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Welded Austenitic Stainless Steel Tube Astm A688 For Tubular Feed Water Heaters

Categories Stainless Steel Tube
Brand Name: TORICH
Model Number: ASTM A688
Certification: ISO 9001 ISO 14001 TS 16949
Place of Origin: Zhejiang,China
MOQ: 0.5 Ton
Price: negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000 Ton/Year
Delivery Time: 15-30 days
Packaging Details: Packing in wooden, hexagonal box or other seaworthy ways
Product Name:: TORICH ASTM A688 TP304/304L/304LN , TP316/316L Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters
Keyword:: Welded Stainless Steel Tubes
Material:: TP304/304L/304LN , TP316/316L
Shape:: Round
Usage:: Feed warter Heater Tubes
OD:: 4-1200mm
WT:: 0.3-200m
Length:: 1-12m
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    Welded Austenitic Stainless Steel Tube Astm A688 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.

    Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters


    Surface Condition:

    The tubes are pickled in nitric and hydrofluoric acids.

    Bright annealing.


    Mechanical Requirement

    Grade:TP304TP304LTP304LNTP316TP316LTP316LNTP316LNTPXM-29TP304N
    UNSS30400S30403S30453S31600S31603S31653S31653S24000S30451
    C, max0.080.0350.0350.0800.0350.0350.0350.080.080
    Mn, max2.002.002.002.002.002.002.0011.5-14.52.00
    P, max0.0450.0450.0450.0450.0450.0450.0450.0600.045
    S, max0.0300.0300.0300.0300.0300.0300.0300.0300.030
    Si, max1.001.001.001.001.001.001.001.001.00
    Ni18.0-20.018.0-20.018.0-20.016.0-18.016.0-18.016.0-18.016.0-18.017.0-19.018.0-20.0
    Cr8.0-11.08.0-13.08.0-12.011.0-14.010.0-14.011.0-14.011.0-14.02.3-3.78.0-18.0
    Mo2.00-3.002.00-3.002.00-3.002.00-3.00
    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

    GroupSize,
    Outside Diameter,
    in(mm)
    Permissible
    Variations in
    Outside
    Diameter,
    in.[mm]

    Permissible
    Variations

    in WT, %

    PermisibleVariations

    in Cut Length,
    in[mm]
    Over Under

    1Up to 1/2(12.7), excl±0.005[0.13]±151/8[3]0
    21/2 to 1 1/2(12.7 to 38.1 excl±0.005[0.13]±101/8[3]0
    31 1/2 to 3 1/2(38.1 to 88.9 excl±0.010[0.25]±103/16[5]0
    43 1/2 to 5 1/2(88.9 to 139.7 excl±0.015[0.38]±103/16[5]0
    55 1/2 to 5 1/2(139.7 to 230.2 excl±0.030[0.76]±103/16[5]0

    buy ASTM A688 Welded Austenitic Stainless Steel Feedwarter Heater Tubes manufacturercheap ASTM A688 Welded Austenitic Stainless Steel Feedwarter Heater Tubes suppliers


    Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters


    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)


    FAQ

    Q: Are you trading company or manufacturer ?

    A: A professional steel pipes materials inventor, manufacturer and solution provider

    Q: How long is your delivery time?

    A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.

    Q: Do you provide samples ? is it free or extra ?

    A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.

    Q: What is your terms of payment ?

    A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
    If you have another question, pls feel free to contact us

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