UNS N08811 Flanges
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We produce UNS N08811 flanges,UNS NO8811 flanges,UNS N08811 Blind Flanges,UNS N08811 Welding Neck Flanges,UNS N08811 Slip On Flanges,UNS N08811 Socket Welding Flanges,UNS N08811 Lap joint Flanges,UNS N08811 Ring joint Flanges,UNS N08811 Slip-on flanges,UNS N08811 Weld Neck Flanges,UNS N08811 WN flanges,UNS N08811 LWN flanges, UNS N08811 Long weld neck flanges,UNS N08811 orifice flanges,UNS N08811 Spectacle blind Flanges,UNS NO8811 Spectacle flanges, UNS NO8811 spacer ring flanges,UNS N08811 Swivel Ring Flanges,UNS N08811 WNRF Flanges,UNS N08811 SORF Flanges,UNS N08811 SWRF Flanges,UNS N08811 Threaded Flanges,UNS N08811 Ring Type Joint Flanges,UNS N08811 BLRF Flanges,UNS N08811 RTJ Flanges from china

The size of UNS N08811 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS N08811 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS N08811 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS N08811 flanges as per the drawing of the clients

Following is the standard of UNS N08811 flanges that we could do:

American standard of UNS N08811 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 N08811 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS N08811 flanges in BS3293,BS4504,BS10

The Italy standard of UNS NO8811 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 N08811 flanges in JIS B27620,

Korean Standard of UNS N08811 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS N08811 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS N08811 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS N08811 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of UNS NO8811 flanges in EN1092-1

South african standard of UNS N08811 flanges in SABS-1123/SANS-1123

As per surface treatment of UNS NO8811 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 NO8811 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS N08811 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 N08811 flanges as per the requirement of the clients

UNS N08811 are nickel-iron-chromium alloys with good strength and excellent resistance to oxidation and carburization in high-temperature exposure.

The chemical composition of UNS N08811 flanges is as follows












39.5 min


.75 max



.06-.10 max

1.5 max

.015 max

1.0 max

The mechanical property of UNS N08811 flanges is as follows





 at 0.2%

 in 2"
 or 4D, percent

UNS N08811





We could supply material certificate of UNS N08811 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 N08811 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS N08811 flanges are widely used in many industries,such as high pressure pumps,Centrifugal pumps,power generators and nitrogen generators,Food Processing equipment and storage.Columns & Towers,Tanks ,Silos,Process Modules,Preheaters,Hydrogenators,Offshore and onshore industry, such as subsea and deepwater offshore oil production systems, industrial air compressors

Ask for our Delivery Guarantee for our UNS NO8811 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 N08811 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 N08811 flanges, we are glad to quote the best price for your side.

Except UNS N08811 flanges,we also could produce UNS N08811 bars,UNS N08811 plates,UNS N08811 fastener,UNS N08811 bolts,UNS N08811 fittings,UNS N08811 pipes,UNS N08811 tubes,UNS N08811 springs