No 4 stainless steel finish is a perfect solution to make the surface with brushed hairline effect. Before you can create a beautiful brushed stainless steel finish, it would be better for you to know the process. There are some key factors that must be followed during the polished process. Learn about the benefits and disadvantages of this surface. A brushed finish surface looks elegant and is a popular choice for many kitchen applications. In this article, you will learn about the steps that go into the process and the pros and cons of a brushed finish surface.

How Do You Achieve A Stunning Brushed Or No 4 Stainless Steel Finish | TBK Metal

What Is No 4 Stainless Steel Finish?

As mentioned above, No 4 stainless steel finish is also known as brushed stainless steel finishes. The name suggests that it is not as smooth as stainless steel. It is a popular option for public spaces due to its durability, scratch resistance, and decorative nature. This type of finish is also scratch-resistant and is compatible with most cleaning products. The warmth of the finish makes it perfect for hiding blemishes and fingerprints. Many kitchen and bathroom sinks feature this type of finish. You can even find lamps with this finish.

There are two basic types of finishes for stainless steel: satin and brushed, both of them are very similar. Stainless steel with a satin polished finish is processed with No 6 finish, which very common and affordable. While brushed / No 4 stainless steel finish has a slightly rough surface, polished stainless steel has a smooth and shiny appearance. If you’re unsure about which finish you’d like for your project, please read this article for more details, or contact us. We’ll be happy to assist you in making a choice and communicating your requirements.

How Does Brushed Stainless Steel Finish Work?

There are a few steps involved in the brushed stainless steel finish process. First, a stainless steel plate or gauge sheet is brushed using a #4 grit abrasive. The next step involves applying a protective coating to prevent the finished piece from tarnishing. Once this layer of protection is applied, the process of applying the brushed finish can begin. In this step, the abrasive material is moved over the stainless steel surface in a cross-sectional pattern.

The process is not as complicated as it may sound. The final product will look uniform and beautiful, as long as the process is carried out correctly. In addition, the final result is a reflection of the fabricator’s expertise and common sense. It is also important to follow the correct work habits, including handling tools and consumables properly. Once the final product is complete, the final customer will be able to enjoy it, as it will resemble a work of art.

The Properties Of Brushed Stainless Steel

There is a wide range of architectural stainless steel products on the market, some factors would be considered in order to take a right type for your specified need. In addition to the basic alloy steel types (304, 316, 201, 430, etc.), another main difference between them is how their surfaces are finished, there are many techniques that can be used for sheet metal finishes, and one of the common types is brushed finish, which is also known as hairline finish. Now let’s keep exploring some properties of no 4 stainless steel finish as below:

Distinctive Silk Texture

The surface of no 4 stainless steel finish comes with the numerous hairline pattern that feels like texture of silk. Though the surface doesn’t have less ability of reflecting, but the surface still provides a metallic luster, which leaves a matte and dull seen on it. Such an effect presents a sleek appearance with both stylish and classic touches, and the distinctive style is perfect for decorative purpose.

Easy Cleaning

Hairline stain less steel is easy to clean and maintain, as the matte surface can hide the fingerprints or sweat stains when people touch it. That can help save you much effort and time for cleaning, it’s perfect option for kitchens, bathrooms, and anywhere cleaning is necessary.

Corrosion Resistance

Stainless steel with no 4 stainless steel finish is corrosion and rust resistance. The material can withstand rust, water, moisture, saline air, etc. The reason why stainless steel has a strong resistance as it’s a alloying metal that consists of some elements like chromium, which can form a strong resistant layer when it’s oxidized in the air, this layer allows the surface to resist rust and corrosion. In addition to chromium, such an alloy metal also include some other elements to enhance its properties, such as molybdenum, nickel, titanium, and more.


Stainless steel is a durable material, which can provide long useful life, and even thin stainless steel won’t deform under great pressure at high and low temperatures, making it one of the best ideal materials for various applications.

High Strength

One of the major reasons brushed stainless steel is popular is its basic material is tough and durable, its high strength gives it a outstanding resistance to strong impact and wear. And compare with other materials, stainless steel doesn’t need much material being used to form a strong structure, it can always keep its shape in good condition.


It’s a sustainable option when choosing stainless steel, as it’s a totally recyclable type of material. the scrap of stainless steel can be recycled for reuse once it has lost its original function, In fact, most stainless steel products are made from recycled scrapped material. Unlike some other materials, recycling scrapped stainless steel doesn’t need any harmful chemical to process, and it’s not necessary to add some elements that already existed in the material. So stainless steel is one of the regenerative resources that can avoid the scarcity of resources and protect the environments from being polluted.

Pros & Cons Of No 4 Stainless Steel Finish

Here are some pros and cons of brushed stainless steel surfaces, You should consider the pros and cons of the finish surface for your kitchen appliances. These pros and cons may help you decide which finish surface is the best for your kitchen.

Pros of Brushed Finish

There are two types of stainless steel finish: brushed and satin. Because they both have a brushed look, many consumers confuse them. Luckily, the two have some key differences. Read on to learn more about both. In the market, brushed / No 4 stainless steel finish is characterized by a brushed surface, while in Europe, it's referred to as a satin finish. These two finishes are similar but are distinct, both of them look unique & distinctive.

Compare with mirror finish stainless steel (No 8 finish), brushed surfaces are usually polished with much less smooth and gloss. Their brushed texture can visually conceal the dirt and dust on its surface. They are suitable for various applications that not require reflecting light. Another benefit of No 4 and No 6 finishes is that their brushed surfaces are not prone to scratches and abrasions. Therefore, this type of finish is more suitable for high-traffic parts of the commercial or residential applications

Cons of Brushed Finish

Stainless steel is available in different finishes: mirror, brushed, and textured. Brushed finish surfaces are generally less reflective than mirror-like finishes and are commonly used on parts that are subjected to frequent service. A mirror finish is easy to clean and is therefore desirable for parts that will be exposed to water or chemicals. However, it may not be the best option for every application.

It is difficult to match the no 4 stainless steel finish surface with other metal or stainless appliances. However, this problem can be avoided by buying all new appliances from the same brand. However, mixing different brands can result in an inconsistent look. Here are some of the pros and cons of brushed stainless steel surfaces.

In Conclusion

A No 4 stainless steel finish gives the appearance of a textured surface with fine parallel lines and muted luster. It has strong decorative appeal, but the overly reflective accents can be blinding in bright sunlight. This finish has reduced corrosion resistance because it is more susceptible to rust in the grooves. To achieve a brushed finish, a stainless steel surface is sanded in one direction with a 120-180 grit belt and softened with an 80-120 grit medium non-woven belt. The Gateway Arch in St Louis, Missouri, is clad in a brushed finish.

Another finish type is 2D. It is similar to 2B, but is made with finer grit belts and produces a more reflective surface. It is also common for industrial use, though it’s not ideal for decorative purposes. 2R is another type of brushed stainless steel finish, created through cold-rolling and heat-treatment. This finish is ideal for flat sheet stainless steel surfaces. These two types of finishes provide a variety of aesthetic benefits.

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