UNS N07751 Flanges
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We produce UNS N07751 flanges,UNS NO7751 flanges,UNS N07751 Blind Flanges,UNS N07751 Welding Neck Flanges,UNS N07751 Slip On Flanges,UNS N07751 Socket Welding Flanges,UNS N07751 Lap joint Flanges,UNS N07751 Ring joint Flanges,UNS N07751 Slip-on flanges,UNS N07751 Weld Neck Flanges,UNS N07751 WN flanges,UNS N07751 LWN flanges, UNS N07751 Long weld neck flanges,Nimonic 90 orifice flanges,UNS N07751 Spectacle blind Flanges,UNS NO7751 Spectacle flanges, UNS NO7751 spacer ring flanges,UNS N07751 Swivel Ring Flanges,UNS N07751 WNRF Flanges,UNS N07751 SORF Flanges,UNS N07751 SWRF Flanges,UNS N07751 Threaded Flanges,UNS N07751 Ring Type Joint Flanges,UNS N07751 BLRF Flanges,UNS N07751 RTJ Flanges from china

The size of UNS N07751 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS N07751 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS N07751 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS N07751 flanges as per the drawing of the clients

Following is the standard of UNS N07751 flanges that we could do:

American standard of UNS N07751 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 N07751 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS N07751 flanges in BS3293,BS4504,BS10

The Italy standard of UNS NO7751 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 N07751 flanges in JIS B27620,

Korean Standard of UNS N07751 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS N07751 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS N07751 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS N07751 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of UNS NO7751 flanges in EN1092-1

South african standard of UNS N07751 flanges in SABS-1123/SANS-1123

As per surface treatment of UNS NO7751 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 NO7751 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS N07751 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 N07751 flanges as per the requirement of the clients

UNS N07751 offers high strength at operating temperatures, high hot hardness for wear resistance, and corrosion resistance in hot exhaust gases containing lead oxide, sulfur, bromine, and chlorine

The chemical composition of UNS N07751 flanges is as follows


Content (%)


≥ 70








≤ 1






≤ 0.50


≤ 0.50


≤ 0.10


≤ 0.010

The mechanical property of UNS N07751 flanges is as follows



Tensile Strength (precipitation hardened, value at room  temperature)

1275 MPa

Yield strength (at strain 200%, precipitation hardened,  value at room temperature)

875 MPa

Elongation at break (precipitation hardened)


We could supply material certificate of UNS N07751 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 N07751 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS N07751 flanges are widely used in many industries,such as ANCILLARY INDUSTRIES,Alternative Fuel Systems,Research & Design Projects,Geothermal Power Plants,Wind Farm Maintenance ,Solar (Photovoltaics) Power Equipment ,Hydro-Electric Power Plant,Coal-fueled, Oil-fueled or Nuclear Power Plant Maintenance ,Natural Gas Storage & Plant Maintenance Boiler Systems ,Turbine Manufacturers ,Transmission, Distribution & Storage Equipment Manufacturers,Motors & Generators and so on

Ask for our Delivery Guarantee for our UNS NO7751 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 N07751 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 N07751 flanges, we are glad to quote the best price for your side.

Except UNS N07751 flanges,we also could produce UNS N07751 bars,UNS N07751 plates,UNS N07751 fastener,UNS N07751 bolts,UNS N07751 fittings,UNS N07751 pipes,UNS N07751 tubes,UNS N07751 springs