UNS N04404 Flanges
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We produce UNS N04404 flanges,UNS NO4404 flanges,UNS N04404 Blind Flanges,UNS N04404 Welding Neck Flanges,UNS N04404 Slip On Flanges,UNS N04404 Socket Welding Flanges,UNS N04404 Lap joint Flanges,UNS N04404 Ring joint Flanges,UNS N04404 Slip-on flanges,UNS N04404 Weld Neck Flanges,UNS N04404 WN flanges,UNS N04404 LWN flanges, UNS N04404 Long weld neck flanges,UNS N04404 orifice flanges,UNS N04404 Spectacle blind Flanges,UNS NO4404 Spectacle flanges, UNS NO4404 spacer ring flanges,UNS N04404 Swivel Ring Flanges,UNS N04404 WNRF Flanges,UNS N04404 SORF Flanges,UNS N04404 SWRF Flanges,UNS N04404 Threaded Flanges,UNS N04404 Ring Type Joint Flanges,UNS N04404 BLRF Flanges,UNS N04404 RTJ Flanges from china

The size of UNS N04404 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS N04404 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS N04404 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS N04404 flanges as per the drawing of the clients

Following is the standard of UNS N04404 flanges that we could do:

American standard of UNS N04404 flanges in ANSI B16.5 ;ASME B16.47 Series A(MSS SP-44);ASME B16.47 Series B(API 605);ANSI B16.1,AWWA C207

Germany standard of UNS N04404 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS N04404 flanges in BS3293,BS4504,BS10

The Italy standard of UNS NO4404 flanges in UNI27676-67,UNI27677-67,UNI27678-67,UNI6083-67,UNI6084-67,,UNI6088-67,,UNI6089-67,UNI27699-67,,UNI2300-67,UNI27680-67,,UNI27681-67,,UNI27682-67,,UNI27683-67

Janpanese standard of UNS N04404 flanges in JIS B27620,

Korean Standard of UNS N04404 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS N04404 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS N04404 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS N04404 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of UNS NO4404 flanges in EN1092-1

South african standard of UNS N04404 flanges in SABS-1123/SANS-1123

As per surface treatment of UNS NO4404 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of UNS NO4404 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS N04404 Flanges:Chemical Analysis,Corrosion Test,Tensile, Hardness, Flattening, Flare, Flange and Reverse-bend tests,Eddy Current Testing,Hydrostatic Testing,Air under Press Test,IGC Test (Inter Granular Corrosion Test),Micro-Structure Analysis,Radiography Test,Ultrasonic Test,Liquid Penetrate Test

We could do solution treatment, ageing treatment for UNS N04404 flanges as per the requirement of the clients

UNS N04404 is carefully adjusted to provide a very low Curie temperature, low permeability, and good

brazing characteristic

The chemical composition of UNS N04404 flanges is as follows

Chemical Composition, % of UNSN04404:


(plus Co)
















The mechanical property of UNS N04404 flanges is as follows




Tensile  strength(annealed)

483 MPa

70 ksi

Yield  strength(annealed)

172 MPa

25 ksi

Poissons  Ratio



Modulus  of Elasticity

169 GPa

24500 ksi

We could supply material certificate of UNS N04404 flanges  as per the standard of EN10204-3.1 or EN10204-3.2 of third party(like TUV,DNV,GL and so on)

Our UNS N04404 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS N04404 flanges are widely used in many industries,such as Sulphuric acid piping and vessels,Phosphoric acid evaporators, Pickling tank heaters, pickling tanks and equipment,Chemical process equipmentTank trucks,Calorifiers,Electrostatic precipitator electrodes,Hot vessels for food, water and seawater,ammonium sulphate vessels,Expansion bellows, Marine exhaust systems,Power station ash hoppers and so on

Ask for our Delivery Guarantee for our UNS NO4404 flanges, and we will offer a cumulative rebate of 1% for the 1st week late, 2% for the 2nd week late, etc., to a maximum of 10%. For example, a 3 week late delivery will yield a rebate of 6%. We are so sure our long delivery will be on time, we back it up with a financial guarantee.

In order to export our UNS N04404 Flanges, we will do Packing in  No Fumigate or Fumigate Plywood/Wood Pallet or Case as per the requirement of our clients

Please send us the drawing of UNS N04404 flanges, we are glad to quote the best price for your side.

Except UNS N04404 flanges,we also could produce UNS N04404 bars,UNS N04404 plates,UNS N04404 fastener,UNS N04404 bolts,UNS N04404 fittings,UNS N04404 pipes,UNS N04404 tubes,UNS N04404 springs