UNS R30556 Flanges
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We produce UNS R30556 flanges,R30556 flanges,UNS R30556 Blind Flanges,UNS R30556 Welding Neck Flanges,UNS R30556 Slip On Flanges,UNS R30556 Socket Welding Flanges,UNS R30556 Lap joint Flanges,UNS R30556 Ring joint Flanges,UNS R30556 Slip-on flanges,UNS R30556 Weld Neck Flanges,UNS R30556 WN flanges,UNS R30556 LWN flanges, UNS R30556 Long weld neck flanges,UNS R30556 orifice flanges,UNS R30556 Spectacle blind Flanges,R30556 Spectacle flanges, R30556 spacer ring flanges,UNS R30556 Swivel Ring Flanges,UNS R30556 WNRF Flanges,UNS R30556 SORF Flanges,UNS R30556 SWRF Flanges,UNS R30556 Threaded Flanges,UNS R30556 Ring Type Joint Flanges,UNS R30556 BLRF Flanges,UNS R30556 RTJ Flanges from china

The size of UNS R30556 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce UNS R30556 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of UNS R30556 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce UNS R30556 flanges as per the drawing of the clients

Following is the standard of UNS R30556 flanges that we could do:

American standard of UNS R30556 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 R30556 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of UNS R30556 flanges in BS3293,BS4504,BS10

The Italy standard of R30556 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 R30556 flanges in JIS B27620,

Korean Standard of UNS R30556 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of UNS R30556 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of UNS R30556 flanges in ISO 7005-1,ISO 9624

Russian standard of UNS R30556 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of R30556 flanges in EN1092-1

South african standard of UNS R30556 flanges in SABS-1123/SANS-1123

As per surface treatment of R30556 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of R30556 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of UNS R30556 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 R30556 flanges as per the requirement of the clients

UNS R30556 is An iron-nickel-chromium-cobalt alloy that combines effective resistance to sulfidizing, carburizing and chlorine-bearing environments with good oxidation resistance, fabricability and excellent high-temperature strength.

The chemical composition of UNS R30556 flanges is as follows

Chemistry Data : [top]


0.1 - 0.5


0.02 min


0.05 - 0.15


21 - 23


16 - 21




0.005 - 0.1


0.5 - 2


2.5 - 4


19 - 22.5


0.3 max


0.1 - 0.3


0.04 max


0.2 - 0.8


0.15 max


0.3 - 1.25


2 - 3.5


0.001 - 0.1

The mechanical property of UNS R30556 flanges is as follows

Mechanical Properties

Ultimate Tensile Strength, KSI

.2% Yield Strength KSI

Elongation %

MIN 118

MIN 59.5

MIN 47.7

We could supply material certificate of UNS R30556 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 R30556 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our UNS R30556 flanges are widely used in many industries,such as Sanitary ,valve production,Gas technology,Heating technology,Welding / cutting technology,Construction industry,Soldering technology,Connecting technologyMeasurement technology,Pump production,Regulating / controlling technology,Air-conditioning technology,Automotive electrics,Musical instruments,Fire safetyDrive systems and so on

Ask for our Delivery Guarantee for our R30556 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 R30556 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 R30556 flanges, we are glad to quote the best price for your side.

Except UNS R30556 flanges,we also could produce UNS R30556 bars,UNS R30556 plates,UNS R30556 fastener,UNS R30556 bolts,UNS R30556 fittings,UNS R30556 pipes,UNS R30556 tubes,UNS R30556 springs