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TP347H Austenitic Stainless Steel Seamless Pipe For Heat Exchanger Tube UNS S34709

Categories Stainless Steel Seamless Pipe
Brand Name: TOBO/TPCO/TISCO/VALIN/METAL
Model Number: TP304/TP304L/SUS304/S32580/1.4571
Certification: ISO/PED/TUV/SGS/LR/BV
Place of Origin: China/Japan/Germany
MOQ: 0.5-1 tons
Price: negotiable
Payment Terms: T/T, L/C, Western Union, MoneyGram
Supply Ability: 7500 tons per year
Delivery Time: According to the qty
Packaging Details: in plastic bags then in bundles
Standard:: EN10216-5,EN10216-2,DIN 17456,DIN 17458,ASTM A312, A213,A269,A511,A789, A790 ETC,GOST 9941,JIS G3459
Color: white Silver gold
Types:: Stainless Steel Seamless Pipe / Tube
Material Grade: TP347H
Outer Diameter: 6mm-830mm
Company Info.
TOBO STEEL GROUP CHINA
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    TP347H Austenitic Stainless Steel Seamless Pipe For Heat Exchanger Tube UNS S34709

    TP347H Austenitic Stainless Steel Seamless Pipe/Tube , Heat Exchanger Tube UNS S34709 1.4961


    Specifications


    347H is controlled, high carbon Nb stabilised stainless steel for elevated temperature service.


    General Introduction


    S347H is a austenitic chromium steel containing colubium. It is recommended for parts fabricated by welding which cannot be subsequently annealed. This type is also used for parts which are intermittently heated and cooled to temperatures between 800°F and 1600°F. The addition of columbium produces a stabilied type of stainless that eliminates carbide precipitation and, consequently, intergranular corrosion.


    Chemical Composition


    C

    Co

    Cr

    Mn

    Ni

    P

    S

    Si

    Ta

    Max



    Max


    Max

    Max

    Max


    0.08

    Trace*

    17.0-20.0

    2.0

    9.0-13.0

    0.04

    0.30

    0.75

    Trace*


    MAIN STEEL TYPE AND GRADE :


    PRODUCTS

    TYPICAL STEEL GRADE

    Austenitic

    TP304,TP304L,TP304H,TP316,TP316L,TP316H,TP316Ti

    TP321,TP321H,TP347H,904L,TP310H,TP310S,TP317,TP317L

    Duplex / Super Duplex

    S31803, S32205, S32750


    MAIN PRODUCTION STANDARDS:


    STANDARD TYPE

    STANDARD

    EN

    EN10216-5 , EN10216-2

    DIN

    DIN 17456 , DIN 17458

    ASTM

    ASTM A312, A213, A269, A511, A789, A790 ETC

    GOST

    GOST 9941 , GOST 5632

    JIS

    JIS G3459 , JIS G3463

    GB

    GB/T14975,GB/T14975, GB13296, GB5310, GB9948

    Designed Features


    • Superior general corrosion resistance over Type 321 due to stabilization with columbium.

    • Reduced tendencies to form continuous networks of chromium carbides at the grain boundaries.

    • Better high temperature properties than 304 or 304L. Generally used for parts which are intermittently heated up to 1500 deg. F. For continuous service the maximum temperature is 1650 deg. F.

    • Type 347H has high carbon (.04 - . 10) for better high temperature creep properties. • Improved intergranular corrosion resistance.



    OUR TOBO GROUP
    The safety in production, quality first.
    Specialized production workshop, professional production staff.
    Shop the '7 s' principle
    The standardized production, the comprehensive treatment

    TOBO GROUP:
    Make development by enlarging scale brand building and internationalization.
    Keep Challenging and Innovation.
    Advance manufacturing instruments.
    Create perfect quality.
    Take strict testing as guarantee, upgrade grade as object.


    Typial Application


    ***High temperature chemical process, heat exchanger tubes

    ***Refineries

    ***High temperature steam service




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