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Stainless Steel Flanges



Manufacturer of SS Forged Flange Range in Size From 1/2" to 24" NB


Stainless Steel Flange Specification

Size In Ready Stock

Size In Ready Stock

  • DN15 - DN1200
  • 1/2" to 48"
  • PN 2.5 - PN 400
Facing Types

Facing Types

  • T&G
  • M&F
  • LJ
  • FF
  • RF
  • RTJ
American standards

American standards

  • ASME B16.5
  • ASME B16.47
  • ASME B16.36
  • ASME B16.48
Pressure Ratings

Pressure Ratings

  • Class 150
  • Class 300
  • Class 600
  • Class 900
  • Class 1500
  • Class 2500
Manufacturing Method

Manufacturing Method

  • Plate
  • Cast
  • Forged
Jointing Techniques

Jointing Techniques

  • Threaded joint
  • Bolted joint
  • Welded joint
End Connection

End Connection

  • Welded
  • Threaded
Wall Thickness

Wall Thickness

  • SCH 10/ 20/ 40
  • SCH 60/ 80/ 100
  • SCH 120/ 140
  • SCH 160/ 180
Surface Finish

Surface Finish

  • Smooth finish
  • Cold water finish
  • Spiral serrated
  • Mirror finish
  • Stock finish
Applications

Applications

  • Gas & Oil applications
  • Refinery industry
  • Aerospace constructions
  • Nuclear power
  • Petrochemical plants
DIN Standards

DIN Standards

  • DIN 2627
  • DIN 2527
  • DIN 2558
  • DIN 2578
Thread Types

Thread Types

  • FPT
  • BSP
  • BSPT
  • NPT
  • MPT
Value Added Services

Value Added Services

  • Cutting
  • Beveling end
  • Metal stampings
  • Coating/ polishing
  • MTR’s Available
Inspection Checklist

Inspection Checklist

  • Material inspection
  • Hardness test
  • Impact test
  • Visual inspection
  • Tensile test
Machining Process

Machining Process

  • Heat treatment
  • Forming
  • Material selection
  • Material cutting
  • Shaping
  • Inspection
  • Forging
  • Machining
  • Surface finish
  • Quality control
Corrosion Resistance

Corrosion Resistance

  • Excellent Corrosion Resistance
Heat Resistance

Heat Resistance

  • Intermittent Service Up To 870°C
  • Continuous Service To 925°C
Stress Corrosion Cracking

Stress Corrosion Cracking

  • Above 60°C
Heat Treatment

Heat Treatment

  • 1010-1120°C.
Machinability

Machinability

  • Good Machinability
Welding Types

Welding Types

  • Fusion Welding
Packaging

Packaging

  • Wooden Pallet
  • Wooden Cases
  • Carton Box
Applicable Fluids

Applicable Fluids

  • Air
  • Oil & Gas
  • Steam
  • Water
Buying Tips

Buying Tips

  • Pipe size
  • Diameter of Bolt circle
  • Nominal bore size
  • Thickness & O.D.

SS Pipe Flange Grade



Suitable Temperature Of SS Forged Flange

Grade Temperature In °F Temperature In °C
Stainless Steel 304 Flanges 1,600°F Up to 870°C
Stainless Steel 304L Flanges - Up to 425°C
Stainless Steel 316 Flanges 1,600°F Up to 870°C

Stainless Steel Flange Size Chart

Normal Pipe Size Wall Thickness DN
1/2 11.2 15
3/4 12.7 20
1 14.2 25
1 1/4 15.7 32
1 1/2 17.5 40
2 19.1 50
2 1/2 22.4 65
3 23.9 80
3 1/2 23.9 90
4 23.9 100
5 23.9 125
6 25.4 150
8 28.4 200
10 30.2 250
12 31.8 300
14 35.1 350
16 36.6 400
18 39.6 450
20 42.9 500
24 47.8 600

Standard for SS Pipe Flanges

Standard Class Size
DIN flange PN6 To PN40 1/2″ To 48″
Awwa C207 Class B/D/E/F 4″ To 144″
MSS SP 44 150 lb to 900 lb 22″ To 48″
EN 1092-1/2 PN 2.5 to PN 400 3/8″ to 80″
ASME B16.5 150 lb to 2500 lb 1/4″ to 24″
ASME B16.36 300 lb to 2500 lb 1/4″ to 24″
ASME B16.48 150 lb to 2500 lb 1/4″ to 24″
ASME B16.47 150 lb to 900 lb 26″ to 60″

Supplier of SS Flange in the Class Ranging From 150 to 2500 at Lowest Price in Mumbai


Stainless steel flanges price list
  • Types = Weld neck flanges
  • SCH = 40
  • Grade = F316

SS Flange Price List

  • 1/2 inch, CL 150, RF
  • 1 inch, CL 150, RF
  • 1 1/4 inch, CL 150, RF
  • 1 1/2 inch, CL 150, RF
  • 2 inch, CL 150, RF
  • 2 1/2 inch, 150#, RF
  • 3 inch, 300#, RTJ
  • 3 1/2 inch, 300#, RTJ
  • 4 inch, 300#, RTJ
  • 6 inch, 300#, RTJ
  • 8 inch, 300#, RTJ
  • US $1.19
  • US $1.76
  • US $2.59
  • US $3.60
  • US $4.20
  • US $5.88
  • US $6.61
  • US $7.90
  • US $9.01
  • US $11.28
  • US $14.43


150# Stainless Steel Flange Pressure Rating

Temperature °F (Fahrenheit ) 150 LBS
-20 to 100 275
200 230
300 205
400 190
500 170
600 140
700 110
800 80
900 50
1000 20
1100 20
1200 20
1300 20
1400 20
1500 10

150# Stainless Steel Flange Pressure Rating

Temperature °F (Fahrenheit ) 300 LBS
-20 to 100 720
200 600
300 540
400 495
500 465
600 435
700 425
800 405
900 390
1000 320
1100 255
1200 155
1300 85
1400 50
1500 25

150# Stainless Steel Flange Pressure Rating

Temperature °F (Fahrenheit ) 600 LBS
-20 to 100 1440
200 1200
300 1080
400 995
500 930
600 875
700 850
800 805
900 780
1000 640
1100 515
1200 310
1300 170
1400 95
1500 55

Class 300 Stainless Steel Flange Pressure Rating

Temperature °F (Fahrenheit ) 900 LBS
-20 to 100 2160
200 1800
300 1620
400 1490
500 1395
600 1310
700 1275
800 1210
900 1165
1000 965
1100 770
1200 465
1300 255
1400 145
1500 80

150# Stainless Steel Flange Pressure Rating

Temperature °F (Fahrenheit ) 1500 LBS
-20 to 100 3600
200 3000
300 2700
400 2485
500 2330
600 2185
700 2125
800 2015
900 1945
1000 1605
1100 1285
1200 770
1300 430
1400 240
1500 135

150# Stainless Steel Flange Pressure Rating

Temperature °F (Fahrenheit ) 2500 LBS
-20 to 100 6000
200 5000
300 4500
400 4140
500 3880
600 3640
700 3540
800 3360
900 3240
1000 2675
1100 2145
1200 1285
1300 715
1400 400
1500 230

Stockist of Forged Stainless Steel Flanges manufactured with various process like forging, cutting, casting etc.


SS Forged flanges Selection Criteria

SS Forged flanges Selection Criteria

Types Of Forged Stainless Steel Flanges


Stainless Steel Ring Type Joint Flange

Stainless Steel Ring Type Joint Flange

Stainless Steel Raised Face Flange

Stainless Steel Raised Face Flange

Stainless Steel Tongue and Groove Flange

Stainless Steel Tongue and Groove Flange

Stainless Steel Male and Female Flange

Stainless Steel Male and Female Flange

Stainless Steel Flat Face Flange

Stainless Steel Flat Face Flange

Stainless Steel Reducing Flange

Stainless Steel Reducing Flange

Stainless Steel Square Flange

Stainless Steel Square Flange

Stainless Steel Orifice Flanges

Stainless Steel Orifice Flanges

Stainless Steel Puddle Flange

Stainless Steel Puddle Flange

Stainless Steel High hub Blind Flange

Stainless Steel High hub Blind Flange

Stainless Steel Anchor Flange

Stainless Steel Anchor Flange

Stainless Steel Hydraulic Sae Flanges

Stainless Steel Hydraulic Sae Flanges



Offering Stainless Steel Pipe Flange in Various Dimensions, Weights and BSPT, NPT, BSPP Thread as per ASME B16.5

Stainless Steel Flange Dimensions Chart

Stainless Steel Flange Dimensions Chart
NPS O.D.(Inch) SORF Bore Inner Diameter (MM) Bolt Holes Number Holes Diameter (MM) Bolt Circle (Inch) WNRF Bore Inner Diameter (MM) Diameter Hub Base (Inch) Minimum Wall Thickness (MM) RF Diameter(Inch)
1/2 3.50 9.65 4 15.74 2.38 22.35 15.74 1.19 1.38
3/4 3.88 11.17 4 15.74 2.75 27.68 20.82 1.50 1.69
1 4.25 34.54 4 15.74 3.12 26.67 1.94 12.7 2.00
1 1/ 2 5.00 49.53 4 15.74 3.88 40.89 2.56 15.74 2.88
2 6.00 61.97 4 19.05 4.75 52.57 3.06 17.52 3.62
3 7.50 90.67 4 19.05 6.00 77.97 4.25 22.35 5.00
4 9.00 116.07 8 19.05 7.50 102.36 5.31 22.35 6.19
5 10.00 143.7 8 22.35 8.50 128.2 6.44 22.35 7.31
6 11.00 170.68 8 22.35 9.50 154.17 7.56 23.87 8.50
8 13.50 221.48 8 22.35 11.75 202.69 9.69 26.92 10.62
10 16.00 276.35 12 25.4 14.25 254.50 12.00 28.44 12.75
12 19.00 327.15 12 25.4 17.00 304.8 14.38 30.22 15.00
16 23.50 410.46 16 28.44 21.25 387.35 18.00 35.05 18.50
18 25.00 461.77 16 31.75 22.75 438.15 19.88 38.1 21.00
20 27.50 513.08 20 31.75 25.00 488.95 22.00 41.14 23.00
22 29.50 564.38 20 35.05 27.25 539.75 24.25 44.45 25.25
24 32.00 615.95 20 35.05 29.50 590.55 26.12 45.97 27.25


SS Flange Weight in KG

NPS SORF(Slip On) (LBS) BRF (Blind) (LBS) WNRF (Weld Neck) (KG) NPT (Threaded) (KG) SWRF (Socket Weld) (LBS) LJRF (LapJoint) (KG)
1/2 1.10 1.98 0.9 0.5 1.98 0.5
3/4 1.98 1.98 0.9 0.9 1.98 0.9
1 1.98 1.98 1.4 0.9 1.98 0.9
3.08 3.08 1.4 1.4 3.08 1.4
3.08 3.96 1.8 1.4 3.08 1.4
2 5.07 5.07 2.7 2.3 5.07 2.3
3 9.03 9.03 5.2 4.1 9.03 4.1
4 13.00 16.97 7.4 5.9 13.00 5.9
5 14.99 19.84 9.5 6.8 14.99 6.8
6 18.95 26.89 11.7 8.6 18.95 8.6
8 29.76 46.73 18.9 13.5 29.76 13.5
10 42.76 69.44 24.3 19.4 42.76 19.4
12 63.49 122.13 39.6 28.8 63.49 28.8
14 89.28 138.8 51.3 40.5 89.28 47.3
16 105.16 178.57 63 44.1 97.22 63
18 128.97 218.25 74.3 58.5 128.97 72
20 163.80 282.85 88.7 74.3 163.80 87.8
22 183.64 352.29 101.3 83.3 183.64 110.3
24 218.25 426.59 120.6 99 218.25 123.8


Class 150 Stainless Steel Flange Bolt Chart

NPS Diameter(MM) Bolt Holes Diameter(MM) Bolt Circle (inches) Number Bolts Bolts Diameter(MM)
1/4 76.2 15.74 2-1/4 4 12.7
1/2 76.4 15.74 2-5/8 4 12.7
3/4 101.6 19.05 3-1/4 4 15.87
1 101.78 19.05 3-1/2 4 15.87
1-1/4 127 19.05 3-7/8 4 15.87
1-1/2 152.4 22.35 4-1/2 4 19.05
2 152.87 19.20 5 8 15.87
2-1/2 177.8 22.35 5-7/8 8 19.05
3 203.2 22.35 6-5/8 8 19.05
3-1/2 228.6 22.35 7-1/4 8 19.05
4 254 22.35 7-7/8 8 19.05
5 279.4 22.35 9-1/4 8 19.05
6 304.8 22.35 10-5/8 12 19.05
8 381 25.4 13 12 22.22
10 431.8 28.44 15-1/4 16 25.4
12 508 31.75 17-3/4 16 25.4
14 584.2 31.75 20-1/4 20 25.4
16 635 35.05 22-1/2 20 25.4
18 711.2 35.05 24-3/4 24 25.4
20 762 35.05 27 24 25.4
24 914.4 41.14 32 24 25.50


Gasket For Stainless Steel Flange

  • PTFE Gasket
  • Oval Ring Gasket
  • Spiral Wound Gaskets
  • Camprofile Gaskets
  • RTJ Gaskets
  • RF Gaskets
  • FF Gaskets


Check SS Pipe Flange and ASTM A182 Flanges Thickness Chart & European Standards Before Purchasing It

SCH 20 SS Flange Thickness Chart

NPS SCH 20
½ -
¾ -
1 -
1 ¼ -
1 ½ -
2 -
3 -
4 -
5 -
6 -
8 0.25
10 0.25
12 0.25
14 0.31
16 0.35
18 0.36
20 0.40
22 -
24 0.45

Schedule 80 Stainless Flange Thickness

NPS SCH 80
½ 0.14
¾ 0.15
1 0.17
1 ¼ 0.19
1 ½ 0.20
2 0.21
3 0.30
4 0.33
5 0.37
6 0.43
8 0.50
10 0.59
12 0.68
14 0.75
16 0.84
18 0.93
20 1.03
22 -
24 1.21

SCH 120 Stainless Steel Flange Wall Thickness

NPS SCH 120
½ -
¾ -
1 -
1 ¼ -
1 ½ -
2 -
3 -
4 0.43
5 0.50
6 0.56
8 0.71
10 0.84
12 1
14 1.09
16 1.21
18 1.37
20 1.50
22 -
24 1.81

ASTM A182 Flanges European Standards

European Standards Flanges Types
EN 1092-1 Type 01 Plate welding flange
Type 02 Loose plate flange including TYPE 32 weld-on plate collar
Type 02 Loose plate flange including TYPE 33 weld-on plate collar
Type 04 Loose plate flange including TYPE 34 weld-neck collar
Type 05 Blank and blind flange
Type 11 Welding neck flange
Type 12 Slip on hubbed flange for welding
Type 13 Hubbed threaded (NPT) flange
EN 1092-1 Type 21 long welding-neck – integral flange


A182 Flange DIN Standards

DIN Plate &
DIN Slip On Flange
DIN Weld Neck Flange DIN Blind Flange DIN Threaded Flange
  • DIN 2503 PN25
  • DIN 2543 PN16
  • DIN 2573 PN6
  • DIN 2576 PN10
  • DIN 2502 PN16
  • DIN 2633 PN16
  • DIN 2635 PN40
  • DIN 2631 PN6
  • DIN 2634 PN25
  • DIN 2632 PN10
  • DIN 2527 PN16
  • DIN 2527 PN25
  • DIN 2527 PN40
  • DIN 2527 PN6
  • DIN 2527 PN10
  • DIN 25
  • DIN 2565 PN6