UNS S34800 Flanges
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We produce UNS S34800 flanges,S34800 flanges,UNS S34800 Blind Flanges,UNS S34800 Welding Neck Flanges,UNS S34800 Slip On Flanges,UNS S34800 Socket Welding Flanges,UNS S34800 Lap joint Flanges,UNS S34800 Ring joint Flanges,UNS S34800 Slip-on flanges,UNS S34800 Weld Neck Flanges,UNS S34800 WN flanges,UNS S34800 LWN flanges, UNS S34800 Long weld neck flanges,UNS S34800 orifice flanges,UNS S34800 Spectacle blind Flanges,S34800 Spectacle flanges, S34800 spacer ring flanges,UNS S34800 Swivel Ring Flanges,UNS S34800 WNRF Flanges,UNS S34800 SORF Flanges,UNS S34800 SWRF Flanges,UNS S34800 Threaded Flanges,UNS S34800 Ring Type Joint Flanges,UNS S34800 BLRF Flanges,UNS S34800 RTJ Flanges from china

The size of UNS S34800 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS S34800 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS S34800 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS S34800 flanges as per the drawing of the clients

Following is the standard of UNS S34800 flanges that we could do:

American standard of UNS S34800 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 S34800 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS S34800 flanges in BS3293,BS4504,BS10

The Italy standard of S34800 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 S34800 flanges in JIS B27620,

Korean Standard of UNS S34800 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS S34800 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS S34800 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS S34800 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of S34800 flanges in EN1092-1

South african standard of UNS S34800 flanges in SABS-1123/SANS-1123

As per surface treatment of S34800 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of S34800 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS S34800 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 S34800 flanges as per the requirement of the clients

UNS S34800 is sightly tougher than grade 304 stainless steel.

The chemical composition of UNS S34800 flanges is as follows


0.08 max


17 - 19


0.2 max




2 max


9 - 13


Min:10 x C


0.045 max


1 max


0.03 max


0.1 max

The mechanical property of UNS S34800 flanges is as follows



Tensile strength

655 MPa

Yield strength (@ strain 0.200%)

275 MPa

Charpy impact

160 J

Elongation at break (in 50 mm)


Hardness, Brinell (converted from Rockwell B hardness)


We could supply material certificate of UNS S34800 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 S34800 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS S34800 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 S34800 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 S34800 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 S34800 flanges, we are glad to quote the best price for your side.

Except UNS S34800 flanges,we also could produce UNS S34800 bars,UNS S34800 plates,UNS S34800 fastener,UNS S34800 bolts,UNS S34800 fittings,UNS S34800 pipes,UNS S34800 tubes,UNS S34800 springs