Duplex Flanges Specification

6 Things to Remember Before buying Duplex Flanges from India

  • Pricing and Lead Time
  • Supplier Reputation and Experience
  • Corrosion Resistance
  • Material Quality and Certification
  • Dimensional Accuracy
  • After-Sales Support and Warranty

Table Of Content

Duplex Flanges

Before Dealing With Other Super Duplex Flanges Manufacturer in India Check Our Price list

Super Duplex Flanges Price

Size Range INR USD
1/2NB X CL300 RF ₹ 6,380.78 US $ 76.36
1-1/2 X CL600 RF ₹ 15,188.09 US $ 181.87
3/4 NB X CL 300 RF ₹ 7,131.02 US $ 85.40
3/4NB X SCH 80 X CL 600 RF ₹ 6,905.23 US $ 81.38
3/4NB X SCH 80 X CL 300 RF ₹ 7,632.11 US $ 91.43

Specification of Duplex Flanges

Duplex Flanges Manufacturers in India Who Supply As Per Customer Specification

Duplex Flanges Sizes
Duplex Flanges Sizes
  • SCH: Sch 5 to XXS
  • NPS: 1/2″ to 48″
  • Class:150 to 2500#
  • Life Span:More than 50 years
Duplex Stainless Steel Flanges Types
Duplex Stainless Steel Flanges Types
  • Blind
  • Socket Weld
  • Slip On
  • Weld Neck etc.

 

Duplex Steel Flange Standards
Duplex Steel Flange Standards
  • ASME B16.47 Series A & B
  • MSS SP44
  • ASME B16.5
  • ASTM A182 | ASME SA 182
Duplex Steel Blind Flanges Process
Duplex Steel Blind Flanges Process
  • Casting
  • Forging
  • Cutting
  • Rolling
Duplex Ring Type Joint Flange Threads
Duplex Ring Type Joint Flange Threads
  • FNPT
  • BSPT
  • BSPP
  • NPT, MNPT
SDSS Spectacle Blind Flanges Testing
SDSS Spectacle Blind Flanges Testing
  • Pressure
  • Tensile
  • PMI
  • Hardness test

 

DSS Threaded Flange Finish
DSS Threaded Flange Finish
  • Spiral/Concentric
  • Mirror
  • Smooth
  • Serrated

 

Duplex SS Socket Weld Flange Face
Duplex SS Socket Weld Flange Face
  • FF
  • RF
  • RTJ
  • T&G
Duplex Steel Blind Flanges Origin
Duplex Steel Blind Flanges Origin
  • Indian
  • European
  • Japan
  • Korean
Duplex SS Socket Weld Flange Advantages
Duplex SS Socket Weld Flange Advantages
  • Strength
  • Corrosion resistance
  • Toughness

 

Super Duplex SS Lap Joint Flanges Supporting Material
Super Duplex SS Lap Joint Flanges Supporting Material
  • Gasket
  • Flange Bolts
  • Ring Joint
Duplex Ring Type Joint Flange Testing Facility
Duplex Ring Type Joint Flange Testing Facility
  • X-ray Detector
  • NDT
  • Hydro test

 

Class 300 SDSS Blind Flanges Dimensions

Most Genuine Duplex Flanges Manufacturer in India As Per International Standards

Class NPS Weld Neck Flange Slip on Flange Blind Flange Loose Flange NPT Flange SW Flange
300# ½ 2 2 2 2 2 3
1 4 3 4 3 3 3
24 580 490 800 550 490 475
¾ 3 3 3 3 3 3
22 465 370 640 435 370 370
1¼ 5 4.5 6 4.5 4.5 4
16 250 210 315 234 220 190
1½ 7 6.5 7 6.5 6.5 6
6 45 39 50 39 39 39
2 9 7 8 7 7 7
8 69 58 81 58 58 58
2½ 12 10 12 10 10 10
14 206 165 250 190 165 165
3 18 13 16 14.5 14 13
12 142 115 185 140 115 115
3½ 20 17 21 17 17 17
10 100 81 124 91 81 81
4 26.5 23.5 28 24 24 22
18 320 253 414 305 280 250
5 36 29 37 28 31 28
20 400 315 515 375 325 315

Best Duplex Stainless Steel Flanges Supplier in India With Size Range From 1/2 to 48″ or Custom

Duplex Stainless Steel Flanges Size Chart

NPS DN
1/2 15
2 50
4 100
1 25
2 1/2 65
3/4 20
3 80
1 1/4 32
1 1/2 40

Super Duplex Flange Testing Requirements

Super Duplex Flange Testing Requirements

Maintain Ready Stock Of Flange Super Duplex in Various Types Like SORF, BLRF, WNRF etc.

Flange Super Duplex Face Types

  • Ring Type Joint (RTJ)
  • Male Female Face (M&F)
  • Raised Face (RF)
  • Lap Joint Face (LJRF)
  • Tongue Groove Face (T & G)
  • Flat Face (FF)

Most Common Types of Duplex Flanges

Best Duplex Flanges Supplier in India, Stock and Supply Custom Shapes As Per Your Project Requirment

Duplex Stainless Steel Slip On Flange

Duplex Stainless Steel Slip On Flange

Duplex Steel Blind Flanges

Duplex Steel Blind Flanges

Super Duplex Steel Weld Neck Flange

Super Duplex Steel Weld Neck Flange

Duplex SS Socket Weld Flange

Duplex SS Socket Weld Flange

DSS Threaded Flange

DSS Threaded Flange

Super Duplex SS Lap Joint Flanges

Super Duplex SS Lap Joint Flanges

Super Duplex Orifice Flanges

Super Duplex Orifice Flanges

Duplex Ring Type Joint Flange

Duplex Ring Type Joint Flange

SDSS Spectacle Blind Flanges

SDSS Spectacle Blind Flanges

Gasket Sizes of Duplex Stainless Flange

NPS Gasket ID Gasket OD
900 LBS 600 LBS 400 LBS 300 LBS 150 LBS
3/4 1.006 2.075 2.0625 2.0625 2.0625 2.025
1/2 0.084 2.050 2.0125 2.0125 2.0125 1.0875
1 1/4 1.066 3.050 3.025 3.025 3.025 3
1 1.031 3.0125 2.0875 2.0875 2.0875 2.0625
2 2.038 5.0625 4.0375 4.0375 4.0375 4.0125
1 1/2 1.091 3.0875 3.075 3.075 3.075 3.0375
3 3.050 6.0625 5.0875 5.0875 5.0875 5.0375
2 1/2 2.088 6.050 5.0125 5.0125 5.0125 4.0875
4 4.050 8.0125 7.0625 7.000 7.0125 6.0875
6 6.062 11.0375 10.050 9.075 9.0875 8.075
5 5.056 9.075 9.050 8.0375 8.050 7.075
10 10.075 17.0125 15.075 14.0125 14.025 13.0375
8 8.062 14.0125 12.0625 12.000 12.0125 11
12 12.075 19.0625 18.000 16.050 16.0625 16.0125

Preferred Duplex Flanges Manufacturers for industries requiring strength, resilience, and precision

Buy Duplex Steel Flange Online With Different Faces and Pressure Class 150 to 2500 LBS

Duplex SS Flange Pressure Rating

Temperature in °F 2500 LBS 1500 LBS 900 LBS 600 LBS 400 LBS 300 LBS 150 LBS
-20 to 100 6000 3600 2160 1440 960 720 275
500 3880 2330 1395 930 620 465 170
650 3580 2150 1290 860 575 430 125
400 4140 2485 1490 995 660 495 190
600 3640 2185 1310 875 580 435 140
200 5000 3000 1800 1200 800 600 230
750 3460 2075 1245 830 555 415 95
300 4500 2700 1620 1080 720 540 205
700 3540 2125 1275 850 565 425 110
850 3300 1980 1190 790 530 395 65
800 3360 2015 1210 805 540 405 80
900 3240 1945 1165 780 520 390 50
1200 1285 770 465 310 205 155 20
1000 2675 1605 965 640 430 320 20
1300 715 430 255 170 115 85 20
1100 2145 1285 770 515 345 255 20
1050 2570 1545 925 615 410 310 20
950 3180 1910 1145 765 510 380 35
1350 515 310 185 125 80 60 20
1150 1655 995 595 400 265 200 20
1400 400 240 145 95 65 50 20
1250 945 565 340 225 150 115 20
1450 285 170 105 70 45 35 15
1500 230 135 80 55 35 25 10

DSS Lap Joint Flanges HSN Code

Product HS Code
Duplex 2205 Flange 73072100

ASTM A182 Duplex Orifice Flanges Surface Finish

  • Cold and Hot Dip Galvanized
  • Oil Black Paint
  • Yellow Transparent
  • Anti-rust Paint
  • Zinc Plated
Offer Super Duplex Stainless Steel Flanges in Various Grades Best Suited For High Temperature Services

Super Duplex Stainless Steel Flanges Applications

  • Oil and gas
  • Chemical processing
  • Marine engineering
  • Power generation
  • Heat exchangers
  • Desalination
  • Pressure vessels

Duplex Steel Blind Flanges Equivalent

Grade UNS Werkstoff no
Duplex 2205 UNS S31803 / UNS S32205 1.4462 / 1.4462

Super Duplex Orifice Flanges Equivalent

STANDARD UNS WERKSTOFF NR.
Super Duplex 2507 S32750/S32760 1.4410

Duplex SS Slip On Flange Chemical Composition

Grades Si Cr Mo P S Fe Ni N C Mn
S32205 1.00 max 21.0 – 23.0 2.50 – 3.50 0.030 max 0.020 max 63.54 min 4.50 – 6.50 0.8 – 0.20 0.030 max 2.00 max
S31803 1.00 max 22.0 – 23.0 3.0 – 3.5 0.030 max 0.020 max 63.72 min 4.50 – 6.50 0.14 – 0.20 0.030 max 2.00 max

Super Duplex SS Lap Joint Flanges Chemical Composition

Grade Mn Si Ni N Fe P S C Cr Mo
S32750/S32760 1.00 max 1.00 max 6.00 – 8.00 0.20 – 0.30 57.61 min 0.030 max 0.010 max 0.05 max 24.00 – 26.00 3.00 – 4.00

Mechanical Properties of Duplex Flange

Mechanical Property Value
Tensile Strength, ksi 90 min
0.2% Yield Strength, ksi 65 min
Hardness [HRC] 293 max
Elongation, % 25 min

Mechanical Properties of Super Duplex Flange

Grade Yield strength(0.2% offset) Tensile strength Elongation
S32750/S32760 PSi-80000, MPa-550 PSi-116000, MPa-800 15%

DSS Threaded Flange Physical Properties

Grades Density (lb/in 3) Density (g/cm 3) Melting Point (°F) Melting Point (°C)
S31803 / S32205 0.285 7.805 2588 – 2669 1420 – 1465

SDSS Spectacle Blind Flanges Physical Properties

Grade Density Melting point
S32750/S32760 7.8g/cm3 1350°C(2460°F)

What are the features of Super Duplex Steel S32760 Flanges?

  • Corrosion Resistance
  • Good Weldability
  • Low Maintenance
  • Excellent Fatigue Resistance
  • Ductility and Toughness
  • High Strength

Duplex Flanges Delivery Time and Location

Export to Shipping Time in Days
Belgium 9
Germany 9
Kuwait 10
Philippines 14
Uk 30
Malaysia 10
Italy 30
Netherlands 7
France 30
USA 40-60
Singapore 8
South Africa 25-30
Saudi Arabia 7
UAE 5 days
Oman 5

Ganpat Industrial Corporation is Also Top Carbon Steel Pipe Manufacturers in India Who Offer Custom Sizes

ganpat industrial corporation

6 Reasons to choose Ganpat Industrial Corporation

  1. Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
  2. Stockholder and importer of Ferrous and non ferrous metals.
  3. Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
  4. Marine grade steel at lowest price in Mumbai.
  5. Compare Price per KG in India and China.
  6. Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA