For Domestic (for India) Email: sales3@jfengg.com / Phone: +91 9833323564 / +91-22-6639 3672
For Export (for other than India) Email: export3@jfengg.com / Phone: +91-9833323751 / +91-22-23634937
JF Engineering Products LLP

Wn | Weld Neck Flange Manufacturers & Suppliers

Weld Neck Flange

Duplex 2205 Weld Neck, UNS S30400 Weld Neck, UNS S32750 Weld Neck, Nickel 200 Weld Neck, 304 Stainless Steel Weld Neck, Hastelloy C276 Weld Neck, Monel 400 Weld Neck, PED Approved Weld Neck, Alloy 20 Weld Neck, ASTM A182 SS 304 Weld Neck, UNS S32760 Weld Neck, Inconel 600 Weld Neck, Duplex 31803 Weld Neck, ASTM A105 Weld Neck.

Jfeindia is a supplier and manufacturer of Wn flanges fro mumbai, India. Where high pressure is required, Weld Neck Flanges is used. These tubes are attached to the neck of the flange by welding the pipe. It helps to lower tension levels from the center's foundation. In various requirements, grade, material, and scale, JF Engineering provide the best weld neck flanges with a hub. These flanges are used in applications with high-pressure factor, with a broad tempered core. It is essential to define the schedule pipe for the ordering of the soldering wn flange.

The inner diameter of the flange matches the inner diameter of the drain. This duplex stainless steel Weld Neck flange with the tube is very resistant to drifting and very strong to the butt-weld joints and the tapered hub. Stainless Steel Weld Neck Flange is an excellent tool used in extreme temperature variations and situations where flanges can be bent and treated extensively. The boron is mechanized to co-ordinate the pipe ID or mounting of the weld collar. This allows the soldering neck to travel smoothly and prevents turbulence. It helps to spread tapered neck tension.

Two designs are made of a carbon steel Weld Neck flange. The API 6A Weld neck flange standard type is used for pipes, while the Weld Neck flange is unsuitable for tubes in long type steel alloy. Therefore, in process plants, this Weld Neck Flange Asme B16.5 is used. Weld Neck Flange is perfect for use in hostile conditions because it can withstand intense temperature, pressure, or other stress sources.

The flanges of these tubes are connected to the neck of the flange by welding the shaft. Instead, this step helps to move tension from the flange to the tubing. The concentration of stress from the hub foundation is also significantly reduced. Weld neck flanges are also used for high-pressure applications. The internal diameter of the flange is needed for the inside diameter of the pipe. Welded neck pipes of a hub are protected by published requirements from 1/2 "to 96" sizes.

The Stainless Steel Weld neck Flange maker typically has three faces with the Weld Neck Flange Jis 5k. It is-a flat face, an uplifting face, or RTJ. For Weld Neck Flange Jis 16k, when the average height is 1/16 of an inch for a weld neck pipe flanges below 400 #, a Weld Neck Flange Raised Face is required. The standard Weld Neck Flange A105 needs a raised face height of 1/4 "for weld neck tubes of 400 # and above.

The Weld Neck Flange Asme B16.5 Class 300 Specification standard includes all Steel Pipe flanges, including Flanged Fittings from NPS 1/2 up to NPS 24 metric/inch and is included in a pressure range from class 150. These Weld Neck flange Din en 1092-1, the pressure ratings, tolerance levels, labeling, and checking, as per Weld Neck Flange Jis 10k. The-weld neck flanges and blind flanges are two very significant flanges that are commonly used in piping systems. The standard for specification ASME B16 5 (ANSI B16 5) only covers flanges up to just 24 inches. Five or B16 5 interchangeability (both are referenced to the same standard).


Duplex 31803 Weld Neck Stockist, ASTM A182 SS 304 Weld Neck Supplier, UNS S32750 Weld Neck Supplier, Monel 400 Weld Neck Stockist, PED Approved Weld Neck Exporter, Inconel 625 Weld Neck Exporter, UNS S30400 Weld Neck Manufacturer, UNS S32760 Weld Neck Stockist, Hastelloy C276 Weld Neck Stockist.

Specification - ASME B16.5 Weld Neck Flange

Weld Neck Flange

Size: 1/2"NB TO 24"NB IN
Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN Standard ND-6,10, 16, 25, 40 Etc.
Materials: Monel :
Grade: Monel 400, Monel K500, Monel R-405
Nickel :
Grade: Nickel 200, Nickel 201
Inconel :
Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718
Incoloy :
Grade: Incoloy 800, Inconel 800H, 800HT
Hastalloy :
Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X
Titanium :
Grade: Gr1, Gr2, Gr3, Gr5, Gr7, Gr11
Stainless Steel :
Grade: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Carbon Steel :
Grade: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
Duplex Steel:
Grade: ASTM / ASME A/SA 182 UNS F44, F45, F51, F53, F55, F60, F61
Alloy Steel:
Grade : ASTM A182 F1, F5, F9, F11, F22, F91
Value Added Service: CNC Machine, Customized Flanges
Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Dimension - ASME B16.5 Weld Neck Flange

NPS 1/2 - O.D. 21.3

CL 150 300 600 900 1500 2500
DIA
A
30 38 38 38 38 43
DIA
D
90 95 95 120 120 135
THK
B
9.6 12.7 14.3 22.3 22.3 30.2
11.2 14.3 20.7 28.7 28.7 36.6
DIA
G
35.1 35.1 35.1 35.1 35.1 35.1
DIA
K
60.3 66.7 66.7 82.6 82.6 88.9
H 46 51 52 60 60 73
47.6 52.6 58.4 66.4 66.4 79.4
NO.
L
4 4 4 4 4 4
DIA
L
15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
DIA
(in)
1/2 1/2 1/2 3/4 3/4 3/4
Len
mm
55 65 75 110 110 120
Other Diameters
NPS 1/2 3/4 1 2
3 4 5 6 8 10
12 14 16 18 20 24  

Notes:

  • Dimensions are in millimeters unless otherwise indicated.
  • The length of the Stud Bolt does not include the height of the chamfers (points).
  • ID = Depending on the wall thickness of the pipe, must be specified by the purchaser.

Weight Chart Of Weld neck Flanges
Nom
Size
150# 300# 600# 900# 1500# 2500#
  WN S/O B/K WN S/O B/K WN S/O B/K WN S/O B/K WN S/O B/K WN S/O B/K
1/2” 0.7 0.4 0.5 0.8 0.7 0.8 0.9 0.8 0.8 2.1 1.8 1.9 2.1 1.8 1.9 3.2 3 3
3/4” 0.8 0.7 0.8 1.4 1.2 1.2 1.6 1.4 1.4 2.7 2.4 2.7 2.7 2.4 2.7 3.6 4 4.5
1” 1.1 0.8 0.9 1.7 1.4 1.5 1.9 1.7 1.7 3.9 3.6 3.7 3.9 3.6 3.7 5.4 5 5
1.1/4” 1.5 1.2 1.3 2.2 1.8 2 2.6 2.1 2.4 4.5 4.1 4.3 4.5 4.1 4.3 7.8 8 8
1.1/2” 1.8 1.4 1.6 3.2 2.7 2.9 3.6 3.1 3.4 6.2 5.4 5.9 6.2 5.4 5.9 11.5 11 11
2” 2.7 2.2 2.6 3.6 3.2 3.5 4.7 3.9 4.4 11.3 10.5 11.3 11.3 10.5 11.3 19 17 17
2.1/2” 4.4 3.5 4.1 5.4 4.5 5.3 4.8 5.4 6.8 16.3 15.8 16 16.3 15.8 16 24 25 25
3” 5.2 3.8 5.1 7.3 5.9 7.2 8.7 7.3 8.9 15 12.3 16.8 21 21.5 19.5 42.6 38 39
3-1/2” 6.4 5 6.5 8.9 7.5 9.2 11.6 9 12.7
4” 7.5 5.6 7.5 11.8 10 12.2 18.4 16.5 18.6 24 23.2 24.5 31.8 31 33 64 58 60
5” 9.2 6.5 9.2 16 12.5 16 31 28.5 30.8 38.5 37.5 39.5 59 58.8 60 111 95 101
6” 11.0 8.1 11.8 20.2 16.5 22 37 36.2 38 50 48.3 51.5 72 74 75 171 146 156
8” 18.4 13 20.4 31.2 25.5 36 54.5 51.5 62.2 85 75 89 124 112 125 261 220 242
10” 25.5 18.4 31 44.3 35 55 98.5 76.2 102 123 110 131 207 184 215 485 420 465
12” 37 28.5 47 63.5 52 82.5 105 89.5 132 168 146 187 306 264 316 698 590 665
14” 51 37.5 60 86 73 108 150 102 158 198 172 224 416
16” 61.5 44.5 61 112 88 139 177 150 225 225 192 259 567
18” 71.5 54 93 141 115 178 228 180 285 318 272 383 736
20” 85 72 127 173 139 228 285 231 365 376 330 482 929
24” 119 95 190 248 212 350 372 330 532 680 632 905 1504

Price List Of WN Flanges
Stainless Steel Weld Neck Flanges USD $2.07 - $10.08 / Piece (FOB Price) on request
High Nickel Alloys Weld Neck Flanges USD $8.12 - $20.22 / Piece (FOB Price) on request
Duplex & Super Duplex Weld Neck Flanges USD $10.22 - $35.52 / Piece (FOB Price) on request
Cupro Nickel Weld Neck Flanges USD $5.21 - $10.50 / Piece (FOB Price) on request
Carbon Steel Weld Neck Flanges USD $2.10 - $7.12 / Piece (FOB Price) on request
Marking and Packing

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All pipes are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.


  • Wooden Boxes
  • Wooden Pallets
  • Shrink-Wrapped
  • Carton Boxes
  • Wooden Boxes
  • Marking and Packing
    Quality Assurance
    Quality Assurance

    At JF Engineering Products LLP, all fasteners are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.


    Testing

    Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report


    • Positive Material Identification - PMI Testing
    • Chemical Analysis - Spectro Analysis
    • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
    • Micro Test
    • Macro Test
    • Hardness Test
    • Pitting Resistance Test
    • Intergranular Corrosion (IGC) Test
    • Flaring Test
    • Flattening Test
    • Hydrostatic Test
    • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
    • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
    • Radiography Test
    • Dye Penetrant Test (DP Test)
    Testing
    SHIPPING POLICY
    SHIPPING POLICY

    Delivery time and delivery dates are based on the "type and quantity" of steel ordered. Our sales team will provide a delivery schedule when quoting to you. On rare occasions the delivery schedule may change so please check with our sales department when placing any orders.

    Orders will be sent out within 2-3 business days, and may take up to 5-10 business days in transit. If fastener is out of stock, orders may take up to 2-4 weeks to ship. JF Engineering Products LLP will notify buyer if this situation occurs.


    Uses & Application

    JF Engineering Products LLP take immensure pleasure in introducing itself as one of the leading Manufacturer & Exporter of high quality fasteners to meet the customer ultimate requirements in the fields of:


  • Construction
  • Bridges
  • Petrochemical Industry
  • Ship Building
  • Engineering
  • General Structural Purposes
  • Offshore and Onshore Services
  • Power Generation Industries
  • Food Processing Industries
  • Oil & Gas Industries
  • Sugar Industries
  • Long Radius Bend

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