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F304 F304L F316 F316L 31803 32750 Stainless Flange

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F304 F304L F316 F316L 31803 32750 Stainless Flange

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Brand Name : ST

Model Number : 012

Certification : TUV/ISO9000

Place of Origin : Mengcun，China

MOQ : 1 Piece

Price : 1-9 Pieces US $19.68/piece; >10 Pieces US $15.47/piece

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 500000 pieces/month

Delivery Time : 7-15 work days

Packaging Details : Wooden Cases or Pallets

Connection Sizes : 1/2"-69"(Dn10-Dn3000)

Facing : RF,FM,M,Tg,RF,FF,Rtj

Pressure : Class150-Class2500,Pn6-Pn160,5K-30K

Shape : Round

Manufacturing Ways : Forged

Standards : ASME,Mss,DIN,JIS,API,GOST,BS,GB

HS Code : 730791

Flanges Types : Weld Neck Flange

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F304 F304L F316 F316L 31803 32750 Stainless Steel Weld Neck Flange

　　Weld 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 weld neck 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.

　　Weld 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.

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

Product Details

Standard ANSI/ ASME B 16.5
Type weld neck flange
Dimension 1/2” NB TO 24” NB
Wall thickness SCH 5s 10s 20s 30s 40s 80s 160s XXS
Material: Duplex steel A182 F51, UNS 31803/2205
Stainless steel 304/304L 316/316L
Alloy steel: A182 F1/ F5/ F9/ F11, F22
Carbon steel A105, A181
Copper nickel 90/30, 70/30
Titanium alloy Gr2, Gr3, Gr5
Pressure rate 150 PSI
300 PSI
400 PSI
600 PSI
900 PSI
1500 PSI
2500 PSI		 weld neck flange
Application: Shipbuilding &Marine industry, Oil &gas industry, On/Off shore.
Surface treatment Anit-oil, epoxy zinc rich primer(transparent/yellow/black), hot dipped galvanized and cold galvanized
Certificate ISO9001:2008, CR, CCS,RS,BV,NK,RINA,LR,ABS,DNV,GL,TUV

Our advantage

　　Our overall process of F304 F304L F316 F316L 31803 32750 Stainless Steel Flange Socket Weld Slip on/Weld Neck/Plate Flange/Blind Flange has reached the world's advanced level, thus the development of related industries will be promoted. We are a company that integrates R&D, production, sales, and service in a cross-regional operation. We strive to become a brand with first-class management, excellent quality and honest service.

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F304 F304L F316 F316L 31803 32750 Stainless Flange

F304 F304L F316 F316L 31803 32750 Stainless Flange


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