cu-ni pipes, flanges & fittings

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  • This is the html version of the file http://www.marine-applications.com/assets/user/files/.svn/text-base/offshore_productrange.pdf. Google automatically generates html versions of documents as we crawl the web.

    Page 1

    KME German

    y A

    G & Co. K

    G

    OSN

    A10

    [GB]

    Copper-Nickel Seawater Piping SystemsOffshore product range:Pipes, fittings and flanges of OSNA10

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    Contents

    Your Partner KMEThe MaterialOffshore Product RangeDesign ScopeKME Quality-ManagementPipesElbowsEqual TeesReducing TeesCapsReducersSaddle PiecesComposite Weld Neck Flanges

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    44

    Composite Weld Neck FlangesComposite Slip-On FlangesSolid Weld Neck FlangesSolid Slip-On FlangesComposite Blind FlangesCapillary Brazing, Socket Weld Fittings

    and MiscellaneousAppendix

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    Your Partner - KMEThe Expert in Seawater Piping

    Marine Applications

    KMEs division Marine Applications specializes inthe production and supply of copper-nickel alloysfor seawater piping system. Since decades, thesealloys have successfully used in:

    Merchant and military shipbuilding Offshore oil and gas installations Coastal petroleum and petrochemical

    processing plants Seawater desalination plants

    Hundred years of experience, a thorough understanding ofthe different industries specific problems, a potent range ofapplication-oriented products and services, plus qualified technical advice and assistance, have been the bedrock ofKMEs relations with its customers.

    Copper-nickel alloys are widely applied in: Seawater cooling systems Fire water systems

    Sanitary systems Deck steam pipes Deluge systems

    Hydraulic and pneumatic systems Seawater feed lines to desalination and

    processing units Splash zone sheathing

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  • KME Germany AG & Co. KG OSNA10

    Seawater desalination plants Coastal electricity generation plants

    Splash zone sheathing

    Page 4

    Main Advantages of OSNADespite the rough conditions in marine serviceand the highly corrosive nature of seawater, theproducts provide well balanced combination oftechnical and economical advantages: Simple alloying system with good weldability Excellent ductility and toughness Outstanding erosion corrosion performance Resistant to uniform and localised corrosion No effect of ambient seawater temperatures No effect of seawater chlorination Resistant to biofouling Resistant to stress Low maintenance costs A lot of design experience

    KME OSNA10-AlloyThe chemical composition of the KMEs OSNA10-alloy is modified to ensure the compliance with allinternational specifications. Controlled content ofalloying elements and minimised concentration ofimpurities ensure reliable service and fabricationproperties of the alloy.

    The Material

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  • 2KME Alloy

    OSNA-10(CuNi 90/10)

    DIN CEN/TS

    13388CW352H

    DIN 86019

    WL 2.1972

    BS 28711)

    CN 102

    DIN EN

    12449 144UNS C 7060 x

    Ni % 10.0 11.0 9.011.0 9.0 11.0 10.0 11.0 9.0 11.0 10.0

    Fe % 1.5 1.8 1.0 2.0 1.5 1.8 1.0 2.0 1.0 2.0

    Mn % 0.6 1.0 0.5 1.0 0.5 1.0 0.5 1.0 0.5 1.0

    C % max. 0.02 max. 0.05 max. 0.05 max. 0.05 max. 0.05 max. 0.05

    Pb % max. 0.01 max. 0.02 max. 0.01 max. 0.01 max. 0.02 max. 0.01

    S % max. 0.005 max. 0.05 max. 0.005 max. 0.05 max. 0.05 max. 0.02

    P % max. 0.02 max. 0.02 max. 0.02 max. 0.02 max. 0.02

    Zn % max. 0.05 max. 0.50 max. 0.05 max. 0.50 max. 0.20

    Sn % max. 0.03 max. 0.03

    other imp. max. 0.20 max. 0.20 max. 0.20 max. 0.30 max. 0.20 max. 0.30

    Cu % rem. rem. rem. rem. rem.

    1) no longer valid

    2) equal to C 70600 for subsequent welding

    * The iron content has been specified to improve corrosion resistance

    Comparison of Standard Specifications for OSNA-10 (CuNi 90/10)

    Page 5

    Offshore Product Range

    The OSNA 10 offshore product range is based on:

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  • The OSNA10 offshore product range is based on: EEMUA 144: 1987 Tubes1 Seamless and Welded EEMUA 145: 1987 Flanges Composite and Solid EEMUA 146: 1987 Fittings

    The unique dimensional range from inch to36 inch ensures the supply of the entire pipingsystems from one source. Although the pipedimensions of 38 and 40 inch are not includedin the EEMUA 144 1987 they are availablehere as they are commonly specified in offshoreprojects. Based on ASME specifications,additional components are included.

    1 The reference pipe rather than tube is used in this document.

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  • KME Germany AG & Co. KG OSNA10

    Page 6

    Design Scope

    Working pressures and temperatures of components includedin this specification:1. 16 bar/232 psi: -29C/-20F to +75C/+167F2. 20 bar/290 psi: -29C/-20F to +38C/+100F

    Pipes Seamless and Welded: Pipes are based on BS MA 60, DIN 86007, and ANSI/ASME B31.3 The wall thicknesses comply with ANSI B31.3 and DIN 86007 as

    well as International Association of Classification Societies withadditional allowances for robustness to withstand mechanicaldamage, especially in the smaller sizes.

    The fit-for-purpose corrosion allowance of 0.5 mm sufficient forentire service life of the piping installation has been included.This corrosion allowance is in accordance with all major classi-fication societies specified for alloys containing 10 wt. % Ni and1.5 wt. % Fe. Mechanical properties of pipes are given inAppendix A.

    Flanges Composite and Solid: Included series of composite (lap type) and solid flanges in metric

    dimensions based on ANSI B16.5, MSS SP-44 and BS 1560 The basic metric dimensions for drilling and flange outside

    diameters are those given in ANSI B16.5 and MSS SP 44 Class150 rating with inch size bolting.

    The copper-nickel stub end and flange joint faces are machinefinished and comply with the corresponding Sections of EEMUA145 and are summarized in the Appendix A.

    Mechanical properties pressure/temperature ratings of flanges

    Physical Properties of CuNi 90/10The physical properties of the alloy are givenby Appendix B. The basic allowable stresses intension are in Table A-1.

    WeldingThe welding consumables used for the manufacturing of welded components are in with AWScedure specification and welder qualification arein accordance

    Testing of WeldsThe weld seams are examined by the liquid dyepenetrant testing in section VIII, division 1, appendix 8. The radiographic examination is performed for the completelength of each weld to meet the requirements ofASME code, section VIII, UW51.

    GasketsThe gaskets normally used with flanges arethose made from aramid fibre with nitrile binderin accordanceThe gasket hardness shall not be less than75 Shore. The gaskets shall not be graphited.In order to ensure adequate seating when solid

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  • 4 Mechanical properties pressure/temperature ratings of flangesare given in Appendix A.

    Fittings: The specification comprises a series for pipe fittings including

    butt weld, socket welding, capillary brazing, threaded, self-reinforced fittings as well as saddle pieces.

    The building in dimensions of the butt welding fittings are basedon ANSI B16.9 apart from the caps that are based on DIN 28011(with suitable amendments).

    Mechanical properties pressure/temperature ratings of fittingsare given in Appendix A.

    In order to ensure adequate seating when solidweldneck and solid slipirrespective of gasket materials, the gasketsshall be located within the bolt circle. Note:Gaskets should not be used when mating withelastomerlrubber faced flanges.

    Suggested Branch ConnectionsSuggested branch connections are provided byAppendix D.

    PDMS DataThe components mentioned in this catalogue areavailable in the PDMSfor more information.

    Page 7

    KME Quality-Management

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  • KME Germany AG & Co. KG OSNA10

    Quality is the very basis of reliability quality in every detail,in every step of work.

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