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ASTM/ASME B677 B674 UNS N08904 904L 1.4539,STAINLESS STEEL SEAMLESS PIPE

Categories Stainless Steel Seamless Pipe
Brand Name: YUHONG
Model Number: ASTM/ASME B677 / B674 UNS N08904 / 904L /1.4539
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001
Place of Origin: CHINA
MOQ: 100KGS
Payment Terms: L/C, T/T
Delivery Time: 7DAYS
Packaging Details: Plywood Case /Iron Case/ Bundle with plastic Cap
STANDARD: ASTM/ASME B677 / B674
MATERIAL: UNS N08904 / 904L /1.4539
SURFACE: Polished, Pickled , Bright Annealed
TYPE: SEAMLESS,WELDED
Company Info.
Yuhong Group Co.,Ltd
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    ASTM/ASME B677 B674 UNS N08904 904L 1.4539,STAINLESS STEEL SEAMLESS PIPE

    ASTM/ASME B677 / B674 UNS N08904 / 904L /1.4539,STAINLESS STEEL SEAMLESS PIPE/TUBE


    904L pipe is a non-stabilised Low carbon high Alloy Austenitic Stainless Steel. The addition of Copper to this grade gives it greatly improved resistance to strong reducing acids, particularly Sulphuric Acid. It is also highly resistant to Chloride attack - both pitting / crevice corrosion and stress corrosion cracking. This grade is non-magnetic in all conditions and has excellent weldability and formability. The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures. 904L does have very substantial contents of the high cost ingredients nickel and molybdenum. Many of the applications in which this grade has previously performed well can now be fulfilled at lower cost by Duplex Stainless Steel 2205 (S31803 or S32205), so it is used less commonly than in the past.


    YUHONG GROUP 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, Korea, Singapore, Austrial, Poland, France , ....

    Description

    Material 1.4539 (alloy 904L) is an austenitic special steel with high molybdenum content as well as addition of copper and extremely low carbon content.
    Our product range in 1.4539 are tubes and pipes, fittings and flanges, accessories.


    Some of the quality tests carried out by us includes:

    Corrosion TestConducted only when specially requested by the client
    Chemical AnalysisTest done as per required quality standards
    Destructive / Mechanical TestingTensile | Hardness | Flattening | Flare | Flange
    Reverse-bend and Re. flat testsCarried 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 TestingDone to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
    Hydrostatic Testing100% 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 TestTo check any evidence of air leakage
    Visual InspectionAfter 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

    Material No.1.4539
    EN symbol (short)X1NiCrMoCu25-20-5
    AISI/SAE
    UNSN 08904
    AFNORZ 2 NCDU 25-20
    B.S.
    alloyalloy 904 L
    Registered work's label
    NormenVdTÜV 421 , SEW 400

    Chemical composition ¹

    C
    ≤ %
    Si
    ≤ %
    Mn
    ≤ %
    P
    ≤ %
    S
    ≤ %
    Cr
    %
    Mo
    %
    Ni
    %
    V
    0,020,702,00,0300,01019,0-21,04,0-5,024,0-26,0
    NbTiAlCoCu
    %
    N
    ≤ %
    Fe
    1,20-2,000,15
    ¹ in accordance with Key to Steel 2001

    Special characteristics

    Temperature range:Density kg/dm³Hardness (HB)
    pressure bomb/pressure vessel
    - 60°C bis 400°C
    7,9≤ 230
    excellent stability against pitting corrosion, stress corrosion and intergranular corrosion

    Welding filler

    1.4539, 1.4519

    Quality ASTM/ASME B677  B674 UNS N08904  904L 1.4539,STAINLESS STEEL SEAMLESS PIPE wholesale
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