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Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters

Categories Stainless Steel Tube
Brand Name: Torich
Model Number: ASTM A688
Certification: ISO 9001:2008 , TS16949 , KR , RINA
Place of Origin: China
MOQ: 5MT
Price: negotiable
Supply Ability: 6000MT/Month
Delivery Time: 30~45days
Payment Terms: L/C, T/T
Packaging Details: In bundles or wooden boxes
Dimension:: OD 230mm WT≥0.7mm
Section Shape:: Round
Product Name:: Stainless Steel Tube
Grade:: TP304/304L/304LN , TP316/316L/316LN
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    Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters

    ASTM A688 TP304/304L/304LN , TP316/316L/316LN Welded Austenitic Stainless Steel Feed warter Heater Tubes


    Size range:
    O.D.: 4.0-230mm W.T.:1-30mm L: according to customer requirement


    Material and Manufacture:

    Tubes are made from Flat-rolled steel by automatic welding process.

    Subsequent to welding and prior to final heat treatment, the tubes are cold drawn or cold rolled

    The tubes are ready for U-bending after annealed, according to customer's drawing and design.


    Surface Condition:

    The tubes are pickled in nitric and hydrofluoric acids.

    Bright annealing.


    Mechanical Requirement

    Grade:

    TP304

    TP304L

    TP304LN

    TP316

    TP316L

    TP316LN

    TP316LN

    TPXM-29

    TP304N

    UNS

    S30400

    S30403

    S30453

    S31600

    S31603

    S31653

    S31653

    S24000

    S30451

    C, max

    0.08

    0.035

    0.035

    0.080

    0.035

    0.035

    0.035

    0.08

    0.080

    Mn, max

    2.00

    2.00

    2.00

    2.00

    2.00

    2.00

    2.00

    11.5-14.5

    2.00

    P, max

    0.045

    0.045

    0.045

    0.045

    0.045

    0.045

    0.045

    0.060

    0.045

    S, max

    0.030

    0.030

    0.030

    0.030

    0.030

    0.030

    0.030

    0.030

    0.030

    Si, max

    1.00

    1.00

    1.00

    1.00

    1.00

    1.00

    1.00

    1.00

    1.00

    Ni

    18.0-20.0

    18.0-20.0

    18.0-20.0

    16.0-18.0

    16.0-18.0

    16.0-18.0

    16.0-18.0

    17.0-19.0

    18.0-20.0

    Cr

    8.0-11.0

    8.0-13.0

    8.0-12.0

    11.0-14.0

    10.0-14.0

    11.0-14.0

    11.0-14.0

    2.3-3.7

    8.0-18.0

    Mo

    2.00-3.00

    2.00-3.00

    2.00-3.00

    2.00-3.00

    Nitrogen

    Copper






    Grade:TP316N
    UNSS31651N08367N08926S31254S32654
    C, max0.0700.0300.0200.0200.020
    Mn, max2.002.002.001.002.0-4.0
    P, max0.0450.0400.0300.0300.030
    S, max0.0300.0300.0100.1000.005
    Si, max4.8-6.01.000.500.800.50
    Ni9.58.020.0-22.024.0-26.019.5-20.521.0-23.0
    Cr19.0-22.023.5-25.519.0-21.017.5-18.524.0-25.0
    Mo0.30-1.506.0-7.06.0-7.06.0-6.57.0-8.0
    Nitrogen0.45-0.55
    Copper0.30-0.60


    Tensil Requirements

    Grade and UNSTensile strength
    min ksi [Mpa]
    Yield strength
    min ksi [Mpa]
    Elongation
    in 2in or 50mm min %
    304, 316
    S30400, S31600
    75 [515]30 [205]35
    304L, 316L
    S30403, S31603
    70 [485]25 [175]35
    XM-29
    S24000
    100 [690]55 [380]35
    304N, 316N
    S30451, S31651
    80 [550]35 [240]20
    304LN, 316LN
    S30453, S31653
    75 [515]30 [205]35
    N08367 t≤0.187100 [690]45 [310]30
    N08367 t>0.18795 [655]45 [310]30
    N0892694 [650]45 [310]35
    S31254 t≤0.187100 [690]45 [310]35
    S21254 t>0.18795 [655]45 [310]35
    S32654120 [825]65 [450]40

    Permissible Variations in Dimensions

    Group

    Size,
    Outside Diameter,
    in(mm)

    Permissible
    Variations in
    Outside
    Diameter,
    in.[mm]

    Permissible
    Variations

    in WT, %

    PermisibleVariations

    in Cut Length,
    in[mm]
    Over Under

    1

    Up to 1/2(12.7), excl

    ±0.005[0.13]

    ±15

    1/8[3]

    0

    2

    1/2 to 1 1/2(12.7 to 38.1 excl

    ±0.005[0.13]

    ±10

    1/8[3]

    0

    3

    1 1/2 to 3 1/2(38.1 to 88.9 excl

    ±0.010[0.25]

    ±10

    3/16[5]

    0

    4

    3 1/2 to 5 1/2(88.9 to 139.7 excl

    ±0.015[0.38]

    ±10

    3/16[5]

    0

    5

    5 1/2 to 5 1/2(139.7 to 230.2 excl

    ±0.030[0.76]

    ±10

    3/16[5]

    0


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    Reference Documents:

    ASTM STANDARDS

    ASTM A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels


    ASTM A480 / A480 M Specification for General Requirements for Flat-Rolled Stainless and Heat-

    Resisting Steel Plate, Sheet and Strip,


    ASTM A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys.


    ASTM A1016/ A1016 M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy

    Steels, and Stainless Steel Tubes.


    ASTM E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)


    SAE J1086 Practice for Numbering Metals and Alloys (UNS)

    Quality Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters for sale
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