UNS N30188 Flanges
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We produce UNS N30188 flanges,N30188 flanges,UNS N30188 Blind Flanges,UNS N30188 Welding Neck Flanges,UNS N30188 Slip On Flanges,UNS N30188 Socket Welding Flanges,UNS N30188 Lap joint Flanges,UNS N30188 Ring joint Flanges,UNS N30188 Slip-on flanges,UNS N30188 Weld Neck Flanges,UNS N30188 WN flanges,UNS N30188 LWN flanges, UNS N30188 Long weld neck flanges,UNS N30188 orifice flanges,UNS N30188 Spectacle blind Flanges,N30188 Spectacle flanges, N30188 spacer ring flanges,UNS N30188 Swivel Ring Flanges,UNS N30188 WNRF Flanges,UNS N30188 SORF Flanges,UNS N30188 SWRF Flanges,UNS N30188 Threaded Flanges,UNS N30188 Ring Type Joint Flanges,UNS N30188 BLRF Flanges,UNS N30188 RTJ Flanges from china

The size of UNS N30188 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS N30188 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS N30188 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS N30188 flanges as per the drawing of the clients

Following is the standard of UNS N30188 flanges that we could do:

American standard of UNS N30188 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 N30188 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS N30188 flanges in BS3293,BS4504,BS10

The Italy standard of N30188 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 N30188 flanges in JIS B27620,

Korean Standard of UNS N30188 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS N30188 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS N30188 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS N30188 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of N30188 flanges in EN1092-1

South african standard of UNS N30188 flanges in SABS-1123/SANS-1123

As per surface treatment of N30188 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of N30188 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS N30188 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 N30188 flanges as per the requirement of the clients

UNS N30188 has excellent high temperature strength and oxidation resistance to 2100°F (1150°C) combined with good post-aging ductility.

The chemical composition of UNS N30188 flanges is as follows

Chemical Composition Limits

Weight %













UNS  R30188


1.25 max


0.02 max

0.015  max






3 max


The mechanical property of UNS N30188 flanges is as follows

Test  Temp.,

Ultimate  Tensile

Yield  Strength
 at 0.2% offset,

 in 2",

70 (21)




We could supply material certificate of UNS N30188 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 N30188 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS N30188 flanges are widely used in many industries,such as equipment for the manufacture of synthetic rubber, plastics, organic and heavy chemicals, pharmaceuticals, solvents and explosives, petroleum products, etc. Also employed in heat exchangers, mixing tanks, metal cleaning and pickling equipment and process piping and so on

Ask for our Delivery Guarantee for our N30188 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 N30188 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 N30188 flanges, we are glad to quote the best price for your side.

Except UNS N30188 flanges,we also could produce UNS N30188 bars,UNS N30188 plates,UNS N30188 fastener,UNS N30188 bolts,UNS N30188 fittings,UNS N30188 pipes,UNS N30188 tubes,UNS N30188 springs