AL6XN Pipe
1. Standard: ASTM A312 / ASME SA312、ASTM A213/ASME SA213、ASTM B676/ASME SB676
2. Size: 1/2”- 48”
3. Thickness: 0.5mm-30mm
4. End: Beveled End, Plain End
An AL6XN pipe (classified under the Unified Numbering System as UNS N08367) is fabricated from a low-carbon, high-purity, nitrogen-bearing superaustenitic iron-base alloy. Originally engineered by Allegheny Ludlum to survive aggressive marine environments, the "6XN" designation highlights its core defense mechanism: a nominal 6% molybdenum content fortified with nitrogen. HT PIPE is a ssal6xn pipe supplier with 15+ export experience. Contact us for more information and quotes for free!
Product Forms
Bar & Rod
Plate & Sheet
Coil & Strip
Pipe & Tube
Fitting: Flange, Tee, Elbow, Reducer etc.
Forging: Ring, Shaft, Circle, Block etc.
ASTM A312 AL6XN Stainless Steel Pipe Specifications
| Specifications |
ASTM A312 / ASME SA312 |
| Dimensional specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Seamless / Welded Pipe Size | 1 / 8″ NB – 24″ NB |
| EFW Pipe Size | 6″ NB – 48″ NB |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB |
| Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
| Manufacturing Techniques | Seamless / Welded / ERW / Fabricated / CDW / 100% X-Ray Welded |
| Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Pipes End Types | Plain End, Beveled End, Treaded One End, TBE (Threaded Both Ends) |
| Equivalent Materials | 00Cr20Ni24Mo6N, AL6XN, AL6XN plus(ATI) |
1. Eradication of Crevice and Pitting Corrosion
In high-chloride environments, stagnant fluids can deplete oxygen locally, breaking down the passive layer of ordinary stainless steel. This initiates microscopic pits or crevice attacks under gaskets and joints. AL6XN's high molybdenum and nitrogen levels prevent this breakdown, maintaining surface integrity.
2. Elimination of Product Accretion and Microbial Growth
In sanitary processing, micro-pitting creates ideal harbors for bacteria and bio-films, leading to batch contamination. Because AL6XN pipes resist micro-fissures, surfaces remain perfectly smooth. This reduces the risk of microbiological contamination and maximizes the efficiency of Clean-in-Place (CIP) cycles.
3. Mitigation of Stress Corrosion Cracking (SCC)
Austenitic stainless steels like 304 and 316 are notoriously prone to sudden, brittle failure via SCC when subjected to tensile stress in hot, chloride-bearing fluids. Thanks to its elevated nickel content exceeding 23%, AL6XN exhibits practical immunity to SCC in NaCl environments.
Key Technical Specifications and Dimensions
AL6XN piping systems must satisfy rigorous quality control standards to ensure safety in high-pressure, high-purity systems.
Manufacturing Specifications
Depending on the final delivery form, AL6XN piping must comply with distinct ASTM and ASME designations:
Welded Pipe: ASTM B675, ASME SB675, ASTM A312
Welded Tubing: ASTM B676, ASME SB676, ASTM A270 (Sanitary/Hygienic)
Fittings & Flanges: ASTM B462, ASTM B366, ASTM A182
FAQ
Q: About al6xn pipe prices?
A: Prices from ranges $5 - $15 per kilogram, vary depending on size, wall thickness, supplier etc.
Q: How long does your delivery time take?
A: Delivery time is within 5-21 days
Q: Is There Sample Service?
A: Samples Are Provided Free Of Charge
Q: What Is The Minimum Order Quantity?
A: No Minimum Order Quantity
Q: How to pack the products?
A: The inner layer has a waterproof paper outer layer and is fixed with a fumigation wooden pallet.
Q: Exported Countries
A: Brazil, South Africa, Indonesia, India, Singapore, Malaysia, Iran, Russia, UAE, Chile, Laos, etc
Q: Can we visit your factory?
A: Of course, you are always welcome!
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