904L Stainless Steel Square Bar

Our 904L stainless steel square bar represents the pinnacle of super austenitic stainless steel, featuring an optimized composition of:

• 14.0-18.0% chromium
• 24.0-26.0% nickel
• 4.5% molybdenum
• Ultra-low carbon content (Max. 0.020%) This premium stainless steel square bar combines exceptional corrosion resistance with superior mechanical properties, making it ideal for the most demanding chemical processing applications.

Advanced Corrosion Resistance Properties

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

Acid Resistance

• Superior performance in sulfuric acid up to 70°C
• Excellent resistance to acetic and formic acids at any concentration
• Outstanding protection in phosphoric acid (0-85% concentration)
• Enhanced resistance in industrial phosphoric acid environments

Environmental Protection

Our 904L stainless steel square bar offers:

• Exceptional chloride pitting resistance
• Superior stress corrosion resistance
• Excellent crack corrosion resistance
• Strong activation-passivation conversion ability
• Enhanced protection in reducing environments

Processing Advantages

• Superior machinability
• Excellent weldability
• No carbide precipitation during heat treatment
• Eliminated risk of intergranular corrosion
• Optimal pressure vessel performance

Key Applications

The 904L stainless steel square bar is ideal for:

• Chemical processing equipment
• Sulfuric acid handling systems
• Pressure vessels
• Marine installations
• Phosphoric acid processing
• Industrial acid transport systems

Industry Standards

Meets international specifications:

• UNS: N08904
• EN: 1.4539
• 00Cr20Ni25Mo4.5Cu

Contact our technical team today for detailed specifications and custom solutions for your 904L stainless steel square bar requirements.