Alloy28 N8028 1.4563
Alloy28 N8028 1.4563
Alloy28 N8028 1.4563
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  • PRODUCTS DESCRIPTION
  • ASTM A 265, B 366, B 463 B 464, B 471, B 472, B 473
    B 474, B 475
    UNS N08020
    NACE MR0175

  • In what forms is Alloy 20 Available at Mega Mex?
    Sheet
    Plate
    Bar
    Pipe & Tube (welded & seamless)
    Fittings
    Flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples
    Welding Wire (AWS Classifications: ER320LR and E320LR-16)

  • What are the characteristics of Alloy 28?
    Excellent general corrosion resistance to sulfuric acid
    Excellent resistance to chloride stress corrosion cracking
    Excellent mechanical properties and fabricability
    Minimal carbide precipitation during welding
    Excels in resisting corrosion to hot sulfuric acids

Chemical Composition, %

Ni

Fe

Cr

Cu

Mo

Nb

30.00-32.00

Balance

26.0-28.0

0.6-1.4

3.0-4.0

8xC-1.0max


C

Mn

P

S

Si

0.03max

2.5max

.045max

.035max

1.0max


  • In what applications is Alloy 28 used?
    Synthetic rubber manufacturing equipment
    Processing of pharmaceuticals, plastics and organic and heavy chemicals
    Tanks, piping, heat exchangers, pumps, valves, and other process equipment
    Acid cleaning and pickling equipment
    Chemical process piping, reactor vessels
    Bubble caps
    Petrochemical process equipment
    Food and dye production

  • ASTM Specifications

    Pipe Smls

    Pipe Welded

    Tube Smls

    Tube Welded

    Sheet/Plate

    Bar

    Forging

    Fitting

    B729

    B464

    B729

    B468

    B463

    B473

    B462

    B366


  • Mechanical Properties

    Form

    Tensile Min.

    Yield Min. (.2% offset)

    Elongation Min.

    Reduction of Area Min.

    Bar (hot or cold finished)

    80 ksi

    35 ksi

    30%

    50%

    Sheet/Plate

    80 ksi

    35 ksi

    30%

    -


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