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Long Short Natural Gas Pipe Fittings , Black Iron Pipe Nipple Casting Technics

Categories Natural Gas Pipe Fittings
Brand Name: kanaif
Model Number: black pipe nipples
Certification: FM/UL
Place of Origin: China
MOQ: 100piece
Price: Negotiable
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 10000piece/week
Packaging Details: 200piece/carton
Color: Galvanized
material: malleable iron
Technics: Casting
size: 1/8”-6“ black pipe nipples
Standard: ANSI,BS,DIN
Head Code: Square
Item: black pipe nipples
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    Long Short Natural Gas Pipe Fittings , Black Iron Pipe Nipple Casting Technics

    Synoptic table of black pipe nipples

    SizeInch1/81/43/81/23/4111/4
    mm681015202532
    Dim.
    (mm)
    A29363844475357
    SizeInch11/2221/23456
    mm40506580100125150
    Dim.
    (mm)
    A5968758395103110

    3/4" Black Malleable Pipe Long Short Nipple Applicable Water Hexagon

    1. DISA from Denmark ,DJ AMF Japan,SINTOKOGIO Japan have been applied into the malleable iron bushing to guarantee the quality of products.
    2. The material’s quality of the cast steel sample needs to be examined by Oxford Instruments’s.
    3. High heat value natural gas annealing oven will be applied to control the annealing operation and raise the material’s physical performance.
    4. After air-tightness test,each bushing will be in the condition of no leakage.
    5. We can strictly control the calibre,parallelism, angle and tooth type of the thread for every pipe fitting flange,because all of them need to pass the plug gauge test.

    What’s the different of ductile iron , gray iron and malleable cast iron ?


    The characteristic of ductile iron is very tough, graphite is in the form of a ball.

    The feature of gray iron is very brittle , graphite is in the form of strip .

    The particularity of malleable cast iron is graphite is a group of flocculent tiles .


    So the ductile iron is hardest , malleable cast iron is harder than gray iron .


    Correlation table :

    MaterialMalleable iron
    StandardThread: ISO 7/1
    DimensionISO 49, DIN 2950,EN10242
    Chemical property(C %2.4-2.9), (Si %1.4-1.9), (Mn %0.4-0.65), (P% <0.1), (S% <0.2%)
    Physical propertyTensile strength>=350Mpa,Elongation>=10% Hardness<=150HB
    Testing pressure2.5Mpa
    Working pressure1.6Mpa
    TypeBeaded with ribs or banded with ribs
    Beaded without ribs or banded without ribs
    Round/square
    SurfaceGalvanized/ no galvanized
    ColorWhite/black
    ModelElbow, Tees, Crosses, Bends, Unions, Bushings, Lateral Braches, Sockets, Nipples, Hexagon/Round, Caps, Plugs, Locknuts, Flanges ,Side Outlet Tees, Side Outlet Elbows and etc
    ConnectionMale, Female
    ShapeEqual, Reducing
    CertificateBSI,ANAB,ISO9001,FM,UL
    ApplicationSuitable for pipe connect of steam, air, gas, oil and so on
    Buyer’s drawings or designs are available
    PackageCartons without pallet
    Cartons with pallet
    Double woven bags

    Or as buyer’s requirements

    Delivery details


    According to the quantities and specifications of each order
    Normal delivery time is from 30 to 45 days after receiving the deposit

    Quality Long Short Natural Gas Pipe Fittings , Black Iron Pipe Nipple Casting Technics for sale
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