304 Stainless Steel Sheet 4 Brushed Finish

304 stainless steel sheet with No.4 brushed finish is a widely used material that combines the corrosion resistance of 304 stainless steel with a decorative satin-textured surface. Its durability, modern appearance, and easy fabrication make it suitable for architectural decoration, kitchen equipment, commercial interiors, and industrial applications. The brushed finish also enhances the visual quality of stainless steel while improving resistance to fingerprints and surface wear.

Description

304 stainless steel sheet No.4 brushed finish is one of the most commonly used decorative stainless steel materials in construction, manufacturing, and interior design. It combines the corrosion resistance and strength of 304 stainless steel with a satin-textured brushed surface, creating a modern metallic appearance that is both functional and aesthetically appealing.

The No.4 brushed finish produces fine parallel lines on the metal surface, reducing reflectivity while improving resistance to fingerprints and minor scratches. Because of these characteristics, it is widely used in architectural panels, kitchen equipment, and commercial decorative applications.

What Is 304 Stainless Steel

304 stainless steel is an austenitic stainless steel alloy containing chromium and nickel, which provide excellent corrosion resistance and oxidation resistance. It is one of the most widely used stainless steel grades due to its good mechanical properties, formability, and weldability.

Typical chemical composition of 304 stainless steel:

Element	Content (%)
Chromium (Cr)	18 – 20
Nickel (Ni)	8 – 10.5
Carbon (C)	≤ 0.08
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 1.0

This composition gives 304 stainless steel strong resistance to moisture, atmospheric corrosion, and many chemical environments, making it suitable for both indoor and outdoor applications.

What Is No.4 Brushed Finish

No.4 finish is a standard brushed stainless steel surface produced by polishing the metal with fine abrasive belts. The process creates a uniform satin appearance with continuous linear grain patterns.

Characteristics of No.4 brushed stainless steel surface:

Fine linear grain texture
Low reflectivity and soft metallic appearance
Improved scratch and fingerprint resistance
Uniform decorative finish
Suitable for further fabrication such as bending or cutting

The surface roughness is typically produced using abrasive grits between #150 and #320, which generate the distinctive brushed texture.

Typical Specifications of 304 No.4 Brushed Stainless Steel Sheet

Parameter	Typical Range
Material Grade	304 Stainless Steel
Thickness	0.5 mm – 3.0 mm
Width	1000 mm – 1500 mm
Standard Sheet Sizes	1000 × 2000 mm
	1219 × 2438 mm (4 × 8 ft)
Surface Finish	No.4 Brushed
Surface Grain	#180 / #240 / #320