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Duplex S31803 Stainless Steel Cold Drawn Steel Bar With En 1.4462

Categories Stainless Steel Round Bar
Brand Name: BAO STEEL
Model Number: 1.4462
Certification: SGS,ISO
Place of Origin: China
MOQ: 1ton
Price: 4250 USD/Ton
Payment Terms: L/C, T/T
Supply Ability: 2000 ton per month
Delivery Time: 7 days
Packaging Details: export packing
Length:: 6m 5.8m 12m or as requirements
Standard: ASTM
Dimensions: 6-500MM
Application: Petroleum, chemical industry,
Shape: ROUND
Special Use: Valve Steels
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    Duplex S31803 Stainless Steel Cold Drawn Steel Bar With En 1.4462

    Duplex S31803 Stainless Steel Cold Drawn Steel Bar With En 1.4462


    2205 Duplex Overview


    Duplex 2205 is a nitrogen enhanced duplex stainless steel that was developed to combat

    common corrosion problems encountered with the 300 series stainless steels. “Duplex”

    describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor

    purely ferritic, like 430 stainless. The structure of 2205 duplex stainless steel consists of

    austenite pools surrounded by a continuous ferrite phase. In the annealed condition, 2205

    contains approximately 40-50% ferrite. Often referred to as the work horse grade, 2205 is

    the most widely used grade in the duplex family of stainless steels.

    The advantage of a duplex structure is that it combines the favorable qualities of a ferritic

    alloy (stress corrosion cracking resistance and high strength) with those of an austenitic alloy

    (ease of fabrication and corrosion resistance).

    Usage of 2205 Duplex stainless steel should be limited to temperatures below 600° F.

    Extended elevated temperature exposure can embrittle 2205 stainless.


    Corrosion Resistance

    2205 duplex stainless steel is a cost effective solution for many applications where the 300

    series stainless steels are susceptible to chloride stress corrosion cracking. Stress corrosion

    cracking occurs when stainless steels are subjected to tensile stress, while in contact with

    solutions containing chlorides. Increasing temperatures also increase the susceptibility of

    stainless steels to stress corrosion cracking.

    The combination of chromium, molybdenum and nitrogen convey the good resistance of 2205

    to chloride pitting and crevice corrosion. This resistance is extremely important for services

    such as marine environments, brackish water, bleaching operations, closed loop water systems

    and some food processing applications. The high chromium, molybdenum and nitrogen contents

    of 2205 provide corrosion resistance superior to common stainless steels, such as, 316L and 317L

    in most environments.

    Chemical Composition, %

    Cr

    Ni

    Mo

    C

    N

    22.0-23.0

    4.50-6.50

    3.00-3.50

    .030 Max

    0.14-0.20

    Mn

    Si

    P

    S

    Fe

    2.00 Max

    1.00 Max

    .030 Max

    .020 Max

    Balance

    In what applications is Duplex 2205 used?

    • Chemical process vessels, piping and heat exchangers
    • Pulp mill digesters, bleach washers, chip pre-steaming vessels
    • Food processing equipment
    • Oil field piping and heat exchangers
    • Flue gas desulfurization equipment

    ASTM Specifications

    Pipe Smls

    Pipe Welded

    Tube Smls

    Tube Welded

    Sheet/Plate

    Bar

    Flanges, Fittings & Valves

    A790

    A790

    A789

    A789

    A240

    A276

    A182

    Mechanical Properties
    Specified Tensile Properties ASTM A240


    Ultimate Tensile Strength, ksi Minimum

    .2% Yield Strength, ksi Minimum

    Hardness Max.

    95

    65

    31 Rockwell C


    1) Size and type:


    Hexagon Bolt: M6-M64 full thread or half thread
    Hexagon Nut: M3-M64
    Threaded Rod:4-2000mm
    Plain washers:M3-M64
    And heavy hex bolts and nuts with all sizes


    2) Treatment: cold forging

    1. Materials option: Stainless Steel C276, 904L, 304, 304L, 310S, 316, 316L, 321, 317L, 2507,
    2205, 254SMO, AL6XN, 1. 4501, 1. 4529.

    Super duplex stainless steel F55, F51, F53 HastelloyB & C, Inconel, Incoloy etc.

    2. Standards: GB, DIN, JIS, AISI/ASTM/ANSI/AMSE and BS EN, etc.

    3. Packing: Cartons then pallet, or wooden box, or by clients' requirements.

    4. Exported countries: United States, Germany, Saudi Arabia, South Korea, etc.

    5. factory price, accept small order and short delivery time1


    Quality Duplex S31803 Stainless Steel Cold Drawn Steel Bar With En 1.4462 for sale
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