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2.4851 Flanges
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We produce 2.4851 flanges,EN 2.4851 flanges,2.4851 Blind Flanges,2.4851 Welding Neck Flanges,2.4851 Slip On Flanges,2.4851 Socket Welding Flanges,2.4851 Lap joint Flanges,2.4851 Ring joint Flanges,2.4851 Slip-on flanges,2.4851 Weld Neck Flanges,2.4851 WN flanges,2.4851 LWN flanges, 2.4851 Long weld neck flanges,2.4851 orifice flanges,2.4851 Spectacle blind Flanges,EN 2.4851 Spectacle flanges, EN 2.4851 spacer ring flanges,2.4851 Swivel Ring Flanges,2.4851 WNRF Flanges,2.4851 SORF Flanges,2.4851 SWRF Flanges,2.4851 Threaded Flanges,2.4851 Ring Type Joint Flanges,2.4851 BLRF Flanges,2.4851 RTJ Flanges from china

The size of 2.4851 flanges that we could do is from 1/2” – 96”, DN15-DN2000

We could produce 2.4851 flanges with pressre from 150LB-2500LB or PN6-PN100

The face of 2.4851 flanges that we could do is in Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Also we could produce 2.4851 flanges as per the drawing of the clients

Following is the standard of 2.4851 flanges that we could do:

American standard of 2.4851 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 2.4851 flanges in DIN 2630,2620,2632,2633,2634,2635,2636,2637,2638,2501(WN);

DIN2573,2576,2527,2655,2656(PL);DIN2566.

British standard of 2.4851 flanges in BS3293,BS4504,BS10

The Italy standard of EN 2.4851 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 2.4851 flanges in JIS B27620,

Korean Standard of 2.4851 flanges in KSB 1503,KSB 6216,KSB 2332,KSB 2333,KSD 3578,KSD 4308.

Australian standard of 2.4851 flanges in AS 4087,AS 2129,AS/NZS 4320.1

ISO standsard of 2.4851 flanges in ISO 7005-1,ISO 9624

Russian standard of 2.4851 flanges in GOST 12820,GOST 12821,GOST 12836,GOST 12820-80,GOST 12821-80,GOST 12836-80.

European standard of EN 2.4851 flanges in EN1092-1

South african standard of 2.4851 flanges in SABS-1123/SANS-1123

As per surface treatment of EN 2.4851 flange, we could do Anti-rust Oil;Black /Yellow Paint;Hot-dipped Galvanization as per the requirement of the clients

The material grade of EN 2.4851 flanges is by forging as per the standard of ASTM B462.

We will do following testing to control the quality of 2.4851 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 2.4851 flanges as per the requirement of the clients

2.4851  is a standard material of construction for various types of thermal-processing equipment

The chemical composition of 2.4851 flanges is as follows

Ni..........................................................................58.0-63.0

Cr....................................................................21.0-25.0

Fe............................................................................Remainder

Al........................................................................1.0-1.7

C........................................................................0.10max.

Mn...................................................................1.0 max.

S ........................................................................0.015max.

Si.........................................................................0.50max.

Cu..........................................................................1.0max.


The mechanical property of 2.4851 flanges is as follows

Mechanical Properties
Typical room temperature Properties

Tensile (MPA)

.2% Yield (MPA)

Elongation (%)

552

206

35


We could supply material certificate of 2.4851 flanges  as per the standard of EN10204-3.1 or EN10204-3.2 of third party(like TUV,DNV,GL and so on)

Our 2.4851 flanges will be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN102768.

Our 2.4851 flanges are widely used in many industries,such as Valves,Oil Refineries,Petrochemical,Heat Exchangers & Pressure Vessels,Oil & Gas,Pumps.Mining.Paper Mills,Lock & Dam.Agricultural Equipment.Chemical Processing.Metal Fabrication,Marine,Oil Tools & Production,Food and so on


Ask for our Delivery Guarantee for our EN 2.4851 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 2.4851 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 2.4851 flanges, we are glad to quote the best price for your side.

Except 2.4851 flanges,we also could produce 2.4851 bars,2.4851 plates,2.4851 fastener,2.4851 bolts,2.4851 fittings,2.4851 pipes,2.4851 tubes,2.4851 springs