AL-6XN®
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AL-6XN® AL-6XN®
AL-6XN®
AL-6XN®
AL-6XN®
  • Description
Jiangsu Be Alloy Co.,Ltd produce special alloy products, including Bar,Rod,Sheet,Plate,Pipe,Tube Pipe Fittings,Rings,Forgings,Flange Coil and Strip,if any requirements not found, Please email us sales@bealloy.com. We will offer you best price and more details. Any customization are accepted.
  • UNS N08367 ASTM B 688, B 691, B 675 / 676 B 462, B 366, B 564, B 804 Forms of AL-6XN Available at Mega Mex Sheet
    Plate
    Bar
    Pipe & Tube (welded & seamless)
    Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
    AL6XN Overview
    AL6XN is a super austenitic stainless steel with outstanding resistance to chloride pitting, crevice corrosion and stress corrosion cracking. AL6XN is a 6 moly alloy that was developed for and is used in highly aggressive environments.  It has high nickel (24%), molybdenum (6.3%), nitrogen and chromium contents that give it excellent resistance to chloride stress corrosion cracking, chloride pitting, and exceptional general corrosion resistance. AL6XN is primarily used for its improved pitting and crevice corrosion resistance in chlorides. It is a formable and weldable stainless steel.
    Because of its nitrogen content, AL6XN has greater tensile strength than common austentitic stainlesses, while retaining high ductility and impact strength.
    Corrosion Resistance
    Chromium, molybdenum, nickel and nitrogen all contribute to overall resistance to corrosion by various media. Chromium is the principal agent for conferring corrosion resistance in neutral or oxidizing environments. Chromium, molybdenum and nitrogen increase resistance to pitting corrosion. Nickel imparts the austenitic structure. Nickel and molybdenum both provide increased resistance to chloride stress corrosion cracking in reducing environments.
    What are the characteristics of AL-6XN?
    Excellent resistance to pitting and crevice corrosion in chloride solutions
    Practical immunity to stress corrosion in NaCl environments
    High Strength and toughness

  • Chemical Composition, %

    Ni

    Cr

    Mo

    C

    N

    Mn

    23.5-25.5

    20.00-22.00

    6.00-7.00

    0.03 Max

    0.18-0.25

    2.0 Max

    Si

    P

    S

    Cu

    Fe


    1.00 Max

    .040 Max

    0.03 Max

    0.75 Max

    Remainder



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  • In what applications is AL-6XN used?
    Reverse osmosis desalination equipment and pumps
    FGD Scrubbers
    Chemical process tanks and pipelines
    Seawater heat exchangers
    Tall oil distillation columns and packing
    Offshore oil and gas production equipment
    Pulp bleaching plant washers, vats, press rolls and pipelines

  • ASTM Specifications

    Pipe Welded

    Tube Welded

    Sheet/Plate

    Bar

    Flanges & Fittings

    B675, A312

    B676, A249

    B688, A240

    B691, A479

    B462, A182


  • Mechanical Properties Representative Tensile and Impact Properties, Plate

    Temp. °F (°C)

    Ult. Tensile Strength, psi

    .2% Yield Strength, psi

    Elongation in 2”, percent

    Charpy V-Notch Toughness, ft-lb

    -450 (-268)

    218,000

    142,000

    36

    353*

    -320 (-196)

    196,000

    107,000

    49

    85

    -200 (-129)

    -

    -

    -

    100

    70 (21)

    108,000

    53,000

    47

    140

    200 (93)

    99,900

    49,400

    47

    -

    400 (204)

    903,000

    40,400

    46

    -

    600 (316)

    86,000

    36,300

    47

    -

    800 (427)

    87,000

    36,000

    48

    -

    *For welded pipe and tube, a joint efficiency factor of .85 must be applied.
    * AL-6XN® is a registered trademark of the Allegheny Ludlum Corporation




  • Alloy

    ASTM

    DIN

    Nitronic 50

    UNS S20910


    Nitronic 60

    UNS S21800


    Alloy 20

    UNS N08020

    2.4660

    Alloy 28

    UNS N08028

    1.4563

    Sanicro 28

    UNS N08028

    1.4563

    Alloy 31

    UNS N08031

    1.4562

    Alloy 59



    904L

    UNS N08904

    1.4539

    253 MA

    UNS S30815


    254 SMO

    UNS S31254

    1.4547

    AL-6XN


    1.4529

    F55(S32760)

    UNS S32760

    1.4501

    F53(2507)

    UNS S32750

    1.4410

    F51(2205)

    UNS S31803

    1.4462

    F60(2205)

    UNS S32550


    329(SUS329J4L)

    UNS S32900


    2304


    1.4362

    80NI-20CR



    660


    1.4980


    Temp. °F (°C)

    Ult. Tensile Strength, psi

    .2% Yield Strength, psi

    Elongation in 2”, percent

    Charpy V-Notch Toughness, ft-lb

    -450 (-268)

    218,000

    142,000

    36

    353*

    -320 (-196)

    196,000

    107,000

    49

    85

    -200 (-129)

    -

    -

    -

    100

    70 (21)

    108,000

    53,000

    47

    140

    200 (93)

    99,900

    49,400

    47

    -

    400 (204)

    903,000

    40,400

    46

    -

    600 (316)

    86,000

    36,300

    47

    -

    800 (427)

    87,000

    36,000

    48

    -

    *For welded pipe and tube, a joint efficiency factor of .85 must be applied.
    * AL-6XN® is a registered trademark of the Allegheny Ludlum Corporation


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