A182-F51 Flanges
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We produce A182-F51 flanges,A182 F51 flanges,A182-F51 Blind Flanges,A182-F51 Welding Neck Flanges,A182-F51 Slip On Flanges,A182-F51 Socket Welding Flanges,A182-F51 Lap joint Flanges,A182-F51 Ring joint Flanges,A182-F51 Slip-on flanges,A182-F51 Weld Neck Flanges,A182-F51 WN flanges,A182-F51 LWN flanges, A182-F51 Long weld neck flanges,Nimonic 90 orifice flanges,A182-F51 Spectacle blind Flanges,A182 F51 Spectacle flanges, A182 F51 spacer ring flanges,A182-F51 Swivel Ring Flanges,A182-F51 WNRF Flanges,A182-F51 SORF Flanges,A182-F51 SWRF Flanges,A182-F51 Threaded Flanges,A182-F51 Ring Type Joint Flanges,A182-F51 BLRF Flanges,A182-F51 RTJ Flanges from china
The size of A182-F51 flanges that we could do is from 1/2” – 96”, DN15-DN2000
We could produce A182-F51 flanges with pressre from 150LB-2500LB or PN6-PN100
The face of A182-F51 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Also we could produce A182-F51 flanges as per the drawing of the clients
Following is the standard of A182-F51 flanges that we could do:
American standard of A182-F51 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 A182-F51 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);
British standard of A182-F51 flanges in BS3293,BS4504,BS10
The Italy standard of A182 F51 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 A182-F51 flanges in JIS B27620,
Korean Standard of A182-F51 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.
Australian standard of A182-F51 flanges in AS 4087,AS 2129,AS/NZS 4320.1
ISO standsard of A182-F51 flanges in ISO 7005-1,ISO 9624
Russian standard of A182-F51 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.
European standard of A182 F51 flanges in EN1092-1
South african standard of A182-F51 flanges in SABS-1123/SANS-1123
As per surface treatment of A182 F51 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients
The material grade of A182 F51 flanges is by forging as per the standard of ASTM B462.
We could do solution treatment, ageing treatment for A182-F51 flanges as per the requirement of the clients
A182-F51 is a duplex stainless steel with a 50:50 austenite, ferrite microstructure.

The chemical composition of A182-F51 flanges is as follows

Chemical Composition Limits












0.03 max

2.0 max

0.03 max

0.02 max

1 max





The mechanical property of A182-F51 flanges is as follows


Tensile Strength N/mm²

Proof Strength 0.2% N/mm²

Elongation (%)

Hardness Brinell






In order to control the quanlity of A182-F51 flanges, our workshop has followsing inspection equipment:Impact testing machine ,Magnetic particle flaw detector ,Metallographic Microscope ,Portable Spectrometer ,Ultrasonic Flaw Detector ,Universal testing machine ,Hardness testing machine
We could supply material certificate of A182-F51 flanges  as per the standard of EN10204-3.1 or EN10204-3.2 of third party(like TUV,DNV,GL and so on)
Our A182-F51 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.
Our A182-F51 flanges are widely used in many industries,such as mechanical engineering, in harbour cranes, ship deck cranes, truck cranes and construction cranes as well as in excavators, antenna systems, in aviation and aerospace, in the offshore technology, rail vehicles, telescopes, tunnelling machines, wind energy turbines, underwater turbines and solar energy plants and so on

As per packing of A182-F51 flanges, we will use  Veneer Case or Plywood Case
Please send us the drawing of A182-F51 flanges, we are glad to quote the best price for your side.
Except A182-F51 flanges,we also could produce A182-F51 bars,A182-F51 plates,A182-F51 fasteners,A182-F51 bolts,A182-F51 pipe fittings,A182-F51 pipes,A182-F51 tubes,A182-F51 springs