Stainless Steel Forged Flanges

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ASME B 16.5, ASME B 16.47, ASTM A182, 105, 350 Forged Pipe Flanges & Raised Face Forged Flanges Manufacturer & Exporter in India
Stainless Steel Forged Flanges, Carbon Steel Forged Flanges, Alloy Steel Forged Flanges, Inconel Forged Flanges, Nickel Alloy Weld Forged Flanges, Monel Forged Flanges, Hastelloy Forged Flanges Dealer in India

Stainless Steel Forged steel flanges are integral components used in piping systems to connect pipes, valves, pumps, and other equipment. They are created through a forging process that involves shaping and compressing heated metal into the desired flange shape. These flanges are crucial in providing a secure, leak-proof joint in various industries where high pressure, high temperature, and critical fluid handling are involved.

Forged steel flanges offer high strength, reliability, and resistance to corrosion, making them suitable for demanding environments where safety and performance are paramount in maintaining the efficiency of fluid handling systems.

forged-flanges
Stainless Steel Forged steel flanges

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Forged Flanges Availability:

  • Stainless Steel Forged Flanges
  • Carbon Steel Forged Flanges
  • Alloy Steel Forged Flanges
  • Nickel Alloy Steel Forged Flanges
  • Copper Alloy Forged Flanges

Forged Flanges Specifications:

Size ½" TO 54"
Pressure Rating 150#, 300#, 600#, 900#, 1500#, 2500#
Standards ASME B 16.5, ASME B 16.47, API 6A
Type SORF, WNRF, SWRF, BLRF, Threaded etc.
Specials Spacers, Spectacle Blinds, Drip Rings, RTJ, Tongue, Groove, Orifice, etc.

Grade specifications of Forged Flanges

Stainless Steel Forged Face Flanges
ASTM A182, A240 F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L

Forged Flange Dimensions – ANSI/ASME B16.5 Class 150 to Class 2500

Nominal Size and Bore J Outside Dia. O Minimum Flange Thickness Q DIa. of Raised Face R Minimum Wall Thickness Dia. of Hub at Point of Welding H Length Thru Hub Y Drilling Template Approx. Weight in Pounds
No. of Holes Dia. of Holes Dia. of Bolts Dia. Bolt Circle
1/2 3.50 0.44 1.38 0.36 1.19 9 4 0.62 0.50 2.38 8
3/4 3.88 0.50 1.69 0.38 1.50 9 4 0.62 0.50 2.75 8
1 4.25 0.56 2.00 0.50 2.00 9 4 0.62 0.50 3.12 8
1 1/4 4.62 0.62 2.50 0.56 2.38 9 4 0.62 0.50 3.50 10
1 1/2 5.00 0.69 2.88 0.56 2.62 9 4 0.62 0.50 3.88 12
2 6.00 0.75 3.62 0.62 3.25 9 4 0.75 0.62 4.75 16
2 1/2 7.00 0.88 4.12 0.62 3.75 9 4 0.75 0.62 5.50 21
3 7.50 0.94 5.00 0.62 4.25 9 4 0.75 0.62 6.00 24
3 1/2 8.50 0.94 5.50 0.69 4.88 9 8 0.75 0.62 7.00 31
4 9.00 0.94 6.19 0.75 5.50 12 8 0.75 0.62 7.50 47
5 10.00 0.94 7.31 0.75 6.50 12 8 0.88 0.75 8.50 57
6 11.00 1.00 8.50 0.88 7.75 12 8 0.88 0.75 9.50 77
8 13.50 1.12 10.62 0.88 9.75 12 8 0.88 0.75 11.75 103
10 16.00 1.19 12.75 1.00 12.00 12 12 1.00 0.88 14.25 150
12 19.00 1.25 15.00 1.19 14.38 12 12 1.00 0.88 17.00 215
14 21.00 1.38 16.25 1.00 16.00 12 12 1.12 1.00 18.75 221
16 23.50 1.44 18.50 1.00 18.00 12 16 1.12 1.00 21.25 254
18 25.00 1.56 21.00 1.00 20.00 12 16 1.25 1.12 22.75 278
20 27.50 1.69 23.00 1.00 22.00 12 20 1.25 1.12 25.00 324
24 32.00 1.88 27.25 1.12 26.25 12 20 1.38 1.25 29.50 439
All dimensions given in inches
Nominal Size and Bore J Outside Dia. O Minimum Flange Thickness Q DIa. of Raised Face R Minimum Wall Thickness Dia. of Hub at Point of Welding H Length Thru Hub Y Drilling Template Approx. Weight in Pounds
No. of Holes Dia. of Holes Dia. of Bolts Dia. Bolt Circle
1/2 3.75 0.56 1.38 0.50 1.50 9 4 0.62 0.50 2.62 10
3/4 4.62 0.62 1.69 0.56 1.88 9 4 0.75 0.62 3.25 10
1 4.88 0.69 2.00 0.56 2.12 9 4 0.75 0.62 3.50 10
1 1/4 5.25 0.75 2.50 0.62 2.50 9 4 0.75 0.62 3.88 14
1 1/2 6.12 0.81 2.88 0.62 2.75 9 4 0.88 0.75 4.50 17
2 6.50 0.88 3.62 0.62 3.25 9 8 0.75 0.62 5.00 19
2 1/2 7.50 1.00 4.12 0.72 3.94 9 8 0.88 0.75 5.88 28
3 8.25 1.12 5.00 0.81 4.62 9 8 0.88 0.75 6.62 36
3 1/2 9.00 1.19 5.50 0.88 5.25 9 8 0.88 0.75 7.25 45
4 10.00 1.25 6.19 0.88 5.75 12 8 0.88 0.75 7.88 54
5 11.00 1.38 7.31 1.00 7.00 12 8 0.88 0.75 9.25 86
6 12.50 1.44 8.50 1.06 8.12 12 12 0.88 0.75 10.62 108
8 15.00 1.62 10.62 1.12 10.25 12 12 1.00 0.88 13.00 150
10 17.50 1.88 12.75 1.31 12.62 12 16 1.12 1.00 15.25 218
12 20.50 2.00 15.00 1.38 14.75 12 16 1.25 1.12 17.75 289
14 23.00 2.12 16.25 1.38 16.75 12 20 1.25 1.12 20.25 342
16 25.50 2.25 18.50 1.50 19.00 12 20 1.38 1.25 22.50 426
18 28.00 2.38 21.00 1.50 21.00 12 24 1.38 1.25 24.75 493
20 30.50 2.50 23.00 1.56 23.12 12 24 1.38 1.25 27.00 575
24 36.00 2.75 27.25 1.81 27.62 12 24 1.62 1.50 32.00 823
All dimensions given in inches
Nominal Size and Bore J Outside Dia. O Minimum Flange Thickness Q DIa. of Raised Face R Minimum Wall Thickness Dia. of Hub at Point of Welding H Length Thru Hub Y Drilling Template Approx. Weight in Pounds
No. of Holes Dia. of Holes Dia. of Bolts Dia. Bolt Circle
1/2 3.75 0.56 1.38 0.50 1.50 9 4 0.62 0.50 2.62 11
3/4 4.62 0.62 1.69 0.56 1.88 9 4 0.75 0.62 3.25 11
1 4.88 0.69 2.00 0.56 2.12 9 4 0.75 0.62 3.50 11
1 1/4 5.25 0.81 2.50 0.62 2.50 9 4 0.75 0.62 3.88 14
1 1/2 6.12 0.88 2.88 0.62 2.75 9 4 0.88 0.75 4.50 17
2 6.50 1.00 3.62 0.62 3.25 9 8 0.75 0.62 5.00 21
2 1/2 7.50 1.12 4.12 0.72 3.94 9 8 0.88 0.75 5.88 29
3 8.25 1.25 5.00 0.81 4.62 9 8 0.88 0.75 6.62 38
3 1/2 9.00 1.38 5.50 0.88 5.25 9 8 1.00 0.88 7.25 48
4 10.00 1.38 6.19 0.88 5.75 12 8 1.00 0.88 7.88 67
5 11.00 1.50 7.31 1.00 7.00 12 8 1.00 0.88 9.25 90
6 12.50 1.62 8.50 1.06 8.12 12 12 1.00 0.88 10.62 115
8 15.00 1.88 10.62 1.12 10.25 12 12 1.12 1.00 13.00 140
10 17.50 2.12 12.75 1.31 12.62 12 16 1.25 1.12 15.25 230
All dimensions given in inches
Nominal Size and Bore J Outside Dia. O Minimum Flange Thickness Q DIa. of Raised Face R Minimum Wall Thickness Dia. of Hub at Point of Welding H Length Thru Hub Y Drilling Template Approx. Weight in Pounds
No. of Holes Dia. of Holes Dia. of Bolts Dia. Bolt Circle
1/2 3.75 0.56 1.38 0.50 1.50 9 4 0.62 0.50 2.62 11
3/4 4.62 0.62 1.69 0.56 1.88 9 4 0.75 0.62 3.25 11
1 4.88 0.69 2.00 0.56 2.12 9 4 0.75 0.62 3.50 11
1 1/4 5.25 0.81 2.50 0.62 2.50 9 4 0.75 0.62 3.88 14
1 1/2 6.12 0.88 2.88 0.62 2.75 9 4 0.88 0.75 4.50 17
2 6.50 1.00 3.62 0.62 3.25 9 8 0.75 0.62 5.00 21
2 1/2 7.50 1.12 4.12 0.72 3.94 9 8 0.88 0.75 5.88 29
3 8.25 1.25 5.00 0.81 4.62 9 8 0.88 0.75 6.62 38
3 1/2 9.00 1.38 5.50 0.88 5.25 9 8 1.00 0.88 7.25 48
4 10.75 1.50 6.19 1.00 6.00 12 8 1.00 0.88 8.50 80
5 13.00 1.75 7.31 1.25 7.50 12 8 1.12 1.00 10.50 128
6 14.00 1.88 8.50 1.38 8.75 12 12 1.12 1.00 11.50 158
8 16.50 2.19 10.62 1.38 10.75 12 12 1.25 1.12 13.75 215
10 20.00 2.50 12.75 1.75 13.50 12 16 1.38 1.25 17.00 339
All dimensions given in inches
Nominal Size and Bore J Outside Dia. O Minimum Flange Thickness Q DIa. of Raised Face R Minimum Wall Thickness Dia. of Hub at Point of Welding H Length Thru Hub Y Drilling Template Approx. Weight in Pounds
No. of Holes Dia. of Holes Dia. of Bolts Dia. Bolt Circle
1/2 4.75 0.88 1.38 0.50 1.50 9 4 0.88 0.75 3.25 15
3/4 5.12 1.00 1.69 0.50 1.75 9 4 0.88 0.75 3.50 15
1 5.88 1.12 2.00 0.53 2.06 9 4 1.00 0.88 4.00 15
1 1/4 6.25 1.12 2.50 0.62 2.50 9 4 1.00 0.88 4.38 18
1 1/2 7.00 1.25 2.88 0.62 2.75 9 4 1.12 1.00 4.88 23
2 8.50 1.50 3.62 1.06 4.12 9 8 1.00 0.88 6.50 44
2 1/2 9.62 1.62 4.12 1.19 4.88 12 8 1.12 1.00 7.50 72
3 9.50 1.50 5.00 1.00 5.00 12 8 1.38 0.88 7.50 85
4 11.50 1.75 6.19 1.12 6.25 12 8 1.25 1.12 9.25 98
5 13.75 2.00 7.31 1.25 7.50 12 8 1.38 1.25 11.00 143
6 15.00 2.19 8.50 1.62 9.25 12 12 1.25 1.12 12.50 199
8 18.50 2.50 10.62 1.88 11.75 12 12 1.50 1.38 15.50 310
10 21.50 2.75 12.75 2.25 14.50 12 16 1.50 1.38 18.50 385
All dimensions given in inches
Nominal Size and Bore J Outside Dia. O Minimum Flange Thickness Q DIa. of Raised Face R Minimum Wall Thickness Dia. of Hub at Point of Welding H Length Thru Hub Y Drilling Template Approx. Weight in Pounds
No. of Holes Dia. of Holes Dia. of Bolts Dia. Bolt Circle
1/2 4.75 0.88 1.38 0.50 1.50 9 4 0.88 0.75 3.25 15
3/4 5.12 1.00 1.69 0.50 1.75 9 4 0.88 0.75 3.50 15
1 5.88 1.12 2.00 0.53 2.06 9 4 1.00 0.88 4.00 15
1 1/4 6.25 1.12 2.50 0.62 2.50 9 4 1.00 0.88 4.38 18
1 1/2 7.00 1.25 2.88 0.62 2.75 9 4 1.12 1.00 4.88 23
2 8.50 1.50 3.62 1.06 4.12 9 8 1.00 0.88 6.50 44
2 1/2 9.62 1.62 4.12 1.19 4.88 12 8 1.12 1.00 7.50 72
3 10.50 1.88 5.00 1.12 5.25 12 8 1.25 1.12 8.00 84
4 12.25 2.12 6.19 1.19 6.38 12 8 1.38 1.25 9.50 118
5 14.75 2.88 7.31 1.38 7.75 12 8 1.62 1.50 11.50 195
6 15.50 3.25 8.50 1.50 9.00 12 12 1.50 1.38 12.50 235
8 19.00 3.62 10.62 1.75 11.50 12 12 1.75 1.62 15.50 366
10 23.00 4.25 12.75 2.25 14.50 12 12 2.00 1.88 19.00 610
All dimensions given in inches
Nominal Size and Bore J Outside Dia. O Minimum Flange Thickness Q DIa. of Raised Face R Minimum Wall Thickness Dia. of Hub at Point of Welding H Length Thru Hub Y Drilling Template Approx. Weight in Pounds
No. of Holes Dia. of Holes Dia. of Bolts Dia. Bolt Circle
1/2 5.25 1.19 1.38 0.61 1.69 9 4 0.88 0.75 3.50 18
3/4 5.50 1.25 1.69 0.62 2.00 9 4 0.88 0.75 3.75 18
1 6.25 1.38 2.00 0.62 2.25 9 4 1.00 0.88 4.25 18
1 1/4 7.25 1.50 2.50 0.81 2.88 9 4 1.12 1.00 5.12 27
1 1/2 8.00 1.75 2.88 0.81 3.12 9 4 1.25 1.12 5.75 33
2 9.25 2.00 3.62 0.88 3.75 9 8 1.12 1.00 6.75 48
2 1/2 10.50 2.25 4.12 1.00 4.50 9 8 1.25 1.12 7.75 66
3 12.00 2.62 5.00 1.12 5.25 9 8 1.38 1.25 9.00 97
4 14.00 3.00 6.19 1.25 6.50 12 8 1.62 1.50 10.75 159
5 16.50 3.62 7.31 1.50 8.00 12 8 1.88 1.75 12.75 248
6 19.00 4.25 8.50 1.62 9.25 12 8 2.12 2.00 14.50 358
8 21.75 5.00 10.62 2.00 12.00 16 12 2.12 2.00 17.25 589
10 26.50 6.50 12.75 2.38 14.75 16 12 2.62 2.50 21.25 997
All dimensions given in inches

Types of Forged Flanges

  • Industry Standard Class 75 Forged Flanges
  • Industry Standard Class 150 Forged Flanges
  • Industry Standard Class 175 Forged Flanges
  • Industry Standard Class 250 Forged Flanges
  • Industry Standard Class 300 Forged Flanges
  • Industry Standard Class 350 Forged Flanges
  • Plate Forged Flanges
  • Ring Type Joint Forged Flanges
  • Drawing Forged Flanges
  • Square Forged Flanges
  • Nipo Forged Flanges
  • Forged Forged Flanges
  • Forged Forged Flanges
  • Stainless Steel Forged Flanges
  • Industry Standard Class 125 Light-weight Forged Flanges
  • Industry Standard Class 125/150 Forged Flanges

Other Standards of Forged Flanges

  • ANSI B16.5 Forged Flanges
  • ANSI B16.5 Class 150 Forged Flanges
  • ANSI B16.5 Class 300 Forged Flanges
  • ANSI B16.5 Class 400 Forged Flanges
  • ANSI B16.5 Class 600 Forged Flanges
  • ANSI B16.5 Class 900 Forged Flanges
  • ANSI B16.5 Class 1500 Forged Flanges
  • ANSI B16.5 Class 2500 Forged Flanges
  • ASME B16.47 Series A Forged Flanges
  • ASME B16.47 Series B Forged Flanges
  • ANSI B16.36 Forged Forged Flanges
  • 150Lbs Forged Flanges
  • 300Lbs Forged Flanges
  • 600Lbs Forged Flanges
  • 900Lbs Forged Flanges
  • 1500Lbs Forged Flanges
  • 2500Lbs Forged Flanges
  • DIN Forged Flanges PN6-PN40

Forged Flanges Applications

Off-Shore Oil Drilling Companies Power Generation Petrochemicals Gas Processing
Specialty Chemicals Pharmaceuticals Pharmaceutical Equipment Chemical Equipment
Sea Water Equipment Heat Exchangers Condensers Pulp & Paper Industry
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