UNS N08020 Flanges
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We produce UNS N08020 flanges,UNS NO8020 flanges,UNS N08020 Blind Flanges,UNS N08020 Welding Neck Flanges,UNS N08020 Slip On Flanges,UNS N08020 Socket Welding Flanges,UNS N08020 Lap joint Flanges,UNS N08020 Ring joint Flanges,UNS N08020 Slip-on flanges,UNS N08020 Weld Neck Flanges,UNS N08020 WN flanges,UNS N08020 LWN flanges, UNS N08020 Long weld neck flanges,UNS N08020 orifice flanges,UNS N08020 Spectacle blind Flanges,UNS NO8020 Spectacle flanges, UNS NO8020 spacer ring flanges,UNS N08020 Swivel Ring Flanges,UNS N08020 WNRF Flanges,UNS N08020 SORF Flanges,UNS N08020 SWRF Flanges,UNS N08020 Threaded Flanges,UNS N08020 Ring Type Joint Flanges,UNS N08020 BLRF Flanges,UNS N08020 RTJ Flanges from china

The size of UNS N08020 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS N08020 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS N08020 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS N08020 flanges as per the drawing of the clients

Following is the standard of UNS N08020 flanges that we could do:

American standard of UNS N08020 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 N08020 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS N08020 flanges in BS3293,BS4504,BS10

The Italy standard of UNS NO8020 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 N08020 flanges in JIS B27620,

Korean Standard of UNS N08020 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS N08020 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS N08020 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS N08020 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of UNS NO8020 flanges in EN1092-1

South african standard of UNS N08020 flanges in SABS-1123/SANS-1123

As per surface treatment of UNS NO8020 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 NO8020 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS N08020 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 N08020 flanges as per the requirement of the clients

UNS N08020 is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid.

The chemical composition of UNS N08020 flanges is as follows

Chemical Composition Limits

Weight %












UNS N08020

32.0 - 38.0

19 - 21

3 - 4

2 - 3


0.07 max

8 x C-1

2 max

0.045 max

0.035 max

1.0 max

The mechanical property of UNS N08020 flanges is as follows

Mechanical Properties
Annealed Material


Tensile Min.

Yield Min. (.2% offset)

Elongation Min.

Reduction of Area Min.


548 MPA

240 MPA



We could supply material certificate of UNS N08020 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 N08020 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS N08020 flanges are widely used in many industries,such as Water Treatment Plants,Filtration Equipment Manufacturers,Pump Manufacturers,Purification Systems,Water Utility Companies,Sludge Treatment Plants,Desalination Plants,Reverse Osmosis Plants,Water Reuse Installations,Vintage Steam Engine Maintenance.Military Vehicle Producers,Automotive Component Manufacturers.Track Component Manufacturers and so on

Ask for our Delivery Guarantee for our UNS NO8020 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 N08020 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 N08020 flanges, we are glad to quote the best price for your side.

Except UNS N08020 flanges,we also could produce UNS N08020 bars,UNS N08020 plates,UNS N08020 fastener,UNS N08020 bolts,UNS N08020 fittings,UNS N08020 pipes,UNS N08020 tubes,UNS N08020 springs