17-7Ph Flanges
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We produce 17-7Ph flanges,17-7 Ph flanges,17-7Ph Blind Flanges,17-7Ph Welding Neck Flanges,17-7Ph Slip On Flanges,17-7Ph Socket Welding Flanges,17-7Ph Lap joint Flanges,17-7Ph Ring joint Flanges,17-7Ph Slip-on flanges,17-7Ph Weld Neck Flanges,17-7Ph WN flanges,17-7Ph LWN flanges, 17-7Ph Long weld neck flanges,Nimonic 90 orifice flanges,17-7Ph Spectacle blind Flanges,17-7 Ph Spectacle flanges, 17-7 Ph spacer ring flanges,17-7Ph Swivel Ring Flanges,17-7Ph WNRF Flanges,17-7Ph SORF Flanges,17-7Ph SWRF Flanges,17-7Ph Threaded Flanges,17-7Ph Ring Type Joint Flanges,17-7Ph BLRF Flanges,17-7Ph RTJ Flanges from china
The size of 17-7Ph flanges that we could do is from 1/2” – 96”, DN15-DN2000
We could produce 17-7Ph flanges with pressre from 150LB-2500LB or PN6-PN100
The face of 17-7Ph flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Also we could produce 17-7Ph flanges as per the drawing of the clients
Following is the standard of 17-7Ph flanges that we could do:
American standard of 17-7Ph 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 17-7Ph flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);
British standard of 17-7Ph flanges in BS3293,BS4504,BS10
The Italy standard of 17-7 Ph 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 17-7Ph flanges in JIS B27620,
Korean Standard of 17-7Ph flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.
Australian standard of 17-7Ph flanges in AS 4087,AS 2129,AS/NZS 4320.1
ISO standsard of 17-7Ph flanges in ISO 7005-1,ISO 9624
Russian standard of 17-7Ph flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.
European standard of 17-7 Ph flanges in EN1092-1
South african standard of 17-7Ph flanges in SABS-1123/SANS-1123
As per surface treatment of 17-7 Ph flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients
The material grade of 17-7 Ph flanges is by forging as per the standard of ASTM B462.
We could do solution treatment, ageing treatment for 17-7Ph flanges as per the requirement of the clients
17-7Ph is a precipitationhardening stainless steel

The chemical composition of 17-7Ph flanges is as follows

Chemistry Data :[top]


0.75 - 1.5


0.09 max


16 - 18




1 max


6.5 - 7.75


0.04 max


1 max


0.04 max

The mechanical property of 17-7Ph flanges is as follows



Ultimate Tensile Strength (MPA)

0.2 % Yield Strength (MPA)

Elongation % in 2D

% Reduction of Area

Rockwell C Hardness


Cond A

1164 min

959 min



363 HB min

In order to control the quanlity of 17-7Ph 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 17-7Ph flanges  as per the standard of EN10204-3.1 or EN10204-3.2 of third party(like TUV,DNV,GL and so on)
Our 17-7Ph flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.
Our 17-7Ph flanges are widely used in many industries,such as automotive, railroad, wind energy, construction equipment, mining machinery, medical equipment, aerospace, defense, general machinery etc

As per packing of 17-7Ph flanges, we will use  Veneer Case or Plywood Case
Please send us the drawing of 17-7Ph flanges, we are glad to quote the best price for your side.
Except 17-7Ph flanges,we also could produce 17-7Ph bars,17-7Ph plates,17-7Ph fasteners,17-7Ph bolts,17-7Ph pipe fittings,17-7Ph pipes,17-7Ph tubes,17-7Ph springs