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Seamless and Welded Duplex Stainless Steel Pipe ASTM / ASME A789 / SA789, A790 / SA790

Categories Duplex Stainless Steel Pipe
Brand Name: TOBO/TPCO/TISCO/VALIN/METAL
Model Number: ASTM / ASME A789 / SA789, A790 / SA790, A928, A450, A530, A999, E263, E309, E426
Certification: ISO/PED/TUV/SGS/LR/BV
Place of Origin: China/Japan/Germany
MOQ: 100KGS
Price: negotiable
Payment Terms: T/T, L/C, Western Union, MoneyGram
Supply Ability: 1500 tons per month
Delivery Time: 10days->
Packaging Details: in plastic bags then in bundles
Standard: ASTM / ASME A789 / SA789, A790 / SA790, A928, A450, A530
Color: White Silver Gold
Types: Duplex Stainless Steel Pipe / Tube
Outer Diameter: 6mm-710mm
Company Info.
TOBO STEEL GROUP CHINA
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    Seamless and Welded Duplex Stainless Steel Pipe ASTM / ASME A789 / SA789, A790 / SA790

    Duplex Stainless Steel Pipes, Seamless and Welded, ASTM / ASME A789 / SA789, A790 / SA790, A928, A450, A530, A999, E263, E309, E426


    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


    Quality Seamless and Welded Duplex Stainless Steel Pipe ASTM / ASME A789 / SA789, A790 / SA790 for sale
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