C&N HUITONG limited are leading steel pipe,fitting and flange Supplier since 1997.
Phone: +86-0317-6287569     E-mail: alloypipefitting@gmail.com

Weld neck flange/Flanges/

1.4401 Flange, AISI 316 Flange, Weld Neck Flange, DIN 2633 Pn16 Welding Neck Flange

Standard: ANSI, DIN, JIS
Type: Welding Flange
Material: Stainless Steel
Structure: Flanges
Connection: Welding
Sealing Surface: RF


  • Product Details

Basic Info.

Model NO.1.4401 FlangeStandardANSI, DIN, JIS
TypeWelding FlangeMaterialStainless Steel
Sealing SurfaceRFManufacturing WayForging
Stainless Steel Flange1.4401Stainless FlangeAISI 316
Transport PackageWooden CaseSpecificationB16.5 B16.9 API605
HS Code7307910Production Capacity400ton/Month

Product Description

Welding Neck Flange (WN) FBE internal lining + Epoxy high solid paint external lining

HONGCHENG/HUITONG supplied series Fusion Bonded Epoxy Coatings pipe fittings for ARAMCO project since 2020.
it is with urgent demands for site requirements, due to covid19 spread control, all our workers quanrantee at factory one months finished this project for customer urgent needs.

Product Description

C&N is a  professional manufacturer of steel forged flange in China,

We offer high quality of stainless steel flange according to
EN 1.4301,1.4401  1,4404

N1092  type 1 1.4404 Stainless Steel  flange, AISI 316L  stainless steel flange

1.4301 / 1.4307TP 304 / 304L
1.4401 / 1.4404TP 316 / 316L
1.4541TP 321
1.4571TP 316Ti

stainless steel :A 182 F 304/304L/316/316L/321/347,

Our production scope:

slip on flange, Weld Neck Flange Threaded Flange Blind Flange,

Size 1/2″-120″ (DN15-DN3000)

Facing RF/FF / RTJ

Flanges acc. to DIN
Blind flanges acc. to DIN 2527 Threaded flanges acc. to DIN 2565; DIN 2566; DIN 2567Flanges, plain, for soldering or welding acc. to DIN 2573 and DIN 2576Lap Joint flanges, unturned welding flange; plain collars acc. to DIN 2641 and DIN 2642Welding neck flanges acc. to DIN 2627 until DIN 2638Lap Joint flanges, plain collar acc. to DIN 2655 and DIN 2656Lap Joint flanges with stub end acc. to DIN 2673
Flanges acc. to DIN EN 1092-1
Type01; Type02; Type04; Type05; Type11; Type12; Type32; Type34;
With the sealing surfaces of the Form A; Form B (B1/B2); Form C; Form D; Form E; Form F; Form G;
Flanges acc. to ASME 
B 16.5: Welding neck flange; slip-on flange; Lap Joint Flanges; blind flange; socket welding flanges; Threaded flanges; B.S.3293: welding neck flange; slip-on flange;B 16.47 Serie A/B: welding neck flange; Blind flanges; 
Flanges according to your drawings 

1.4301; 1.4307; 1.4401; 1.4404; 1.4541; 1.4571; P250GH; P355QH1; A105N; C21; C22.8; F304L; F316; F316L; F316Ti; F321; WSTE355; 13CrMo4-5; 16Mo3;
Other Materials on request  

Inspection: In house and third party

Document: MTC Comply with EN10204 3.1 can be provided prior to shipment



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