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

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

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

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

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

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

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


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

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

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

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

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

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

European standard of 317 LM flanges in EN1092-1

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

As per surface treatment of 317 LM 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 LM flanges is by forging as per the standard of ASTM B462.

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

317LM possesses good corrosion resistance coupled with good mechanical properties and fabricability

The chemical composition of 317LM flanges is as follows


Content (%)



















The mechanical property of 317LM flanges is as follows



Tensile strength

515 MPa

Yield strength

205 MPa

Elongation at break


Hardness, (HRB)


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

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

Our 317LM flanges are widely used in many industries,such as Feed-water and steam generator tubing in power plants,Brine heaters and evaporator bodies in salt plants,Sulphuric and hydrouoric acid alkylation plants,Industrial heat exchangers,Cladding for crude oil distillation columns,Splash-zone sheathing in offshore structures, seawater service,Plants for isotope separation in the production of nuclear fuel pumps and valves used in the manufacture of chlorinated hydrocarbons and so on

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

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

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