UNS R31233 Flanges
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We produce UNS R31233 flanges,R31233 flanges,UNS R31233 Blind Flanges,UNS R31233 Welding Neck Flanges,UNS R31233 Slip On Flanges,UNS R31233 Socket Welding Flanges,UNS R31233 Lap joint Flanges,UNS R31233 Ring joint Flanges,UNS R31233 Slip-on flanges,UNS R31233 Weld Neck Flanges,UNS R31233 WN flanges,UNS R31233 LWN flanges, UNS R31233 Long weld neck flanges,UNS R31233 orifice flanges,UNS R31233 Spectacle blind Flanges,R31233 Spectacle flanges, R31233 spacer ring flanges,UNS R31233 Swivel Ring Flanges,UNS R31233 WNRF Flanges,UNS R31233 SORF Flanges,UNS R31233 SWRF Flanges,UNS R31233 Threaded Flanges,UNS R31233 Ring Type Joint Flanges,UNS R31233 BLRF Flanges,UNS R31233 RTJ Flanges from china

The size of UNS R31233 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS R31233 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS R31233 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS R31233 flanges as per the drawing of the clients

Following is the standard of UNS R31233 flanges that we could do:

American standard of UNS R31233 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 R31233 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS R31233 flanges in BS3293,BS4504,BS10

The Italy standard of R31233 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 R31233 flanges in JIS B27620,

Korean Standard of UNS R31233 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS R31233 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS R31233 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS R31233 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of R31233 flanges in EN1092-1

South african standard of UNS R31233 flanges in SABS-1123/SANS-1123

As per surface treatment of R31233 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of R31233 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS R31233 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 R31233 flanges as per the requirement of the clients

UNS R31233 possesses high tensile strength when compared to many duplex stainless steels combined with excellent impact toughness and ductility

The chemical composition of UNS R31233 flanges is as follows

Nickel : 9 Carbon : 0.06 max

Chrominium : 26 ,Manganese : 0.8 max

Cobalt : 54 Silcon : 0.3 max

Molybdenum : 5 Nitrogen : 0.08 max

Tungsten : 2 Iron : 3

The mechanical property of UNS R31233 flanges is as follows

Typical Room  Temperature Tensile Data, Aged Material


Ultimate Tensile Strength,

Yield Strength at 0.2%    Offset,

Elongation in 2 in. (50.8    mm),





We could supply material certificate of UNS R31233 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 R31233 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS R31233 flanges are widely used in many industries,such as Drilling & Boring Equipment ,Wellhead Manufacture,Repair or Servicing Companies,Pipeline Construction & Repair.Pumping & Refining Equipment,Oil Extraction Systems,Oil Rig Construction,Repair & Maintenance Subcontractors ,Upstream, Midstream or Downstream Service Providers .Isolation Valves & Choke Equipment Manufacturers,Submersible Watercraft and so on

Ask for our Delivery Guarantee for our R31233 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 R31233 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 R31233 flanges, we are glad to quote the best price for your side.

Except UNS R31233 flanges,we also could produce UNS R31233 bars,UNS R31233 plates,UNS R31233 fastener,UNS R31233 bolts,UNS R31233 fittings,UNS R31233 pipes,UNS R31233 tubes,UNS R31233 springs