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  • DIN 17458 Austenitic Seamless Stainless pipe
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  • DIN 17458 austenitic seamless stainless steel pipe
     
    Standard: DIN 17458
     
     
    DIN 17458 austenitic seamless stainless steel pipe is mainly used in pressure vessel chemical plant and pipeline transportation.
     
     
    DIN 17458 Austenitic Seamless Stainless Steel Pipe can be supplied by Category 1 and category 2.
    The difference between steel pipes in test category 2 and steel pipes in test category 1:
    There are more detailed inspection procedures for steel pipes in Test Category 2.

     
     


    Main steel grades:
    X5CrNi18 10, X2CrNi19 11, X2CrNiN18 10, X6CrNiTi18 10, X6CrNiNb 18 10, X5CrNiMo 17 12 2, X2CrNiMo 17 13 2, X6CrNiMoTi 17 12 2, X6CrNiMoNb 17 12 2, X2CrNiMoN 17 13 3, X2CrNiMo 18 14 3, X5CrNiMo 17 13 3, X2CrNiMoN 17 15.5
     
     
     
    DIN 17458 Austenitic Seamless Stainless Steel Pipe Quick Details
    Company Name: Beite steel pipe
    Country/Region: China
    FOB Price: US $1600-2300/Ton | 1 Ton/Tons (Min. Order)
    Port of Shipment: Tianjin, China
    Payment: L/C or T/T
    Delivery: 7-15 days after payment
    Package: Standard export package, suit for all types of transport, or as required
    Certificate: ISO 9001-2000, PED 97/23/EC, ASME, DNV
     

    DIN 17458 Austenitic Seamless Stainless Steel Pipe Dimensional Range & Specification
    Outside Diameter: 4.0mm - 200.0mm
    Wall thickness: 3.5mm - 12.5mm
    Length: 6000mm, 12000m or specified length as required.
     
     
    Manufacture:
    Steel pipes shall be produced by hot-working, cold-rolling, hot-pressing and cold-drawing or by combination of these procedures.
     
     
    Delivery status & heat treatment
    DIN 17458 austenitic seamless stainless steel pipe. Accurate heat treatment requires that the pipe be quenched in water after hot working and solution annealing.
     
     
     
    Chemical composition of DIN 17458 Austenitic Seamless Stainless Steel Pipe
     
     

    Steel Grade  Chemical composition,%    
    Grade Material C,≤ Cr Mo Ni Other
    X5 CrNi 18 10
    X2 CrNi 19 11
    X2 CrNiN 18 10
    X6 CrNiTi 18 10
    X6 CrNiNb 18 10
    1.4301
    1.4306
    1.4311
    1.4541
    1.4550
    0.07
    0.030
    0.030
    0.08
    0.08
    17.0 19.0
    18.0 20.0
    17.0 19.0
    17.0 19.0
    17.0 19.0
    -
    -
    -
    -
    -
    8.5 10.5
    10.0 12.5
    8.5 11.5
    9.0 12.0
    9.0 12.0
    -
     
    -
     
    N: 0.12~0.22
     
    Ti: 5% C, up to 0.80
     
    Nb: 10% C, up to 1.00
    X5 CrNiMo 17 12 2
    X2 CrNiMo 17 12 2
    X6 CrNiMoTi 17 12 2
    X6 CrNiMoNb 17 12 2
    1.4401
    1.4404
    1.4571
    1.4580
    0.07
    0.030
    0.08
    0.08
    16.5 18.5
    16.5 18.5
    16.5 18.5
    16.5 18.5
    2.0 2.5
    2.0 2.5
    2.0 2.5
    2.0 2.5
    10.5 13.5
    11.0 14.0
    10.5 13.5
    10.5 13.5
    -
     
    -
     
    Ti: 5% C, up to 0.80
     
    Nb: 10% C, up to 1.00
    X2 CrNiMoN 17 13 3
    X2 CrNiMo 18 14 3
    X6 CrNiMo 17 13 3
    1.4429
    1.4435
    1.4436
    0.030
    0.030
    0.07
    16.5 18.5
    17.0 18.5
    16.5 18.5
    2.5 3.0
    2.5 3.0
    2.5 3.0
    11.5 14.5
    12.5 15.0
    11.0 14.0
    N:0.14~0.22; S≤ 0.025
     
    S ≤0.025
     
    S≤ 0.025
    X2 CrNiMoN 17 13 5 1.4439 0.030 16.5 18.5 4.0 5.0 12.5 14.5 N:0.12 ~0.22; S≤ 0.025
     
     


    Mechanical properties of DIN 17458 Austenitic Seamless Stainless Steel Pipe
     

    Steel Grade  2%minimum guaranteed stress
     
    1%minimum guaranteed stress
     
    Tensile strength, MPa
     
    Elongation  Minimum impact energy  Intergranular Corrosion Resistance 
    Grade Material Portrait Transverse Portrait Transverse Supply Conditions Follow-up processing after casting without heat treatment
    X5 CrNi 18 10
    X2 CrNi 19 11
    X2 CrNiN 18 10
    X6 CrNiTi 18 10
    X6 CrNiNb 18 10
    1.4301
    1.4306
    1.4311
    1.4541 
    1.4550
    195
    180
    270
    200
    180
    205
    230
    215
    305
    235
    215
    240
    500~700
    460~680
    550~760
    500~730
    460~680
    510~740
    40
    40
    35
    35
    35
    35
    35
    35
    30
    30
    30
    30
    85 55 300
    350
    400
    400
    400
    400
    300
    350
    400
    400
    400
    400
    X5 CrNiMo 17 12 2
    X2 CrNiMo 17 12 2
    X6 CrNiMoTi 17 12 2 
    X6 CrNiMoTi 17 12 2 
    X6 CrNiMoNb 17 12 2
    1.4401
    1.4404
    1.4571 
    1.4571 
    1.4580
    205
    190
    210
    190
    215
    240
    225
    245
    225
    250
    510~710
    490~690
    500~730
    490~690
    510~740
    40
    40
    35
    35
    35
    30
    30
    30
    30
    30
    85 55 300
    400
    400
    400
    400
    300
    400
    400
    400
    400
    X2 CrNiMoN 17 13 3
    X2 CrNiMo 18 14 3
    X6 CrNiMo 17 13 3
    1.4429
    1.4435
    1.4436
    295
    190
    205
    330
    225
    240
    580~800
    490~690
    510~710
    35
    40
    40
    30
    30
    30
    85 55 400
    400
    300
    400
    400
    300
    X2 CrNiMoN 17 13 5 1.4439 285 315 580~800 35 30 85 55 400 400
     
    Note:Thickness of applicable pipe less than 50 mm
     
     
     
    Classification of DIN 17458 Austenitic Seamless Stainless Steel Pipe
     

    Code Types Surface Polishing Remarks
    C1 Rust Removal by Hot Processing Heat Treatment Metal descaling
     
     
    C2 Hot working heat treatment pickling
    f Mechanical and Chemical Rust Removal Cold Processing Unheat Treatment Metal polishing is smoother than C1 and C2
     
     
    Cold Working Change without Continuous Heat Treatment
     
    Property depends only on the degree of processing.
     
    Austenitic steel pipe
    g Cold working and heat treatment without rust removal Descaling Applicable only to parts that have been de-rusted or processed
    h Cold Processing, Heat Treatment and Pickling Metal pickling gloss is smoother than C2  
     
    m Cold Processing Scaleless Heat Treatment Metal annealing gloss is smoother than h
    n2 Refining Heat Treatment of Polishing Rail System by Secondary Cold Rolling Metal annealing gloss is smoother than h or M Particularly suitable for grinding and polishing
    o Polish The method and degree of metal grinding should be agreed upon at the time of ordering. Conditions h m and N 2 are usually used as initial conditions
     
    p Polishing Quality and method of metal polishing and polishing should be agreed upon at the time of ordering.
     
    Note:Orders should indicate that polishing or polishing is used internally or externally or both.
     

     
    Testings

    Casting Analysis
    Tension testing at high temperature
    Shock detection
    Leveling test
    Non-destructive testing
    Leakproof Seal Inspection
    Naked eye test
    Material Certification Inspection
    Dimension Inspection
    Thermal Tensile Test
    Intergranular corrosion test
     
     
     
     
    Mark
    Each steel pipe shall be clearly marked at one end as follows:
     
    (1) Manufacturer's marking;
    (2) Steel grade material number
    (3) Code of Steel Tube Type
    (4) Additional code S indicates that the pipe belongs to seamless type. If the pipe is heated by 1.4541 or 1.4571 steel, code X is added.
    (5) 1 or 2 denotes detection category 1 or 2
    (6) Inspection batch number or casting number for steel pipes of inspection category 1
    (7) The outer diameter of steel pipes with steel pipe number or steel pipe casting type of inspection category 2 shall not exceed 114.3 mm or the code for certifying casting.
     
     





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