Duplex Flanges

Duplex steel flanges

ASTM A182 F51 UNS S31803 Slip On Flange and Duplex 2205 Flanges manufacturer in India

Searching high pressure Duplex Stainless Steel Flanges manufacturers? Supplier & exporter of Duplex Steel Forged and Plate Flanges as per ASME B16.5

Duplex steel flanges are made from duplex steel material and it is a family of stainless steels. It is designed to provide better corrosion resistance, particularly chloride stress corrosion and pitting corrosion, and higher strength as compared to standard austenitic stainless steels such as stainless steel 304 or stainless steel 316. 
We Aesteiron Steels LLP, are the duplex flanges suppliers, it is available in wide range of sizes, grades and specification with excellent qualities.  It used for connecting much equipment in the piping system valves, pipes, and pumps.  
duplexss flange in most case is  tougher than ferritic stainless steel. In some cases its strength is double that for austenitic stainless steels. It provide better ductility than that of ferritic and martensitic grades. It can readily be used down to at least -50°C.

duplex stainless steel flanges are used extensively in the gas offshore and oil industry for pipework systems, risers, manifolds, etc. and also in petrochemical industry in the form of pressure vessels and pipelines.

duplex 2205 flange material has goodstrength and has high corrosion resistance, pitting corrosion and crevice corrosion. The nominal chemical composition of Duplex 2205 is chromium 22%, molybdenum 3.2%, nickel 5% and other alloying elements such as manganese and nitrogen.

Duplex 2205 flanges is a method of connecting pipes, valves, pumps and other equipment to form a piping system. 

duplex blind flange block off a section of pipe or a nozzle on a vessel that is not used. It is terminate the end of a piping system. It does not have a hub or a bored center.

Standard Specification Of Duplex 2205 flanges

Buy Class 150/ 300 Duplex Steel Flanges at factory price in Mumbai, check Price List, Dimensions and Pressure Rating

Specifications ASTM A182 / ASME SA182
Duplex Steel Flanges Standards ANSI/ ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges.
ASTM A182 Duplex Steel Flange HS Code Duplex Steel Flange HS Code : 7307
Duplex Steel Flanges Standard DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
Stainless Steel Duplex Flanges Standard ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Manufacturer and supplier
Duplex Flanges Standard UNI 6Bar 10Bar 16Bar 25Bar 40Bar
Duplex Stainless Flanges Standard JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
ASME B16.5 Duplex Steel Flange size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Stainless Steel Duplex Flange Standard EN 6Bar 10Bar 16Bar 25Bar 40Bar
Duplex Steel Pipe Flanges Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
ASTM A182 Duplex Steel Flange supporting material Gasket, Ring Joint, Flange Bolts
ASTM A182 Duplex Steel Flanges Production technique
  • Forged, Heat treated and machined
Duplex Flanges Main Types Forged / Threaded / Screwed / Plate
Most common types of Duplex Steel Flanges
  • Weld Neck Ring Flanges (WNRF)
  • Slip-On Ring Flanges (SORF)
  • Blind Ring Flanges (BLRF)
  • Socket Weld Ring Flanges (SWRF)
  • Threaded Ring Flanges
  • Lap Joint Ring Flanges (LJRF)
  • Ring Type Joint Flanges (RTJF)
Duplex Flange Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Large Male-Female (LMF), Flat Face (FF), Small Male-Female (SMF), Lap-Joint Face (LJF), Small Tongue, Large Tongue & Groove Manufacturer and supplier
Duplex Steel Flange Test X-ray detector, Direct-reading Spectrograph, Hydrostatic testing machine, UI trasonic flaw detector, Magnetic particle detector
Equipment for DSS Flange Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Duplex Flanges Origin Indian / West Europe / Japan / USA / Korean (Strictly No china)
Duplex Flanges Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Key markets and industries for Duplex Steel Flanges
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Duplex Steel Flanges Standard
  • ANSI Flange
  • JIS/ KS Flange
  • API 6A Flange
  • ASME Flange
  • DIN Flange
  • EN1092-1 Flange
  • UNI Flange
  • BS4504 Flange
  • GB Flange
  • AWWA C207 Flange
  • GOST Flange
  • PSI Flange
Duplex Steel Flanges Application
  • Duplex Stainless Flange used to Connect Pipe & Tubes in Shipbuilding Petroleum, Gas, Chemical, Construction, Power, Metallurgy,etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Duplex Stainless Steel Flanges Price List

Type Description USA FOB Price Malaysia FOB Price Europe FOB Price Singapore FOB Price Saudi Arabia (KSA) FOB Price
    Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr
Duplex steel flanges Size : 3"NB x 150LB, WELD NECK  US $ 20.82 Malaysia Ringgit 84.74 Euro 17.49 Singapore Dollar 27.90 Saudi Riyal 78.08

Various Types Of duplex blind flange

Duplex 2205 Flanges
Duplex Steel Flanges
Duplex Blind Flange
Duplex Ss Flange
Duplex Stainless Steel Flanges
Duplex Flanges
Dn450 18 Inch Weld Neck Duplex 2205 Flange
2 inch 600lb Sch40s Duplex Stainless Steel Blind Flanges
Astm A182 F51 F53 Duplex Flange
Uns S31803 Duplex Stainless Steel Flange
A182 F51 Duplex Stainless Steel Slip On Flange
Astm A182 F51 2 inch Duplex Stainless Long Welded Neck Flange
A182 F51 Duplex Stainless Steel Flange
Duplex Steel A182 F51 Female Threaded Flange
A182 F51 Duplex Stainless Steel Flange And 6 Inch Pipe Flange

Duplex Flange Weight

Finding the best duplex flanges suppliers for a critical use? Then look no further! A leading Manufacturer and supplier of Duplex Stainless Steel Flanges, Duplex 2205 Flanges in India
Standard Class Diameter Bolt Circle Diameter Number of Bolts Bolt Size Diameter of Bolt Hole
AS4087 Flanges PN14 Flanges 95 67 4 M12 14
AS 2129 Flange Table C Flanges 95 67 4 13 14
Table D Flanges 95 67 4 13 14
Table E Flanges 95 67 4 13 14
Table F Flanges 95 67 4 13 14
Table H Flanges 114 83 4 16 17
Table J Flanges 114 83 4 16 17
ANSI B16.5 Flanges ANSI 150 Flanges 89 60 4 13 16
ANSI 300 Flanges 95 67 4 13 16
ANSI 600 Flanges 95 67 4 13 16
ANSI 900 Flanges 121 83 4 19 22
ANSI 1500 Flanges 121 83 4 19 22
ISO 7005 (DIN) Flange PN6 Flanges 80 55 4 M10 11
PN10 Flanges 95 65 4 M12 14
PN16 Flanges 95 65 4 M12 14
PN20 Flanges 90 60.5 4 M14 16
PN25 Flanges 95 65 4 M12 14
PN40 Flanges 95 65 4 M12 14

Size of Duplex flanges

Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore ID
(SB)
WN Bore ID
(WB)
Dia. Hub Base
(HB)
Dia. of Hub Top
(HT)
SO LTH
(SL)
WN LTH
(WL)
1⁄2 3.50 0.38 1.38 4 0.62 2.38 0.88 0.62 1.19 0.84 0.56 1.81
3⁄4 3.88 0.44 1.69 4 0.62 2.75 1.09 0.82 1.50 1.05 0.56 2.00
1 4.25 0.50 2.00 4 0.62 3.12 1.36 1.05 1.94 1.32 0.62 2.12
11⁄4 4.62 0.56 2.50 4 0.62 3.50 1.70 1.38 2.31 1.66 0.75 2.19
11⁄2 5.00 0.62 2.88 4 0.62 3.88 1.95 1.61 2.56 1.90 0.81 2.38
2 6.00 0.69 3.62 4 0.75 4.75 2.44 2.07 3.06 2.38 0.94 2.44
21⁄2 7.00 0.81 4.12 4 0.75 5.50 2.94 2.47 3.56 2.88 1.06 2.69
3 7.50 0.88 5.00 4 0.75 6.00 3.57 3.07 4.25 3.50 1.12 2.69
31⁄2 8.50 0.88 5.50 8 0.75 7.00 4.07 3.55 4.81 4.00 1.19 2.75
4 9.00 0.88 6.19 8 0.75 7.50 4.57 4.03 5.31 4.50 1.25 2.94
5 10.00 0.88 7.31 8 0.88 8.50 5.66 5.05 6.44 5.56 1.38 3.44
6 11.00 0.94 8.50 8 0.88 9.50 6.72 6.07 7.56 6.63 1.50 3.44
8 13.50 1.06 10.62 8 0.88 11.75 8.72 7.98 9.69 8.63 1.69 3.94
10 16.00 1.12 12.75 12 1.00 14.25 10.88 10.02 12.00 10.75 1.88 3.94
12 19.00 1.19 15.00 12 1.00 17.00 12.88 12.00 14.38 12.75 2.12 4.44
14 21.00 1.31 16.25 12 1.12 18.75 14.14 13.25 15.75 14.00 2.19 4.94
16 23.50 1.38 18.50 16 1.12 21.25 16.16 15.25 18.00 16.00 2.44 4.94
18 25.00 1.50 21.00 16 1.25 22.75 18.18 17.25 19.88 18.00 2.62 5.44
20 27.50 1.62 23.00 20 1.25 25.00 20.20 19.25 22.00 20.00 2.81 5.62
22 29.50 1.75 25.25 20 1.38 27.25 22.22 21.25 24.25 22.00 3.07 5.82
24 32.00 1.81 27.25 20 1.38 29.50 24.25 23.25 26.12 24.00 3.19 5.94

Duplex 2205 flanges Dimension Chart

Standard Class Diameter Bolt Circle Diameter Number of Bolts Bolt Size Diameter of Bolt Hole
AS4087 Flanges PN14 95 67 4 M12 14
AS 2129 Flange           Table C 95 67 4 13 14
Table D 95 67 4 13 14
Table E 95 67 4 13 14
Table F 95 67 4 13 14
Table H 114 83 4 16 17
Table J 114 83 4 16 17
ANSI B16.5         ANSI 150 89 60 4 13 16
ANSI 300 95 67 4 13 16
ANSI 600 95 67 4 13 16
ANSI 900 121 83 4 19 22
ANSI 1500 121 83 4 19 22
ISO 7005 (DIN) Flange           PN6 80 55 4 M10 11
PN10 95 65 4 M12 14
PN16 95 65 4 M12 14
PN20 90 60.5 4 M14 16
PN25 95 65 4 M12 14
PN40 95 65 4 M12 14

Duplex Flange Pressure Rating

Duplex 2205 Flange Ratings

Temp. ℃ Pressure-temperature rating for ASME B16.47 by class, bar
75 150 300 400 600 900
-29 to 38 10.0 20.0 51.7 68.9 103.4 155.1
50 9.8 19.5 51.7 68.9 103.4 155.1
100 8.8 17.7 50.7 67.5 101.3 152.0
150 7.9 15.8 45.9 61.2 91.9 137.8
200 6.9 13.8 42.7 56.9 85.3 128.0
250 6.0 12.1 40.5 53.9 80.9 121.4
300 5.1 10.2 38.9 51.8 77.7 116.6

UNS S31803 sorf flange Chemical Properties

Manufacturer of Duplex Steel Flanges in India, don't forget to compare our price with other Duplex Ss Flange manufacturers and Supplier, Check Duplex Flange Pressure Rating online, Buy Duplex F51 Flanges at best price in Mumbai
Grade C Mn Si S Cu Fe Ni
Duplex Steel S32205 201 0.02 max 0.35 max 0.35 max 0.01 max 0.25 max 0.40 max 99.0 min

Mechanical Behaviour of Duplex Stainless Steel Flanges

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Duplex Steel S32205 201 8.9 g/cm3 1446 °C (2635 °F) Psi – 67000 , MPa – 462 Psi – 21500 , MPa – 148 45 %

Equivalent Grades of Duplex Ss Flange

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
Duplex Steel S32205 1.4462 S32205 NW 2201 NA 12 НП-2 LC-Ni 99

Physical Properties of Duplex 2205 flanges

Properties Metric Imperial
Density 8.89 g/cm3 0.321 lb/in3
Melting point 1435 - 1446°C 2615 - 2635°F

If you searching a Duplex F51 Flanges Supplier from these places check our suppliers below

Products We supplied to following Locations
Duplex F51 Flange Netherlands, Malaysia, Russia, Dubai
Duplex Stainless Steel Flange Philippines, Indonesia, Dammam -KSA, Belgium
Duplex Blind Flange Malaysia, Taiwan, Los Alamos -Mexico, Philippines
Duplex Steel Flange Thailand, Germany, Czechia, Malaysia
Duplex Ss Flange Malaysia, USA, Bangladesh, Finland
Duplex 2205 Flanges Kuwait, Saudi Arabia (KSA), South Africa, Brazil
Dn450 18 Inch Weld Neck Duplex 2205 Flange Singapore, South Africa, Bahrain, Singapore
2 inch 600lb Sch40s DSS Blind Flange Hong Kong, Malaysia, Oman, UAE
Astm A182 F51 F53 Duplex Flange Chile, Italy, Iran, Singapore
Uns S31803 DSS Flange United Arab Emirates (UAE), Turkey, Norway, Malaysia
A182 F51 Duplex Stainless Steel Slip On Flange Europe, France, Qatar, Thailand
Astm A182 F51 2" Duplex Stainless Long Welded Neck Flange Egypt, Spain, Mexico, UK
A182 F51 Duplex Stainless Steel Flange United Kingdom -UK, Europe, Malaysia, UAE
Duplex Steel A182 F51 Female Threaded Flange Singapore, South Korea, NY 12203 (USA), Malaysia
A182 F51 DSS Flange And 6 Inch Pipe Flange UK, Canada, Poland, Ellington -United States
Dn15 1/2" Bspt Thread Duplex Stainless Steel Flange Philippines, Malaysia, Canada, Singapore
600lb Sch40s Duplex Stainless Steel Blind Flange Philippines, Australia, UK, Nigeria
Duplex Stainless Steel Anti-corrosion Flange Europe, Japan, Romania, Malaysia
A182 F51 Duplex Schedule 40 Steel Flange Malaysia, Colombia, Sweden, China

Duplex Flanges Suppliers in India

Duplex 2205 Flanges manufacturer