Description
Product Specifications and Technical Data
A mid-ranged corrosion resistant 6Mo alloy with good strength
- ✓Good corrosion resistance to moderate acids & sea-water
- ✓50% stronger than stainless steel
- ✓Usable temperature limit of 1000°F
- ✓AL6XN chemistry & specifications
- ✓Slip on flange features and benefits
- ✓AL6XN Datasheet
Originally developed to combat sea water corrosion, AL6XN has expanded its role as being good mid-range corrosion resistant alloy. AL6XN slip on flanges are a low carbon, high purity, nitrogen-bearing “super-austenitic” stainless alloy. Also considered a 6Moly alloy, AL6XN flanges are similar in chemistry to SMO 254 and Alloy 926.With a higher nickel and molybdenum content than Duplex 2205 and Super Duplex 2507, it delivers better corrosion resistance while giving a more cost effective alternative to nickel super alloys like Inconel or Hastelloy in moderately corrosive conditions.
Corrosion Resistance• Moderate general corrosion resistance• Excellent chloride / salt water protection• Good performance in phosphoric acid• Moderate resistance to nitric acid
Chemical ResistanceIn chemical processes which utilize chlorides, such as paper mills and waste water, stress corrosion cracking (SCC) is a common culprit for 316L stainless failures. Duplex alloys will outlast environments that will cause SCC in 316 stainless, but for more severe low PH environments, slip on flanges made from higher nickel content alloys like AL6XN will generally work better. For the most extreme situations, alloys with >45% nickel content like Hastelloy are often considered.
Outstanding Resistance to Salt WaterSeawater is where AL6XN slip on flanges outperform so many alloys providing protection to stress corrosion cracking, pitting and crevice corrosion in a broad range of marine applications. AL6XN slip on flanges contain a minimum of 6% molybdenum content and it is this addition of molybdenum that provides the greatest protection against pitting and crevice corrosion.
Mechanical PropertiesElectrical Resistivity: 535 Ohm-circ mil/ftUltimate Tensile Strength: 108 ksi0.2% Yield Strength: 53 ksiDensity: 0.291 lb/in 3
Chemistry• High molybdenum content provides enhanced corrosion protection in chloride environments.• Carbon helps to prevent sensitization during welding• Chromium enhances pitting and crevice corrosion resistance• The interstitial strengthening effect of nitrogen gives AL6XN slip on flanges good high strength properties
AL6XN Applications• Desalination plants depend on AL6XN slip on flanges for the salt water corrosion protection• Pulp bleaching equipment and piping • The power industry uses AL6XN slip on flanges where salt water and chlorides are present such as steam surface condensers, supercritical, high pressure, feed water heaters, steam surface condensers, flue-gas desulfurization equipment and in nuclear power water piping • Offshore • Chemical Processing – processing tanks, vessels and pipes as well as plate and frame heat exchangers.
Flange Types Available: Blind Flanges, Lap Joint Flanges, Slip On Flanges, Socket Weld Flanges, Threaded Flanges, Weld Neck Flanges
Flange Dimensions Reference
Engineered Performance of Al6xn Slip on Flanges All Sizes Available
SASA FLANGE supplies slip on flange al6xn products made from AL6XN, a low carbon, high purity, nitrogen-bearing super-austenitic stainless alloy developed for seawater corrosion resistance.
This mid-range 6Mo alloy offers good strength, moderate resistance to acids, excellent chloride and salt water protection, and a usable temperature limit of 1000°F.
With corrosion performance better than Duplex 2205 and Super Duplex 2507 in many moderate conditions, it provides a cost-effective alternative to higher nickel alloys.
Verified Data Behind Al6xn Slip on Flanges All Sizes Available
The slip on flange al6xn material is specified as UNS N08367 and conforms to ASTM A 240, ASTM B 688, ASME SA-240, ASME SB-688, ASTM B690, ASTM B691, ASTM A240, and ASTM B688.
Mechanical properties listed by the source include 108 ksi ultimate tensile strength, 53 ksi 0.2% yield strength, 535 Ohm-circ mil/ft electrical resistivity, and density of 0.291 lb/in3.
The alloy contains a minimum of 6% molybdenum and is described as low carbon and nitrogen strengthened.
Where Al6xn Slip on Flanges All Sizes Available Deliver Results
SASA FLANGE recommends slip on flange al6xn solutions for demanding chloride-bearing services.
In desalination plants, they protect piping against salt water attack.
In pulp bleaching equipment and paper mill systems, they help resist stress corrosion cracking common to 316L failures.
Power industry applications include steam surface condensers, feed water heaters, flue-gas desulfurization equipment, and nuclear water piping where chlorides are present.
They are also used offshore and in chemical processing tanks, vessels, pipes, and plate heat exchangers.
Source Al6xn Slip on Flanges All Sizes Available from SASA FLANGE Fast
Choosing SASA FLANGE means access to slip on flange al6xn products that simplify installation because the pipe slides through the hub and the flange can spin for easier bolt alignment.
Buyers also benefit from stock available and shipment within 3-7 days.
We support every order with ISO 9001:2015 quality assurance, MTC per EN 10204 3.1, hydrostatic testing, and dimensional inspection.
Contact sales@sasaflange.com or WhatsApp +86 13764965049 for prompt quotation and supply support.
Why Choose SASA FLANGE?
Multiple Pressure ClassesPressure class data is not specified in the source, while slip on flanges are noted for high temperature and pressure applications. |
Precise Dimensional TolerancesSlip on design reduces the need to cut pipe length accurately and allows easier bolt alignment during installation. |
Corrosion ResistantMinimum 6% molybdenum content improves resistance to pitting, crevice corrosion and chloride salt water attack. |
ISO 9001 CertifiedISO 9001 certification is not stated in the source, while ASTM and ASME material specifications are clearly referenced. |
Competitive PricingTypically lower in price than weld-neck flange, offering a cost effective alternative in moderately corrosive conditions. |
Global ShippingSuitable for offshore, desalination, pulp, power and chemical processing industries requiring dependable industrial supply support. |
slip on flange al6xn Application Scenario
The slip on flange al6xn is widely deployed across critical industrial sectors where reliable pipe sealing and pressure containment are essential. Typical application scenarios include:
From high-pressure refinery piping to municipal water distribution networks, the slip on flange al6xn ensures leak-free connections and long-term service reliability in demanding environments.
slip on flange al6xn installed in industrial piping system
Frequently Asked Questions
Q: What is a slip on flange al6xn used for?
A: This slip-on flange is used to join pipe to valves, pumps, and vessels in highly corrosive chloride service. AL6XN, a super-austenitic UNS N08367 alloy with minimum 6% molybdenum and nitrogen addition, provides strong resistance to pitting, crevice corrosion, and stress corrosion cracking. It is commonly selected for seawater, brine, offshore, desalination, chemical processing, and pulp and paper systems, with usable temperatures up to 1000°F.
Q: What materials are available for slip on flange al6xn?
A: The available material is AL6XN super-austenitic stainless steel, designated UNS N08367. This alloy is low carbon, high purity, nitrogen-bearing, and contains a minimum 6% molybdenum for enhanced chloride corrosion resistance. It is supplied to recognized material specifications including ASTM A240, ASTM B688, ASME SA-240, ASME SB-688, ASTM B690, and ASTM B691. SASA FLANGE can provide all sizes with EN 10204 3.1 MTC documentation.
Q: What pressure ratings does a slip on flange al6xn support?
A: Pressure rating is not specified in the provided product data, so selection should be based on the required flange standard, dimensions, service temperature, and mating pipe schedule. For AL6XN slip-on flanges, pressure class typically depends on the governing ASME/ASTM design basis rather than alloy name alone. Share size, wall thickness, and operating conditions with SASA FLANGE to confirm the correct class and mechanical suitability up to 1000°F.
Q: What standards does a slip on flange al6xn comply with?
A: This flange material complies with UNS N08367 and is produced against listed standards including ASTM A240, ASTM B688, ASME SA-240, ASME SB-688, ASTM B690, ASTM B691, and ASTM A 240. These specifications cover AL6XN plate and related alloy product requirements for super-austenitic stainless steel. SASA FLANGE also supplies material test certificates to EN 10204 3.1, supporting traceability and quality verification under ISO 9001:2015.
Q: What is the lead time for custom slip on flange al6xn orders?
A: Custom orders are typically delivered in 15-30 days, depending on size, quantity, and any special machining or inspection requirements. Stock items usually ship in 3-7 days. For AL6XN UNS N08367 slip-on flanges, lead time can also vary with raw material availability and documentation needs such as EN 10204 3.1 MTC. For exact scheduling, contact SASA FLANGE at sales@sasaflange.com or WhatsApp +86 13764965049.
Packaging and Shipping
📦 Packing is quite important especially in the case of international shipments in which consignments pass through various channels to reach the ultimate destination, so we put special concern regarding packaging to ensure every piece arrives in perfect condition.
SASA FLANGE packs goods in numerous ways based on the product type and customer requirements. Our standard packaging options include:
- Plywood cases / crates – for heavy flanges and large-diameter products
- Pallets with shrink wrap – for bulk orders and standard sizes
- Individual poly bags + carton boxes – for small flanges and fittings
- Anti-rust oil coating + waterproof paper – for long-distance ocean freight
- Custom marking and labeling – per customer specifications or project requirements
All packaging meets international export standards. Special packing instructions are welcome upon request.
