language

Home

Products

Al6xn Plate

AL6XN stainless steel plate is a high-performance super austenitic stainless steel designed for the most demanding corrosion environments.

Keywords:

Al6xn Plate

Category:

Industrial Stainless Steel Sheet

Hot Rolled Stainless steel sheet

Cold Rolled Stainless Steel sheet

Inquiry Now

Send E-mail

File Download

sales1@tedaganghua.com

+86 22 86896631、+86 15822676888

Product Details

AL6XN Stainless Steel Plate: Super Austenitic Grade for Extreme Corrosion Challenges

AL6XN stainless steel plate is a high-performance super austenitic stainless steel designed for the most demanding corrosion environments. With high levels of chromium, nickel, molybdenum, and nitrogen, AL6XN provides exceptional resistance to chloride pitting, crevice corrosion, and stress corrosion cracking, making it an advanced alternative to traditional 316L stainless steel.

For industries exposed to seawater, aggressive chemicals, acids, and high-chloride environments, AL6XN plate delivers a combination of corrosion resistance, mechanical strength, and long service life that conventional stainless steel grades cannot achieve.

What Is AL6XN Stainless Steel Plate?

AL6XN is a super austenitic stainless steel alloy developed for extreme corrosion applications. It belongs to the high-alloy stainless steel family and contains approximately 20% chromium, 24% nickel, and 6% molybdenum.

The addition of molybdenum and nitrogen significantly improves resistance to chloride attack, making AL6XN an ideal choice for marine, chemical processing, and industrial applications where 316L stainless steel may experience premature failure.

Property	AL6XN Stainless Steel Plate
Material Type	Super Austenitic Stainless Steel
Main Alloy Elements	Chromium, Nickel, Molybdenum, Nitrogen
Corrosion Resistance	Extreme
Strength Level	High
Magnetic Property	Non-Magnetic
Typical Applications	Marine, Chemical, Pharmaceutical, Energy Industries

Chemical Composition of AL6XN Plate

The superior corrosion performance of AL6XN stainless steel comes from its carefully balanced alloy composition.

Element	Typical Content
Chromium (Cr)	Approx. 20%
Nickel (Ni)	Approx. 24%
Molybdenum (Mo)	Approx. 6%
Nitrogen (N)	Approx. 0.2%
Carbon (C)	Low Carbon Content

Why AL6XN Provides Superior Corrosion Resistance

The performance advantage of AL6XN comes from the combined effect of chromium, molybdenum, nickel, and nitrogen.

Chromium: Creates a stable passive oxide layer for general corrosion protection.
Molybdenum: Improves resistance against chloride pitting and crevice corrosion.
Nickel: Stabilizes the austenitic structure and improves toughness.
Nitrogen: Enhances strength and increases pitting resistance.

AL6XN vs 316L Stainless Steel Corrosion Comparison

AL6XN is often selected when 316L stainless steel cannot provide sufficient corrosion protection.

Feature	316L Stainless Steel	AL6XN Stainless Steel
Chromium Content	Approx. 16%-18%	Approx. 20%
Molybdenum Content	Approx. 2%-3%	Approx. 6%
Nickel Content	Approx. 10%-14%	Approx. 24%
Chloride Resistance	Good	Excellent
Marine Environment	Suitable for moderate exposure	Designed for severe exposure

PREN Value: AL6XN Pitting Resistance Advantage

The Pitting Resistance Equivalent Number (PREN) is commonly used to compare stainless steel resistance against chloride-induced pitting corrosion.

PREN = %Cr + 3.3 × %Mo + 16 × %N

Grade	Approximate PREN Value
304 Stainless Steel	Approx. 18-20
316L Stainless Steel	Approx. 24-26
Duplex 2205	Approx. 34-36
AL6XN	Approx. 40+

Mechanical Properties of AL6XN Stainless Steel Plate

Besides corrosion resistance, AL6XN provides strong mechanical performance for demanding industrial applications.

Property	Typical Value
Tensile Strength	Approx. 690 MPa
Yield Strength	Approx. 310 MPa
Elongation	Approx. 35%
Hardness	Approx. 90 HRB
Density	Approx. 8.0 g/cm³

Applications of AL6XN Stainless Steel Plate

AL6XN is widely used in industries where equipment must withstand aggressive corrosion conditions.

Seawater desalination systems.
Offshore oil and gas platforms.
Chemical processing equipment.
Flue gas desulfurization systems.
Pharmaceutical processing equipment.
Food and beverage processing systems.
Heat exchangers.
Pressure vessels.
Marine piping systems.

AL6XN Plate Fabrication Characteristics

Although AL6XN contains higher alloy content than conventional stainless steels, it can still be processed using standard stainless steel fabrication methods with proper control.

Excellent welding performance.
Suitable for pressure equipment fabrication.
Good toughness at low temperatures.
Requires proper tooling during machining.
Compatible with customized cutting and forming.

AL6XN Stainless Steel Plate Sizes and Finishes

Item	Options
Thickness	Custom thickness according to project requirements
Dimensions	Standard and customized sizes
Surface Finish	Industrial and customized finishes
Processing	Laser cutting, waterjet cutting, machining

Why Choose Teda Ganghua AL6XN Stainless Steel Plate Solutions?

Teda Ganghua provides high-performance stainless steel plate solutions for global customers requiring advanced corrosion resistance materials, including AL6XN super austenitic stainless steel plates for marine, chemical, energy, and industrial applications.

With professional stainless steel sourcing experience, strict quality control, customized processing capability, and export service, Teda Ganghua helps customers select the right material for extreme corrosion environments where standard stainless steel grades may not meet performance requirements.

From material selection to customized cutting and delivery support, Teda Ganghua provides reliable stainless steel solutions for demanding engineering projects.

Explore our complete stainless steel product catalog to find AL6XN stainless steel plates, stainless steel sheets, coils, and customized stainless steel solutions.

Frequently Asked Questions

Is AL6XN better than 316L stainless steel?

Yes. AL6XN provides significantly higher chloride corrosion resistance due to its higher molybdenum, nickel, and nitrogen content.

Where is AL6XN stainless steel plate used?

AL6XN is commonly used in seawater systems, chemical processing equipment, offshore projects, and other extreme corrosion environments.

Is AL6XN stainless steel expensive?

AL6XN has a higher initial cost than standard stainless steel grades, but its extended service life can reduce maintenance and replacement costs.

Can Teda Ganghua supply customized AL6XN plates?

Yes. Teda Ganghua provides customized stainless steel plate sizes, processing services, and technical support according to customer project requirements.