317LMN Flanges
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We produce 317LMN flanges,317 LMN flanges,317LMN Blind Flanges,317LMN Welding Neck Flanges,317LMN Slip On Flanges,317LMN Socket Welding Flanges,317LMN Lap joint Flanges,317LMN Ring joint Flanges,317LMN Slip-on flanges,317LMN Weld Neck Flanges,317LMN WN flanges,317LMN LWN flanges, 317LMN Long weld neck flanges,Nimonic 90 orifice flanges,317LMN Spectacle blind Flanges,317 LMN Spectacle flanges, 317 LMN spacer ring flanges,317LMN Swivel Ring Flanges,317LMN WNRF Flanges,317LMN SORF Flanges,317LMN SWRF Flanges,317LMN Threaded Flanges,317LMN Ring Type Joint Flanges,317LMN BLRF Flanges,317LMN RTJ Flanges from china

The size of 317LMN flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce 317LMN flanges with pressre from 150LB-2500LB or PN6-PN100

The face of 317LMN flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce 317LMN flanges as per the drawing of the clients

Following is the standard of 317LMN flanges that we could do:

American standard of 317LMN 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 317LMN flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);


British standard of 317LMN flanges in BS3293,BS4504,BS10

The Italy standard of 317 LMN 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 317LMN flanges in JIS B27620,

Korean Standard of 317LMN flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of 317LMN flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of 317LMN flanges in ISO 7005-1,ISO 9624

Russian standard of 317LMN flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of 317 LMN flanges in EN1092-1

South african standard of 317LMN flanges in SABS-1123/SANS-1123

As per surface treatment of 317 LMN flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of 317 LMN flanges is by forging as per the standard of ASTM B462.

We could do solution treatment, ageing treatment for 317LMN flanges as per the requirement of the clients

317LMN offers higher creep, stress-to-rupture, and tensile strengths at elevated temperatures than other conventional stainless steels.

The chemical composition of 317LMN flanges is as follows


Content (%)




17 – 20


13.5 - 17.5








0.10 - 0.20







The mechanical property of 317LMN flanges is as follows



Ultimate tensile strength

614 MPa

Yield strength

317 MPa

Elongation at break


Reduction in area


Hardness, Rockwell


In order to control the quanlity of 317LMN 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 317LMN flanges  as per the standard of EN10204-3.1 or EN10204-3.2 of third party(like TUV,DNV,GL and so on)

Our 317LMN flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our 317LMN flanges are widely used in many industries,such as bearing industry, power-generation including steam and gas-turbine, wind energy, mining and construction equipment, oil & gas, petrochemical, defense, rail transportation, and a wide variety of general industrial applications and so on

As per packing of 317LMN flanges, we will use  Veneer Case or Plywood Case

Please send us the drawing of 317LMN flanges, we are glad to quote the best price for your side.

Except 317LMN flanges,we also could produce 317LMN bars,317LMN plates,317LMN fasteners,317LMN bolts,317LMN pipe fittings,317LMN pipes,317LMN tubes,317LMN springs