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Home ProductsDuplex Stainless Steel Pipe

ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed

ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed

    • ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed
    • ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed
    • ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed
    • ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed
    • ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed
    • ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed
  • ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed

    Product Details:

    Place of Origin: China
    Brand Name: RT Welding Metal
    Certification: ABS, GL, BV, PED, AD2000, GOST, TS, CCS, CNNC, ISO
    Model Number: STM A789, ASTM A790, UNS32750, UNS32760

    Payment & Shipping Terms:

    Minimum Order Quantity: Negotiation
    Price: Negotiation
    Packaging Details: product specifications
    Delivery Time: 5-7 working days
    Payment Terms: T/T
    Supply Ability: 500 TONS PER MONTH
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    Detailed Product Description
    Material Grade: S31803 , 2205, S32750, S32760, S31500, S32900, S32304 Standard: ASTM A789, ASTM 790, ASTM 928
    NDT: ET/UT/HT Application: Petrochemical, Oil & Gas, Boiler/ Heat Exchanger/Sea Water Transfer
    Type: Seamless And Welded Package: Standard Seaworthy Package
    High Light:

    heavy wall seamless pipe

    ,

    galvanized carbon steel pipe

    Duplex Stainless Steel Pipe,ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed

     

    we deal with  Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless  and welded  pipe and tube already more than 25 years, every year sell more than 80000 tons of steel  pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Russia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004. 

     

    Detailed Product Description

     
    Super  Duplex Stainless Steel Pipe ASTM A790 S31803 (2205 / 1.4462), UNS S32750(1.4410)

     

     

    Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530

    Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),

    UNS32760(1.4501)

     

     

    Chemical Composition

     

     

    Grade

    C

    max

    Si

    max

    Mn

    max

    P

    max

    S

    max

    Cr

    Ni

    Mo

    N

    UNS S32750

    0.030

    0.8

    1.2

    0.030

    0.015

    24.0-26.0

    6.0-8.0

    3.0-5.0

    0.24-0.32

    UNS S31803

    0.030

    1.0

    2.0

    0.020

    0.020

    21.0-23.0

    4.5-6.5

    2.5-3.5

    0.08-0.20

    UNS S31500

    0.030

    1.0

    1.2-2.0

    0.030

    0.030

    18.0-19.0

    4.5-5.5

    2.5-3.5

    0.05-0.10

     

     

    Physical Properties

     

     

    Grade

    Y.S.MPa min

    T.S.Mpa min

    Elongation %

    Hardness HRC

    UNS S32750

    550

    800

    15

    20

    UNS S31803

    450

    620

    25

    20

    UNS S31500

    440

    630

    30

    20

     

     

    Duplex Stainless Steel Pipe Application:

     

    Chemical processing, Transport and Storage.

    Oil and gas exploration and offshore rigs.

    Oil and gas refining.

    Marine environments.

    Pollution control equipment.

    Pulp and paper manufacturing

    Chemical process Plant

     

    Some of the quality tests carried out by us includes:

    Corrosion Test Conducted only when specially requested by the client
    Chemical Analysis Test done as per required quality standards
    Destructive / Mechanical Testing Tensile | Hardness | Flattening | Flare | Flange
    Reverse-bend and Re. flat tests Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
    Eddy Current Testing Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
    Hydrostatic Testing 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
    Air Under Pressure Test To check any evidence of air leakage.
    Visual Inspection After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections


    Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

    • Eddy Current Testing
    • O.P Testing
    • Radiography Testing
    • Corrosion Testing
    • Micro Testing
    • Macro Testing
    • IGC Testing
    • Ultrasonic testing
    • Liquid Penetrate testing

     

     

    ASTM A789 / ASTM A790 Duplex Stainless Steel Pipe Pickled / Annealed

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