish... Folded over although it will tend to trap dust from a variety of angles and distances - can!