UNS R30783 Flanges
Home > Products > Flanges

We produce UNS R30783 flanges,R30783 flanges,UNS R30783 Blind Flanges,UNS R30783 Welding Neck Flanges,UNS R30783 Slip On Flanges,UNS R30783 Socket Welding Flanges,UNS R30783 Lap joint Flanges,UNS R30783 Ring joint Flanges,UNS R30783 Slip-on flanges,UNS R30783 Weld Neck Flanges,UNS R30783 WN flanges,UNS R30783 LWN flanges, UNS R30783 Long weld neck flanges,UNS R30783 orifice flanges,UNS R30783 Spectacle blind Flanges,R30783 Spectacle flanges, R30783 spacer ring flanges,UNS R30783 Swivel Ring Flanges,UNS R30783 WNRF Flanges,UNS R30783 SORF Flanges,UNS R30783 SWRF Flanges,UNS R30783 Threaded Flanges,UNS R30783 Ring Type Joint Flanges,UNS R30783 BLRF Flanges,UNS R30783 RTJ Flanges from china

The size of UNS R30783 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS R30783 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS R30783 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS R30783 flanges as per the drawing of the clients

Following is the standard of UNS R30783 flanges that we could do:

American standard of UNS R30783 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 R30783 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS R30783 flanges in BS3293,BS4504,BS10

The Italy standard of R30783 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 R30783 flanges in JIS B27620,

Korean Standard of UNS R30783 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS R30783 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS R30783 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS R30783 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of R30783 flanges in EN1092-1

South african standard of UNS R30783 flanges in SABS-1123/SANS-1123

As per surface treatment of R30783 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of R30783 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS R30783 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 R30783 flanges as per the requirement of the clients

UNS R30783 can be strengthened by a precipitation-hardening heat treatment. The presence of aluminum provides this alloy excellent resistance to oxidation at high temperature.

The chemical composition of UNS R30783 flanges is as follows


Content (%)












0.50 max


0.50 max


0.50 max




0.03 max




0.015 max


0.005 max



The mechanical property of UNS R30783 flanges is as follows



Tensile  strength

1194 MPa

Yield  strength

779 MPa

Poisson’s  ratio


Elastic  modulus

177.3 GPA

Elongation  at break


We could supply material certificate of UNS R30783 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 R30783 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS R30783 flanges are widely used in many industries,such as automotive, railroad, wind energy, construction equipment, mining machinery, medical equipment, aerospace, defense, general machinery etc

Ask for our Delivery Guarantee for our R30783 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 R30783 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 R30783 flanges, we are glad to quote the best price for your side.

Except UNS R30783 flanges,we also could produce UNS R30783 bars,UNS R30783 plates,UNS R30783 fastener,UNS R30783 bolts,UNS R30783 fittings,UNS R30783 pipes,UNS R30783 tubes,UNS R30783 springs