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Stainless Steel Welding Neck Flange

Payment Type: L/C,T/T,D/P,Paypal,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Min. Order: 1 Piece/Pieces
Delivery Time: 7 Days
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Basic Info

Model No.: 1/2"-60"

Standard: DIN, GB, JIS, ANSI, GOST, BSW

Type: Welding Flange

Material: Stainless Steel, Carbon Steel, Alloy Steel

Structure: Flanges

Connection: Welding

Sealing Surface: RF

Manufacturing Way: Forging

Additional Info

Packaging: Wooden case or Wooden pallet, free-fumigation

Transportation: Ocean,Land,Air

Port: Tianjin Port,Shanghai Port,Qingdao Port

Product Description

 Welding Neck flange is the most used flange types acc. to ASME B16.5.


Welding Neck flanges are bored to match the inside diameter of the mating pipe or fitting so there will be no restriction of product flow. This prevents turbulence at the joint and reduces erosion. They also provide excellent stress distribution through the tapered hub and are easily radiographed for flaw detection.

Welding Neck Flange


Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting.

The long tapered hub provides an important reinforcement for use in several applications involving high pressure, sub-zero and / or elevated temperatures. The smooth transition from flange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, under conditions of repeated bending, caused by line expansion or other variable forces.

This flange type will be welded to a pipe or fitting with a single full penetration, V weld (Buttweld).


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