Cold Rolled 300 Series Stainless Steel Coil with No.4 Finish in 304L 316L and Customized Thickness for Industrial Applications

Cold Rolled 300 Series Stainless Steel Coil 304L 316L No.4 Finish for Construction, Food, Medical and Industrial Applications

Cold Rolled 300 Series Stainless Steel Coil is a high-performance stainless steel product manufactured through precision cold rolling technology. It offers excellent corrosion resistance, high strength, good formability, and an attractive surface finish, making it suitable for a wide range of industrial and commercial applications.

Our stainless steel coils are available in popular grades including 304, 304L, 316, 316L, 321, 310S, 430, 904L, 2205 Duplex, and 2507 Super Duplex. The products can be supplied with various surface finishes such as 2B, BA, No.4, HL, Mirror, 8K, and embossed finishes according to customer requirements.

With advanced processing services including cutting, bending, welding, punching, and decoiling, the stainless steel coil can be customized for different fabrication needs. The products comply with international standards including ASTM, AISI, JIS, DIN, EN, and GB and are widely used in construction, food processing, medical equipment, chemical industries, transportation, and machinery manufacturing.

In many industries, ordinary carbon steel materials face problems such as rust, corrosion, surface damage, and short service life when exposed to moisture, chemicals, or high-temperature environments.

Stainless steel coils are developed to solve these challenges by providing:

• Excellent resistance against oxidation and corrosion
• Higher durability compared with conventional steel
• Better surface appearance for decorative applications
• Strong mechanical performance under demanding conditions
• Easy processing for cutting, forming, and welding operations

The addition of chromium and other alloy elements creates a protective passive oxide layer on the steel surface, improving corrosion resistance and extending service life.

Cold Rolled 300 Series Stainless Steel Coil provides a reliable material solution for industries requiring strength, hygiene, corrosion resistance, and precision processing.

Key advantages include:

• 304/304L Stainless Steel: Excellent general corrosion resistance and easy fabrication
• 316/316L Stainless Steel: Enhanced corrosion resistance for marine, chemical, and medical environments
• 321 Stainless Steel: Improved high-temperature performance
• 310S Stainless Steel: Suitable for high-temperature applications
• 904L Stainless Steel: Superior corrosion resistance for aggressive environments
• 2205/2507 Duplex Stainless Steel: High strength combined with excellent corrosion resistance

The coil can be customized in thickness, width, surface finish, and processing method to meet different project requirements.

Cold Rolled Stainless Steel Coil is widely used in industries requiring excellent corrosion resistance, strength, and surface quality.

Cold Rolled Stainless Steel Coil is produced through a controlled manufacturing process:

High-quality stainless steel slabs or hot rolled coils are selected according to required chemical composition and grade.

The steel coil passes through rolling mills at room temperature to reduce thickness and improve dimensional accuracy.

Heat treatment restores ductility and improves mechanical properties after cold deformation.

The coil surface is processed through methods such as pickling, polishing, brushing, or No.4 finishing to achieve the required appearance and performance.

Each coil is inspected for chemical composition, mechanical properties, thickness accuracy, and surface quality before export packing.

When selecting the right stainless steel coil, consider the following factors:

• General environments: Choose 304/304L
• Marine or chemical environments: Choose 316/316L
• High-temperature conditions: Choose 310S or 321
• Extreme corrosion environments: Choose 904L, 2507

• 2B Finish: General industrial applications
• BA Finish: High brightness applications
• No.4 Finish: Decorative and commercial applications
• Mirror Finish: Premium appearance applications

Select suitable dimensions according to fabrication methods, load requirements, and production equipment.

Choose additional services such as:

• Laser cutting
• Slitting
• Bending
• Welding
• Decoiling

to reduce production time and improve efficiency.

304 stainless steel provides excellent corrosion resistance for general applications, while 316 stainless steel contains molybdenum, offering better resistance against chloride corrosion and harsh chemical environments.

No.4 finish is a brushed stainless steel surface created by grinding and polishing. It provides a uniform satin appearance and is commonly used for architectural, kitchen, and decorative applications.

Yes. Stainless steel coils can be customized according to customer requirements, including thickness, width, length, surface finish, and processing methods.

Our stainless steel coils comply with major international standards including ASTM, AISI, JIS, DIN, EN, and GB standards.

Yes. We provide complete processing services including cutting, bending, welding, punching, slitting, and decoiling to meet different fabrication requirements.