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UNS N04401 Flanges
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We produce UNS N04401 flanges,UNS NO4401 flanges,UNS N04401 Blind Flanges,UNS N04401 Welding Neck Flanges,UNS N04401 Slip On Flanges,UNS N04401 Socket Welding Flanges,UNS N04401 Lap joint Flanges,UNS N04401 Ring joint Flanges,UNS N04401 Slip-on flanges,UNS N04401 Weld Neck Flanges,UNS N04401 WN flanges,UNS N04401 LWN flanges, UNS N04401 Long weld neck flanges,UNS N04401 orifice flanges,UNS N04401 Spectacle blind Flanges,UNS NO4401 Spectacle flanges, UNS NO4401 spacer ring flanges,UNS N04401 Swivel Ring Flanges,UNS N04401 WNRF Flanges,UNS N04401 SORF Flanges,UNS N04401 SWRF Flanges,UNS N04401 Threaded Flanges,UNS N04401 Ring Type Joint Flanges,UNS N04401 BLRF Flanges,UNS N04401 RTJ Flanges from china

The size of UNS N04401 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS N04401 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS N04401 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS N04401 flanges as per the drawing of the clients

Following is the standard of UNS N04401 flanges that we could do:

American standard of UNS N04401 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 N04401 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);

DIN2573,2576,2527,2655,2656(PL);DIN2566.

British standard of UNS N04401 flanges in BS3293,BS4504,BS10

The Italy standard of UNS NO4401 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 N04401 flanges in JIS B27620,

Korean Standard of UNS N04401 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS N04401 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS N04401 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS N04401 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of UNS NO4401 flanges in EN1092-1

South african standard of UNS N04401 flanges in SABS-1123/SANS-1123

As per surface treatment of UNS NO4401 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 NO4401 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS N04401 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 N04401 flanges as per the requirement of the clients

UNS N04401 is higher in copper content than Monel 400 for better electrical properties

The chemical composition of UNS N04401 flanges is as follows

Table 1- Limiting Chemical Composition, %,

of UNSN04401

Ni....................................................................40.0-45.0

C..................................................................0.10max.

Mn...........................................................2.25max.

Fe........................................................................0.75max.

Co...................................................................0.25max.

S..................................................................0.015max.

Si...................................................................0.25max.

Cu....................................................................Balance*


The mechanical property of UNS N04401 flanges is as follows

TensileStrength,MPa.............................................................MIN  441

Yield Strength (0.2% Offset),MPa........................................MIN ..134

Elongation,%..........................................................................MIN .51

Hardness, Rb............................................................................43


We could supply material certificate of UNS N04401 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 N04401 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS N04401 flanges are widely used in many industries,such as Quarry & Opencast Mine Maintenance ,Mining & Excavation Plant Equipment ,Deep Mining Pit Maintenance & Repair ,Conveyor Equipment Manufacturers .Mine Construction & Site Extension Construction Impact, Jaw & Cone Crusher Manufacturers,Drilling, Scalping & Screener Equipment Manufacturers and so on


Ask for our Delivery Guarantee for our UNS NO4401 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 N04401 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 N04401 flanges, we are glad to quote the best price for your side.

Except UNS N04401 flanges,we also could produce UNS N04401 bars,UNS N04401 plates,UNS N04401 fastener,UNS N04401 bolts,UNS N04401 fittings,UNS N04401 pipes,UNS N04401 tubes,UNS N04401 springs