UNS S32550 Flanges
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We produce UNS S32550 flanges,S32550 flanges,UNS S32550 Blind Flanges,UNS S32550 Welding Neck Flanges,UNS S32550 Slip On Flanges,UNS S32550 Socket Welding Flanges,UNS S32550 Lap joint Flanges,UNS S32550 Ring joint Flanges,UNS S32550 Slip-on flanges,UNS S32550 Weld Neck Flanges,UNS S32550 WN flanges,UNS S32550 LWN flanges, UNS S32550 Long weld neck flanges,UNS S32550 orifice flanges,UNS S32550 Spectacle blind Flanges,S32550 Spectacle flanges, S32550 spacer ring flanges,UNS S32550 Swivel Ring Flanges,UNS S32550 WNRF Flanges,UNS S32550 SORF Flanges,UNS S32550 SWRF Flanges,UNS S32550 Threaded Flanges,UNS S32550 Ring Type Joint Flanges,UNS S32550 BLRF Flanges,UNS S32550 RTJ Flanges from china

The size of UNS S32550 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS S32550 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS S32550 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS S32550 flanges as per the drawing of the clients

Following is the standard of UNS S32550 flanges that we could do:

American standard of UNS S32550 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 S32550 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS S32550 flanges in BS3293,BS4504,BS10

The Italy standard of S32550 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 S32550 flanges in JIS B27620,

Korean Standard of UNS S32550 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS S32550 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS S32550 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS S32550 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of S32550 flanges in EN1092-1

South african standard of UNS S32550 flanges in SABS-1123/SANS-1123

As per surface treatment of S32550 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of S32550 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS S32550 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 S32550 flanges as per the requirement of the clients

UNS S32550 is a 25% chromium duplex ferritic-austenitic stainless steel designed to provide a superior combination of high strength and excellent corrosion resistance for a wide variety of applications.

The chemical composition of UNS S32550 flanges is as follows

Chemical   Requirements




















The mechanical property of UNS S32550 flanges is as follows

Mechanical   Property Requirements

Ultimate Tensile

Yield Strength (0.2% OS)





760 MPa

550 MPa



We could supply material certificate of UNS S32550 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 S32550 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS S32550 flanges are widely used in many industries,such as Continuous Steam Sterilizer,Chamber Dryer.Size Cooker.Hydro Extractor,Petroleum Refining  fluid catalytic cracking units,high-pressure (microbial) deep-sea sampler and incubation chambers,Mixing tanks,CNG Storage.LNG Cryogenics,Scrubbers and so on

Ask for our Delivery Guarantee for our S32550 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 S32550 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 S32550 flanges, we are glad to quote the best price for your side.

Except UNS S32550 flanges,we also could produce UNS S32550 bars,UNS S32550 plates,UNS S32550 fastener,UNS S32550 bolts,UNS S32550 fittings,UNS S32550 pipes,UNS S32550 tubes,UNS S32550 springs