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We are high quality carbon steel weld neck flanges manufacturer in India


Stainless Steel Weld Neck Flanges



Stainless steel weld neck flanges specification

Size Range Of SS Weld Neck Flange Facing Types Wall Thickness Of ASTM A105 Weld Neck Flange
  • 1/2" to 48"
  • DN15 - DN1200
  • PN 2.5 - PN 400
  • Raised Face Weld Neck Flanges
  • Flat Face Weld Neck Flanges
  • RTJ Weld Neck Flanges
  • Tongue and Groove (T&G)
  • Male Female face (M&F)
  • SCH 10
  • SCH 20
  • SCH 40
  • SCH 60
  • SCH 80
  • SCH 100
  • SCH 120
  • SCH 160
  • SCH 180
  • SCH XXS
Sizes Of ASME B16.47 Weld Neck Flanges DIN Standard Bolts Hole
  • Series A : Clas 150/ 300/ 400 : 26 to 60 Inch
  • Series A : Clas 900 : to 48 Inch
  • Series B : Class 75/ 150/ 300 : 26 to 60 Inch
  • Series B : Class 400/ 600/ 900 : 26 to 36 Inch
  • DIN 2633 weld neck flange
  • DIN 2635 weld neck flange
4 To 24
Types of Stainless Steel Weld Neck Flange Pressure Class Manufacturing Origin and Standards
  • Reducing weld neck flange
  • Flange with neck
  • Weld neck blind flange
  • Weld neck orifice flange
  • Weld neck blind flange
  • Weld neck blind flange
  • welding flange
  • 150 LB up to 24 inches
  • 300 LB up to 20 inches
  • 600 LB up to 20 inches
  • 900 LB up to 16 inches
  • 1500 LB up to 10 inches
  • 2500 LB up to 8 inches
  • AWWA - USA
  • ANSI B16.5 - USA
  • PN 10 to PN400- Europe
  • BS 10- Australia and UK
  • BS EN 1092-1 - Europe
  • Ghost - Russia
  • MSS SP44 - USA
  • UNI 2276/ 6091 - Italy
  • DIN- Germany
  • JIS - Japan
  • API-605 - USA
  • ASME B16.5- USA
Size Range Of PN Standards as per (EN 1092-1 Type 11) Application Buying Tips Of WN flange
  • PN 10 : DN10 - DN3000
  • PN 16: DN10 - DN2000
  • PN 25: DN10 - DN2000
  • PN 40: DN10 - DN600
  • Gas & Oil applications
  • Industrial piping connection
  • Aerospace constructions
  • Petrochemical plants
  • Nuclear power
  • Refinery industry
  • Size
  • End Type
  • Thickness
  • Mass
  • Materials
  • Tested
  • Style
  • Length
  • O.D.
  • Pressure Rating
  • Type
Markings Method Available Coating WNRF Flanges Machining Process
  • Face type
  • Schedule
  • Country origin
  • Size
  • Grade
  • Heat Number
  • Manufacturer logo
  • ASTM material
  • Pressure rating
  • Anti-rust oil
  • Oil black paint
  • Zinc plated
  • Hot dip galvanized
  • Yellow paint
  • Heat treatment
  • Forming
  • Material selection
  • Quality control
  • Forging
  • Machining
  • Surface finish
  • Material cutting
  • Shaping
  • Inspection
Test Certification Value Added Services Of carbon steel weld neck flange Inspection Checklist
EN 10204 3.1
  • Coating
  • Marking tagging
  • MTR certification
  • Polishing
  • Beveling end
  • Cutting
  • Impact test
  • Hardness test
  • Tensile test
  • Material inspection
  • PMI test
  • Visual inspection
Manufacturing Way Others Name Of WN Flanges Surface
  • Forged
  • Cast
  • Plate
  • Well neck flange
  • Welded flanges
  • Straight hub welding flanges
  • Welding neck flange
  • Ring joint surface
  • Concave and convex surfaces
  • Flat surfaces
  • Convex surfaces
  • Grooved surface
Equipment Of Flat Face Weld Neck Flange Production ASME Standards
  • Sand-blasting machine
  • Pushing machine
  • Electric bevelling machine
  • Press machine
  • Bending machine
  • Raw Material
  • Inspection
  • Cutting
  • Forging
  • Heat Treatment
  • Forging Rolling
  • Final Inspection
  • Rust Prevention
  • Marking
  • Heat Number
  • Packaging
  • ASME B16.5
  • ANSI B16.5
  • ASME B16.47

Inspect the surface finish of the well neck flange in Class 150 to 2500, and compare our prices with those of other welding neck flange suppliers in Mumbai



Surface finish of WNRF flange

  • Serrated finish
  • Mirror finish
  • Smooth finish
  • Stock finish
  • Spiral serrated
  • Cold water finish
  • Concentric serrated
Carbon steel weld neck flange price

Check the difference between raised face weld neck flange and flat face weld neck flange face types, welding process of WN flange

Carbon steel weld neck flange price

(Grade : A105, SCH 40, Face : RF, Class 150) Price per piece in US Dollar

  • 3/4 inch
  • 1/2 inch
  • 1 inch
  • 1 1/2 inch
  • 2 inch
  • 2 1/4 inch
  • 2 1/2 inch
  • 3 inch
  • 3 1/2 inch
  • 4 inch
  • 6 inch
  • US $1.20
  • US $1.80
  • US $2.64
  • US $3.96
  • US $4.97
  • US $6.33
  • US $8.14
  • US $9.62
  • US $11.06
  • US $12.61
  • US $14.23

Difference between face types of FF & RF in weld neck flange

Difference between face types of FF & RF in weld neck flange


Welding process of WN flange

Welding process of WN flange

Raised face weld neck flange thickness chart

Size Wall Thickness DN
1/2 9.6 15
3/4 11.2 20
1 12.7 25
1 1/4 14.3 32
1 1/2 15.9 40
2 17.5 50
2 1/2 20.7 65
3 22.3 80
3 1/2 22.3 90
4 22.3 100
5 22.3 125
6 23.9 150
8 27 200
10 28.6 250
12 30.2 300
14 33.4 350
16 35 400
18 38.1 450
20 41.3 500
24 46.1 600


Most selling types of ASME B16.5 weld neck flange

SS weld neck flange

SS weld neck flange

Carbon steel weld neck flange

Carbon steel weld neck flange

WNRF flange

WNRF flange

Raised face weld neck flange

Raised face weld neck flange

Flat face weld neck flange

Flat face weld neck flange

WN flange

WN flange

Well neck flange

Well neck flange

Welding neck flange

Welding neck flange

Reducing weld neck flange

Reducing weld neck flange

Welded flanges

Welded flanges

RFWN flange

RFWN flange

Flange with neck

Flange with neck

Weld neck orifice flange

Weld neck orifice flange

welding flange

Welding flange

Straight hub welding flanges

Straight hub welding flanges



Weld neck flange material specification

Super Duplex Weld Neck Flanges Duplex Weld Neck Flanges Titanium Weld Neck Flanges
  • ASTM A182 F53 weld neck blind flange
  • A182 F55 weld neck flange PN16
  • ASME SA182 F60 flange orifice welding neck
  • A182 F61 super duplex WNRF 150 flange
  • ASTM A182 F51 neck flange
  • ASME SA182 F44 weldneck flange
  • Titanium Grade 2 : ASTM B381 UNS R50400 welding flange
  • Titanium Grade 5 : ASTM B381 USN R56400 welded flange
Inconel Weld Neck Flanges Incoloy Weld Neck Flanges Hastelloy Weld Neck Flanges
  • Inconel 600 : ASTM B564 UNS N06600 weld neck flange
  • Inconel 625 : ASTM B564 UNS N06625 WNRF flange
  • Inconel 601 : ASTM B564 UNS N06601 WN flange
  • Inconel 617 : ASTM B564 UNS N06617 raised face weld neck flange
  • Inconel 686 : ASTM B564 UNS N06686 flat face weld neck flange
  • Inconel 690 : ASTM B564 UNS N06690 RFWN flange
  • Inconel 725 : ASTM B564 UNS N07725 well neck flange
  • 693, MA754, 751, 706, 718, 601GC, MA758, 783, X-750, 602CA, 603XL, 718SPF
  • Incoloy 800 : ASTM B407 UNS N08800 welding neck flange
  • Incoloy 800H : ASTM B407 UNS N08810 weld neck flange
  • Incoloy 800HT : ASTM B407 UNS N08811 reducing weld neck flange
  • Incoloy 825 : ASTM B407 UNS N08825 weld neck pipe flanges
  • 903, 907, 945, 925, 926, 832, 330, 25-6HN, DS, 028, 020,909, 945X, MA956, 908, A-286, 27-7MO, 864, 890
  • Hastelloy C22 : ASTM B366 UNS N06022 welded flanges
  • Hastelloy C276 : ASTM B366 UNS N10276 RF WN flange
  • Hastelloy C2000 : ASTM B366 UNS N06200 WN flange with NPT thread
  • B-2, B, B-3, C, C-4, G-35, G-30, N, G-3, S, W, X
Monel Weld Neck Flanges Nickel Alloy Weld Neck Flanges Copper Nickel Weld Neck Flanges
  • Monel 400 : ASTM B564 UNS N04400 weld flanges
  • Monel 401 : ASTM B564 UNS N04401 weld neck flange
  • Monel K500 : ASTM B564 UNS N05500 WN FF flange
  • Nickel Alloy 200 : ASTM B564 UNS N02200 WN RTJ flange
  • Nickel Alloy 201 : ASTM B564 UNS N02201 flange weldneck
  • Copper Nickel 90/10 : ASTM B151 UNS C70600 flange with neck
  • Copper Nickel 70/30 : ASTM B151 UNS C71500 orifice weld neck flange
Stainless Steel Weld Neck Flanges Carbon Steel Weld Neck Flanges Alloy Steel Weld Neck Flanges
  • ASTM A105 Weld Neck flange
  • ASTM A350 LF2 CL 1 Weld Neck flange
  • Low Temperature Carbon Steel (LTCS)
  • A694 Grade F46
  • ASTM A694 F42
  • ASME SA 694 F56
  • Carbon steel F52
  • High Yield F60
  • A694 F65
  • A694 Gr F70
  • ASME A182 Grade F1
  • A182 Grade F5
  • F9 Alloy Steel
  • SA182 F11
  • ASTM A182 F22
  • Alloy Steel F91


Benefits of welding neck flange

Benefits of welding neck flange

SS blind flange prices
Mumbai-based hastelloy c276 welded flanges and monel 400 weld neck pipe flanges stockists offer a variety of thicknesses and sizes at low rates.

SS blind flange prices

(Grade : F316, SCH 40) Price per piece in US Dollar

  • 1/2", 150#, RF
  • 1", 150#, RF
  • 1 1/2", 150#, RF
  • 2", 150#, RF
  • 2 1/4", 150#, RF
  • 2 1/2", 150#, RF
  • 3", 150#, RF
  • 3 1/2", 150#, RF
  • 4", 150#, RF
  • US $2.32
  • US $3.93
  • US $5.16
  • US $6.18
  • US $7.10
  • US $8.15
  • US $9.20
  • US $10.39
  • US $11.78

Discover the benefits of monel 400 weld neck pipe flanges by Armech Alloy, check ASME B16.5 weld neck flange dimensions, weight chart, and pressure ratings of super duplex RFWN flange


Stainless steel weld neck flanges dimensions

Stainless steel weld neck flanges dimensions
NPS A G H I J B C D E
- O.D. Diameter Of RF Raised Face Height PCD Face Of Weld Wall Thickness Outer Diameter Of Hub Outer Diameter Of Weld Neck Length Of Welding Neck
1/2 90 34.9 2 60.3 1.6 9.6 30 21.3 46
3/4 100 42.9 2 69.9 1.6 11.2 38 26.7 51
1 110 50.8 2 79.4 1.6 12.7 49 33.4 54
1 1/4 115 63.5 2 88.9 1.6 14.3 59 42.2 56
1 1/2 125 73 2 98.4 1.6 15.9 65 48.3 60
2 150 92.1 2 120.7 1.6 17.5 78 60.3 62
2 1/2 180 104.8 2 139.7 1.6 20.7 90 73 68
3 190 127 2 152.4 1.6 22.3 108 88.9 68
3 1/2 215 139.7 2 177.8 1.6 22.3 122 101.6 70
4 230 157.2 2 190.5 1.6 22.3 135 114.3 75
5 255 185.7 2 215.9 1.6 22.3 164 141.3 87
6 280 215.9 2 241.3 1.6 23.9 192 168.3 87
8 345 269.9 2 298.5 1.6 27 246 219.1 100
10 405 323.8 2 362 1.6 28.6 305 273 100
12 485 381 2 431.8 1.6 30.2 365 323.8 113
14 535 412.8 2 476.3 1.6 33.4 400 355.6 125
16 595 469.9 2 539.8 1.6 35 457 406.4 125
18 635 533.4 2 577.9 1.6 38.1 505 457.2 138
20 700 584.2 2 635 1.6 41.3 559 508 143
24 815 692.2 2 749.3 1.6 46.1 663 610 151

Class 300 weld neck flange dimensions

NPS A G H I J B C D E
- O.D. Diameter Of RF Raised Face Height PCD Face Of Weld Wall Thickness Outer Diameter Of Hub Outer Diameter Of Weld Neck Length Of Welding Neck
1/2 95 34.9 2 66.7 1.6 12.7 38 21.3 51
3/4 115 42.9 2 82.6 1.6 14.3 48 26.7 56
1 125 50.8 2 88.9 1.6 15.9 54 33.4 60
1 1/4 135 63.5 2 98.4 1.6 17.5 64 42.2 64
1 1/2 155 73 2 114.3 1.6 19.1 70 48.3 67
2 165 92.1 2 127 1.6 20.7 84 60.3 68
2 1/2 190 104.8 2 149.2 1.6 23.9 100 73 75
3 210 127 2 168.3 1.6 27 117 88.9 78
3 1/2 230 139.7 2 184.2 1.6 28.6 133 101.6 79
4 255 157.2 2 200 1.6 30.2 146 114.3 84
5 280 185.7 2 235 1.6 33.4 178 141.3 97
6 320 215.9 2 269.9 1.6 35 206 168.3 97
8 380 269.9 2 330.2 1.6 39.7 260 219.1 110
10 445 323.8 2 387.4 1.6 46.1 321 273 116
12 520 381 2 450.8 1.6 49.3 375 323.8 129
14 585 412.8 2 514.4 1.6 52.4 425 355.6 141
16 650 469.9 2 571.5 1.6655.6 483 406.4 144
18 710 533.4 2 628.6 1.6 58.8 533 457 157
20 775 584.2 2 685.8 1.6 62 587 508 160
24 915 692.2 2 812.8 1.6 68.3 702 610 167


Stainless steel weld neck flange weight

NPS Class 150 Weld
Neck
Class 300 Weld
Neck
Class 600 Weld
Neck
Class 900 Weld
Neck
1/2 0.9 0.9 1.4 3.2
3/4 0.9 1.4 1.8 3.2
1 1.4 1.8 1.8 3.8
1.4 2.3 2.7 4.5
1.8 3.2 3.6 6.3
2 2.7 4.1 5.4 13.9
4.5 5.4 8.1 16.2
3 5.2 8.1 10.4 4.1
5.4 9 11.7 -
4 7.4 11.9 18.9 5.9
5 9.5 16.2 30.6 6.8
6 11.7 20.3 36.5 8.6
8 18.9 31.1 54 13.5
10 24.3 45 85.5 19.4
12 39.6 63.9 101.7 28.8
14 51.3 92.7 156.2 47.3
16 63 112.5 216.5 63
18 74.3 144 249.8 72
20 88.7 180 310.5 87.8
22 101.3 209.3 324 110.3
24 120.6 261 439.7 123.8


Welded flanges pressure ratings

Temperature °F (Fahrenheit) CL 900 CL1500 CL 2500 CL 150 CL 300 CL 600
-20 to 100 2160 3600 6000 275 720 1440
200 1800 3000 5000 230 600 1200
300 1620 2700 4500 205 540 1080
400 1490 2485 4140 190 495 995
500 1395 2330 3880 170 465 930
600 1310 2185 3640 140 435 875
700 1275 2125 3540 110 425 850
800 1210 2015 3360 80 405 805
900 1165 1945 3240 50 390 780
1000 965 1605 2675 20 320 640
1050 925 1545 2570 20 310 615
1100 770 1285 2145 20 255 515
1150 595 995 1655 20 200 400
1200 465 770 1285 20 155 310
1250 340 565 945 20 115 225
1300 255 430 715 20 85 170
1350 185 310 515 20 60 125
1400 145 240 400 20 50 95
1450 105 170 285 15 35 70
1500 80 135 230 10 25 55

Weld neck pipe flanges bolt chart

Weld neck pipe flanges bolt chart
NPS Pressure Class 300
Flange Diameter Bolt Holes Diameter (MM) Bolt Circle Bolts Number Bolts Diameter(MM)
1/4 15.74 2-1/4 3 3/8 4 12.7
1/2 15.74 2-5/8 3 3/4 4 12.7
3/4 19.05 3-1/4 4 5/8 4 15.87
1 19.05 3-1/2 4 7/8 4 15.87
1-1/4 19.05 3-7/8 5 1/4 4 15.87
1-1/2 22.35 4-1/2 6 1/8 4 19.05
2 19.05 5 6 1/2 8 15.87
2-1/2 22.35 5-7/8 7 1/2 8 19.05
3 22.35 6-5/8 8 1/4 8 19.05
3-1/2 22.35 7-1/4 9 8 19.05
4 22.35 7-7/8 10 8 19.05
5 22.35 9-1/4 11 8 19.05
6 22.35 10-5/8 12 1/2 12 19.05
8 25.4 13 15 12 22.22
10 28.44 15-1/4 17 1/2 16 25.4
12 31.75 17-3/4 20 1/2 16 25.4
14 31.75 20-1/4 23 20 25.5
16 35.05 22-1/2 25 1/2 20 25.4
18 35.05 24-3/4 28 24 25.4
20 35.05 27 30 1/2 24 25.4
24 41.14 32 36 24 25.4