904L Stainless Steel Square Bar Overview

The 904L stainless steel square bar is a super austenitic stainless steel renowned for its exceptional corrosion resistance and superior mechanical properties. With an optimized composition of chromium, nickel, molybdenum, and ultra-low carbon content, this premium material is ideal for the most demanding chemical processing and industrial applications.

Key Features

• Exceptional Corrosion Resistance: Performs well in acidic and chloride-rich environments.

• High Alloy Content: Contains chromium, nickel, and molybdenum for enhanced performance.

• Ultra-Low Carbon Content: Reduces the risk of carbide precipitation and intergranular corrosion.

• Superior Machinability and Weldability: Easy to fabricate and process.

Chemical Composition (Weight %)

Mechanical Properties

Specifications and Dimensions

Standard Dimensions

Available Standards

Advanced Corrosion Resistance Properties

The 904L stainless steel square bar excels in challenging environments, offering:

• Acid Resistance: Superior performance in sulfuric, acetic, formic, and phosphoric acids.

• Chloride Resistance: Excellent resistance to pitting and stress corrosion cracking.

• Reducing Environments: Strong activation-passivation conversion ability for enhanced protection.

Processing Advantages

• Superior Machinability: Easy to machine and fabricate.

• Excellent Weldability: No carbide precipitation during welding.

• No Intergranular Corrosion: Ensures long-term durability.

• Optimal Pressure Vessel Performance: Ideal for high-pressure applications.

Applications

The 904L stainless steel square bar is widely used in industries requiring high corrosion resistance and durability. Common applications include:

• Chemical Processing Equipment

• Sulfuric Acid Handling Systems

• Pressure Vessels

• Marine Installations

• Phosphoric Acid Processing

• Industrial Acid Transport Systems

Conclusion

The 904L stainless steel square bar is a premium material designed for the most demanding environments. Its unique composition and exceptional corrosion resistance make it a preferred choice for industries such as chemical processing, marine engineering, and industrial manufacturing. Whether for pressure vessels, acid handling systems, or marine installations, 904L stainless steel delivers unmatched performance and reliability.

Additional Information

Heat Treatment Options

• Solution Annealing: Heated to 1100-1170°C followed by rapid cooling to enhance corrosion resistance.

Surface Finish Options

• Bright: Smooth and reflective finish.

• Polished: High-gloss finish for aesthetic applications.

• Black: Oxidized finish for added protection.

Let us help you find the perfect 904L stainless steel square bar solution for your project!

904L Stainless Steel Square Bar Overview

The 904L stainless steel square bar is a super austenitic stainless steel renowned for its exceptional corrosion resistance and superior mechanical properties. With an optimized composition of chromium, nickel, molybdenum, and ultra-low carbon content, this premium material is ideal for the most demanding chemical processing and industrial applications.

Key Features

Exceptional Corrosion Resistance: Performs well in acidic and chloride-rich environments.

High Alloy Content: Contains chromium, nickel, and molybdenum for enhanced performance.

Ultra-Low Carbon Content: Reduces the risk of carbide precipitation and intergranular corrosion.

Superior Machinability and Weldability: Easy to fabricate and process.

Chemical Composition (Weight %)

Element Cr Ni Mo Cu C Mn Si P S Fe

Percentage 19.0-23.0 23.0-28.0 4.0-5.0 1.0-2.0 ≤0.02 ≤2.00 ≤1.00 ≤0.045 ≤0.035 Balance

Mechanical Properties

Property Value

Tensile Strength 490 - 620 MPa

Yield Strength 220 MPa (min)

Elongation 35% (min)

Hardness (Rockwell) ≤95 HRB

Density 7.95 g/cm³

Specifications and Dimensions

Standard Dimensions

Size (mm) Length (mm) Tolerance (mm) Surface Finish

10 x 10 3000 - 6000 ±0.1 Bright / Polished

20 x 20 3000 - 6000 ±0.2 Bright / Polished

30 x 30 3000 - 6000 ±0.3 Bright / Polished

50 x 50 3000 - 6000 ±0.5 Bright / Polished

Available Standards

Standard Description

UNS N08904 Unified Numbering System designation for 904L stainless steel.

EN 1.4539 European standard equivalent to 904L.

00Cr20Ni25Mo4.5Cu Chinese standard for 904L stainless steel.

Advanced Corrosion Resistance Properties

The 904L stainless steel square bar excels in challenging environments, offering:

Acid Resistance: Superior performance in sulfuric, acetic, formic, and phosphoric acids.

Chloride Resistance: Excellent resistance to pitting and stress corrosion cracking.

Reducing Environments: Strong activation-passivation conversion ability for enhanced protection.

Processing Advantages

Superior Machinability: Easy to machine and fabricate.

Excellent Weldability: No carbide precipitation during welding.

No Intergranular Corrosion: Ensures long-term durability.

Optimal Pressure Vessel Performance: Ideal for high-pressure applications.

Applications

The 904L stainless steel square bar is widely used in industries requiring high corrosion resistance and durability. Common applications include:

Chemical Processing Equipment

Sulfuric Acid Handling Systems

Pressure Vessels

Marine Installations

Phosphoric Acid Processing

Industrial Acid Transport Systems

Conclusion

The 904L stainless steel square bar is a premium material designed for the most demanding environments. Its unique composition and exceptional corrosion resistance make it a preferred choice for industries such as chemical processing, marine engineering, and industrial manufacturing. Whether for pressure vessels, acid handling systems, or marine installations, 904L stainless steel delivers unmatched performance and reliability.

Additional Information

Heat Treatment Options

Solution Annealing: Heated to 1100-1170°C followed by rapid cooling to enhance corrosion resistance.

Surface Finish Options

Bright: Smooth and reflective finish.

Polished: High-gloss finish for aesthetic applications.

Black: Oxidized finish for added protection.

Let us help you find the perfect 904L stainless steel square bar solution for your project!

904L Stainless Steel Square Bar Overview

The 904L stainless steel square bar is a super austenitic stainless steel renowned for its exceptional corrosion resistance and superior mechanical properties. With an optimized composition of chromium, nickel, molybdenum, and ultra-low carbon content, this premium material is ideal for the most demanding chemical processing and industrial applications.

Key Features

Exceptional Corrosion Resistance: Performs well in acidic and chloride-rich environments.

High Alloy Content: Contains chromium, nickel, and molybdenum for enhanced performance.

Ultra-Low Carbon Content: Reduces the risk of carbide precipitation and intergranular corrosion.

Superior Machinability and Weldability: Easy to fabricate and process.

Chemical Composition (Weight %)

Element Cr Ni Mo Cu C Mn Si P S Fe

Percentage 19.0-23.0 23.0-28.0 4.0-5.0 1.0-2.0 ≤0.02 ≤2.00 ≤1.00 ≤0.045 ≤0.035 Balance

Mechanical Properties

Property Value

Tensile Strength 490 - 620 MPa

Yield Strength 220 MPa (min)

Elongation 35% (min)

Hardness (Rockwell) ≤95 HRB

Density 7.95 g/cm³

Specifications and Dimensions

Standard Dimensions

Size (mm) Length (mm) Tolerance (mm) Surface Finish

10 x 10 3000 - 6000 ±0.1 Bright / Polished

20 x 20 3000 - 6000 ±0.2 Bright / Polished

30 x 30 3000 - 6000 ±0.3 Bright / Polished

50 x 50 3000 - 6000 ±0.5 Bright / Polished

Available Standards

Standard Description

UNS N08904 Unified Numbering System designation for 904L stainless steel.

EN 1.4539 European standard equivalent to 904L.

00Cr20Ni25Mo4.5Cu Chinese standard for 904L stainless steel.

Advanced Corrosion Resistance Properties

The 904L stainless steel square bar excels in challenging environments, offering:

Acid Resistance: Superior performance in sulfuric, acetic, formic, and phosphoric acids.

Chloride Resistance: Excellent resistance to pitting and stress corrosion cracking.

Reducing Environments: Strong activation-passivation conversion ability for enhanced protection.

Processing Advantages

Superior Machinability: Easy to machine and fabricate.

Excellent Weldability: No carbide precipitation during welding.

No Intergranular Corrosion: Ensures long-term durability.

Optimal Pressure Vessel Performance: Ideal for high-pressure applications.

Applications

The 904L stainless steel square bar is widely used in industries requiring high corrosion resistance and durability. Common applications include:

Chemical Processing Equipment

Sulfuric Acid Handling Systems

Pressure Vessels

Marine Installations

Phosphoric Acid Processing

Industrial Acid Transport Systems

Conclusion

The 904L stainless steel square bar is a premium material designed for the most demanding environments. Its unique composition and exceptional corrosion resistance make it a preferred choice for industries such as chemical processing, marine engineering, and industrial manufacturing. Whether for pressure vessels, acid handling systems, or marine installations, 904L stainless steel delivers unmatched performance and reliability.

Additional Information

Heat Treatment Options

Solution Annealing: Heated to 1100-1170°C followed by rapid cooling to enhance corrosion resistance.

Surface Finish Options

Bright: Smooth and reflective finish.

Polished: High-gloss finish for aesthetic applications.

Black: Oxidized finish for added protection.

Let us help you find the perfect 904L stainless steel square bar solution for your project!