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Leyon steel Leyon focus on pipe fittings, includes malleable iron pipe fittings, ductile iron grooved fittings and lined plastic pipe fittings, carbon steel pipe fittings and so on.
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Long Short 3 4 Inch Pipe Nipple , Black Iron Pipe Nipple Casting Technics

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Leyon steel Co., Ltd
City: Shanghai
Province/State: Shanghai
Country/Region: China
Contact Person:Miss Anne

Long Short 3 4 Inch Pipe Nipple , Black Iron Pipe Nipple Casting Technics

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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Synoptic table of black pipe nipples


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
SurfaceGalvanized/ no galvanized
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
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

Product Tags:

threaded pipe nipple


galvanized pipe nipple

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Long Short 3 4 Inch Pipe Nipple , Black Iron Pipe Nipple Casting Technics Images

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