Duplex Flanges

 

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Duplex Flanges

 

Table Of Content

 

The Duplex Flanges are made from a stainless steel alloy that has both austenitic and ferritic microstructure. The 2205 Flanges are known for their high strength, and they can also withstand corrosion resistance better than 300 series stainless steel. This means that the Duplex Stainless Steel Flanges can better avoid stress corrosion cracking, which is commonly seen in the 316 and 317 grade stainless steel. However, the toughness and impact strength of the 2205 Duplex Stainless Steel Flanges is much lower compared to the 300 series stainless steel.

The ASTM A182 S32205 Pipe Flange has become quite popular in the last few years due to its exceptional chemical as well as mechanical properties. Compared to the stainless steel grades, the Duplex 2205 Blind Raised Face Flange has good usability and their cost difference has also become minimal due to increase in availability.

The ASTM A182 Gr F51 Uns S31803 Flange has a superior weight to strength ratio, and it possesses decent mechanical toughness. The ASTM A182 Gr F60 Flange however comes with difficult formability and they are great for fixed service simple flange connections. However, the SAF 2205 Slip On Flanges material has high workability and thus forming them into a round and complex structure is quite easy.

The DIN 1.4462 Forged Flange has high ductility and they have a long service life without much maintenance. This is why the ASTM A182 S32205 pipe flange is used for a wide range of applications across several industries like chemical, fertilizers, oil and gas, etc. An important reason why Asme Sa182 S32205 Welding Neck Flange is considered, because of its good resistance to stress corrosion cracking.

The ASTM A182 F51 Duplex Steel SWRF Flange can be effectively used in sea water and power generation equipment. The Saf 2205 Slip On Flanges come with a smooth surface and they show good performance upto the temperature of 600 degrees F. Flanges made with the ASTM A182 Uns S31803 Material also show excellent flow characteristics.

The Alloy 2205 threaded flanges are used in pipes that come with external threads- they can be attached easily without any welding. The duplex steel Lap Joint Flanges is used primarily in pipelines that require frequent dismantling to undergo routine inspections or maintenance.

The Duplex 2205 Flanges can be customized according to the shape, size, and dimensional requirements of the client. The surface finish of the Duplex Steel UNS S31803 F51 can also be changed as per the application needs. Clients should invest in high quality and dimensionally accurate Duplex Steel Gr. F60 S32205 products for optimal performance.

 

Duplex Flanges Price in india
Description Price
ASTM A182 F53 F51 F60 F55 Duplex Stainless Steel Customized Forged Flanges US $ 1.1 / Piece
Duplex Steel S31803 Slip on Forged Flanges US $ 4.7-520 / KG
Duplex Steel Weld Neck Flange US $ 50-100 / Piece
S32750 Duplex Stainless Steel Flanges US $ 14 / Piece
ASTM A182 F51 Duplex Stainless Steel Flange US $ 1-100 / Piece
Duplex Stainless Steel Flange Class150 ANSI B16.5 US $ 0.5-2 / Piece
Flanges B16.5 Duplex Steel So RF Flange  US $ 0.5-2 / Piece
Duplex Steel S31803 1/2"-48" Wn Weld Neck Flange US $ 1.5-999 / Piece

 

Specification list of 2205 Flanges
Specifications ASME SA182/ ASTM A182
Grades Duplex 2205 A182 Gr F52 / F51 / F54 / F53 F57 / /F55 / F60 / F59 / F61
Size 1/8" NB - 24" NB
Dimensions B 16.47 Series A & B, ANSI/ASME B16.5, BS4504, B16.48, EN-1092, BS 10, DIN, etc.
Class 300#, 150#, 900#, 600#, 2500#, 1500#
Standards ASME Flanges, ASTM, DIN Flanges, ANSI Flanges, BS Flanges, EN Flangesetc.
JIS 10 K, 5 K, 20 K, 16 K , 40 K, 30 K, 63 K
DIN 10Bar, 6Bar, 25Bar, 16Bar, 40Bar / PN40, PN10, PN6, PN25, PN16, PN64
Flange Face Type Raised Face (RF), Flate Face (FF), Ring Type Joint (RTJ)
Flanges Types Forged Flanges, Expander Flanges, Reducing Flanges, Blind Flanges, Socket Weld Flanges, Orifice Flanges, Flat Flanges, Slip On Flanges, High Hub Blinds Flanges, Lapped Joint Flanges, Threaded Flanges, Nipo Flanges, Long Neck Weld Flanges, Square Flanges, RTJ Flanges etc

 

Duplex Stainless Steel Flanges Standards
ASME B16.5-2013 ASME B16.47-2011 MSS SP-44-2010
EN 1092-1-2007 EN 1759-1-2004 ISO 7005-1-1992
GB/T 9112-2010 GB/T 9123-2010 AS 2129-2000
HG/T 20592-2009 HG/T 20615-2009 HG/T 20623-2009
SH/T 3406-2013 GOST- AFNOR- BS- DIN -

 

Duplex Flanges

 

Most Common Types of Alloy 2205 Flange
Duplex Flanges
Duplex Flanges
Duplex 2205 Blind Raised Face Flange
Duplex 2205 Blind Raised Face Flange
 SAF 2205 Slip On Flanges
SAF 2205 Slip On Flanges
Asme Sa182 S32205 Welding Neck Flange
Asme Sa182 S32205 Welding Neck Flange
DIN 1.4462 Forged Flange
DIN 1.4462 Forged Flange
Alloy 2205 threaded flanges
Alloy 2205 threaded flanges
Uns S31803 Forged Flange
Uns S31803 Forged Flange
Duplex Stainless Steel Flanges
Duplex Stainless Steel Flanges

 

Buy UNS S31803 Weld Neck and SWRF Flange at Best price in India and save up to 20%

 

Astm A182 S32205 Pipe Flange Weight Chart
Standard Diameter Class Number of Bolts Bolt Size Bolt Circle Diameter Diameter of Bolt Hole
ANSI B16.5 Flanges 121 ANSI 900 Flanges 4 19 83 22
95 ANSI 300 Flanges 4 13 67 16
121 ANSI 1500 Flanges 4 19 83 22
89 ANSI 150 Flanges 4 13 60 16
95 ANSI 600 Flanges 4 13 67 16
AS 2129 Flange 95 Table F Flanges 4 13 67 14
95 Table D Flanges 4 13 67 14
95 Table C Flanges 4 13 67 14
114 Table H Flanges 4 16 83 17
95 Table E Flanges 4 13 67 14
114 Table J Flanges 4 16 83 17
AS4087 Flanges 95 PN14 Flanges 4 M12 67 14
ISO 7005 (DIN) Flange 90 PN20 Flanges 4 M14 60.5 16
95 PN10 Flanges 4 M12 65 14
80 PN6 Flanges 4 M10 55 11
95 PN16 Flanges 4 M12 65 14
95 PN40 Flanges 4 M12 65 14
95 PN25 Flanges 4 M12 65 14

 

Facing Type of Duplex 2205 Flanges
European Series American Series
Type B (Raised Face) Raised Face (RF)
Type A (Flat Face) Flat Face (FF)
Type G (O-Ring Spigot) Ring Joints Face (RJ)
Type D (Groove) Groove (G)
Type C(Tongue) Tongue (T)
Type F (Recess) Male (M)
Type E (Spigot) Female (F)
Type H (O-Ring Groove) -

 

SAF 2205 Slip On Flanges Pressure Class
Temperature °C 300 LBS 150 LBS 2500 LBS 400 LBS 900 LBS 600 LBS 1500 LBS
50 51.7 19.5 430.9 68.9 155.1 103.4 258.6
−29~38 51.7 20.0 430.9 68.9 155.1 103.4 258.6
100 51.5 17.7 429.4 68.7 154.6 103.0 257.6
200 48.3 13.8 402.8 64.5 145.0 96.7 241.7
150 50.3 15.8 418.2 66.8 150.6 100.3 250.8
250 46.3 12.1 386.2 61.7 139.0 92.7 231.8
325 41.4 9.3 344.3 55.0 124.0 82.6 206.6
300 42.9 10.2 357.1 57.0 128.6 85.7 214.4
350 40.3 8.4 335.3 53.6 120.7 80.4 201.1
400 36.5 6.5 304.9 48.9 109.8 73.3 183.1
375 38.9 7.4 323.2 51.6 116.5 77.6 194.1
425 35.2 5.5 291.6 46.5 105.1 70.0 175.1
675 11.5 - 96.0 15.4 34.6 23.0 57.6
475 31.7 3.7 263.9 42.3 95.1 63.4 158.2
450 33.7 4.6 281.8 45.1 101.4 67.7 169.0
500 28.2 2.8 235.0 37.6 84.7 56.5 140.9
550 25.0 - 208.0 33.3 74.8 49.8 124.9
538 25.2 1.4 208.9 33.4 75.2 50.0 125.5
575 24.0 - 199.5 31.9 71.8 47.9 119.7
625 18.3 - 152.0 24.3 54.9 36.6 91.2
600 21.6 - 178.5 28.6 64.2 42.9 107.0
650 14.1 - 117.3 18.8 42.2 28.1 70.4

 

Manufacturer of Astm A182 S32205 Pipe Flange in Types of BLRF/ SORF/ WNRF/ LWNRF/ Socket weld and Forged Flanges according to ASME/ ANSI B16.5

 

Thickness Chart of ASTM A182 Gr F51 Uns S31803 Flange

Thickness Chart of ASTM A182 Gr F51 Uns S31803 Flange

Hastelloy Flanges Wall Thickness
(Outside Daimeter) Normal Pipe Size (NPS) Sch 40 STD Wall Outside Daimeter Sch 20 Sch 10 Sch 30 Sch 60 EXT Hvy Outside Daimeter Schedule 140 Schedule 100 Schedule 80 Schedule 120 XX Hvy Schedule 160
1.05 ¾ 0.113 0.113 ... 0.083 ... ... 0.154 ... ... 0.154 ... 0.308 0.219
0.84 ½ 0.109 0.109 ... 0.083 ... ... 0.147 ... ... 0.147 ... 0.294 0.188
1.315 1 0.133 0.133 ... 0.109 ... ... 0.179 ... ... 0.179 ... 0.358 0.25
1.9 1 ½ 0.145 0.145 ... 0.109 ... ... 0.2 ... ... 0.2 ... 0.4 0.281
1.66 1 ¼ 0.14 0.14 ... 0.109 ... ... 0.191 ... ... 0.191 ... 0.382 0.25
2.375 2 0.154 0.154 ... 0.109 ... ... 0.218 ... ... 0.218 ... 0.436 0.344
3.5 3 0.216 0.216 ... 0.12 ... ... 0.3 ... ... 0.3 ... 0.6 0.438
2.875 2 ½ 0.203 0.203 ... 0.12 ... ... 0.276 ... ... 0.276 ... 0.552 0.375
4 3 ½ 0.226 0.226 ... 0.12 ... ... 0.318 ... ... 0.318 ... 0.636 ...
5.563 5 0.258 0.258 ... 0.134 ... ... 0.375 ... ... 0.375 0.5 0.75 0.625
4.5 4 0.237 0.237 ... 0.12 ... ... 0.337 ... ... 0.337 0.438 0.674 0.531
6.625 6 0.28 0.28 ... 0.134 ... ... 0.432 ... ... 0.432 0.562 0.864 0.719
10.75 10 0.365 0.365 0.25 0.165 0.307 0.5 0.5 1 0.719 0.594 0.844 1 1.125
8.625 8 0.322 0.322 0.25 0.148 0.277 0.406 0.5 0.812 0.594 0.5 0.719 0.875 0.906
12.75 12 0.406 0.375 0.25 0.18 0.33 0.562 0.5 1.125 0.844 0.688 1 1 1.312
16 16 0.5 0.375 0.312 0.25 0.375 0.656 0.5 1.438 1.031 0.844 1.219 ... 1.594
14 14 0.438 0.375 0.312 0.25 0.375 0.594 0.5 1.25 0.938 0.75 1.094 ... 1.406
18 18 0.562 0.375 0.312 0.25 0.438 0.75 0.5 1.562 1.156 0.938 1.375 ... 1.781
22 22 ... 0.375 ... 0.25 ... ... 0.5 .... ... ... .... .... ....
20 20 0.594 0.375 0.375 0.25 0.5 0.812 0.5 1.75 1.281 1.031 1.5 ... 1.969
24 24 0.688 0.375 0.375 0.25 0.562 0.969 0.5 2.062 1.531 1.219 1.812 .... 2.344
30 30 .... 0.375 0.5 0.312 0.625 .... 0.5 .... .... .... .... .... ....
26 26 .... 0.375 .... .... .... .... 0.5 .... .... .... .... .... ....
36 36 0.75 0.375 0.5 0.312 0.625 .... 0.5 .... .... .... .... .... ....
42 42 …….. 0.375 …….. …….. …….. …….. 0.5 …….. …….. …….. …….. …….. ……..
40 40 .... 0.375 .... .... .... .... 0.5 .... .... .... .... .... ....
48 48 …….. 0.375 …….. …….. …….. …….. 0.5 ……..

 

Asme Sa182 S32205 Gasket Dimensions
Gasket Inside Daimeter
Normal Pipe Size Gasket Outside Daimeter
600 LB 300 LB 150 LB 400 LB 900 LB
1.06 3/4 2.625 2.625 2.25 2.625 2.75
0.84 1/2 2.125 2.125 1.875 2.125 2.50
1.31 1 2.875 2.875 2.625 2.875 3.125
1.91 1 1/2 3.75 3.75 3.375 3.75 3.875
1.66 1 1/4 3.25 3.25 3 3.25 3.50
2.88 2 1/2 5.125 5.125 4.875 5.125 6.50
2.38 2 4.375 4.375 4.125 4.375 5.625
3.50 3 5.875 5.875 5.375 5.875 6.625
5.56 5 9.50 8.50 7.75 8.375 9.75
4.50 4 7.625 7.125 6.875 7.00 8.125
6.62 6 10.50 9.875 8.75 9.75 11.375
10.75 10 15.75 14.25 13.375 14.125 17.125
8.62 8 12.625 12.125 11 12.00 14.125
12.75 12 18.00 16.625 16.125 16.50 19.625

 

Equivalent of Duplex 2205 Blind Raised Face Flange
F51/ F60 1.4462 UNS S31803
F53 1.4410 UNS S32750
F55 1.4501 UNS S32760

 

85% repeat orders from below countries
Duplex Stainless Steel Neck Weld Flange
Duplex Stainless Steel Neck Weld Flange
Mido, Egypt
 B16.5 Duplex Stainless Steel Blind Pipe Flange
B16.5 Duplex Stainless Steel Blind Pipe Flange
LCY GROUP, Taiwan
ASTM A182 F51 2 Duplex Stainless Integral Flange.
ASTM A182 F51 2" Duplex Stainless Integral Flange.
AHLIA CHEMICALS, Kuwait

 

Best Price Guranteed on Astm A182 F51 Duplex Steel Forged and RTJ Flange, Know more about Duplex 2205 Flanges Pressure Rating

 

Alloy 2205 threaded flanges Dimensions
ASME
  • ASME B16.5, Flanged Fittings and Pipe Flanges NPS 1/2 Through NPS 24
  • ASME B16.1, Flanged Fittings and Cast Iron Flanges Classes 125, 250 and 25
  • ASME B1.20.1, General Purpose, Pipe Threads
  • ASME B16.25, Buttwelding Ends
  • ASME B16.11, Socket Welding, Forged and Threaded Fittings
  • ASME B16.47, NPS 26 Through NPS 60 Large Diameter Steel Flanges
  • ASME B16.36, Orifice Flanges
  • ASME B31.3, Process Piping
  • ASME B31.1, Power Piping
  • ASME B46.1, Texture of Surface

 

Normal Pipe Size (NPS) Hub at Base Diameter Thickness Of Flanges Outside Daimeter (O.D.) Of Flange Diameter of Raised Face Lengtd Tdru Hub Bore And Diameter Radius of Fillet Hub at Bevel Diameter Socket Deptd
SORF (Slip-On) NPT (Threaded) SWRF (Socket) Weld Neck (WN) Loose (Lap Joint) Loose (Lap Joint) SORF (Slip-on) SWRF (Socket)
X Q O R Y Y Y B W r H Z
1/2 1-3/16 7/16 3-1/2 1-3/8 5/8 1-7/8 5/8 .90 .88 1/8 .84 3/8
3/4 1-1/2 1/2 3-7/8 1-11/16 5/8 2-1/16 5/8 1.11 1.09 1/8 1.05 7/16
1 1-15/16 9/16 4-1/4 2 11/16 2-3/16 11/16 1.38 1.36 1/8 1.32 1/2
1-1/4 2-5/16 5/8 4-5/8 2-1/2 13/16 2-1/4 13/16 1.72 1.70 3/16 1.66 9/16
1-1/2 2-9/16 11/16 5 2-7/8 7/8 2-7/16 7/8 1.97 1.95 1/4 1.90 5/8
2 3-1/16 3/4 6 3-5/8 1 2-1/2 1 2.46 2.44 5/16 2.38 11/16
2-1/2 3-9/16 7/8 7 4-1/8 1-1/8 2-3/4 1-1/8 2.97 2.94 5/16 2.88 3/4
3 4-1/4 15/16 7-1/2 5 1-3/16 2-3/4 1-3/16 3.60 3.57 3/8 3.50 13/16
3-1/2 4-13/16 15/16 8-1/2 5-1/2 1-1/4 2-13/16 1-1/4 4.10 4.07 3/8 4.00 7/8
4 5-5/16 15/16 9 6-3/16 1-5/16 3 1-5/16 4.60 4.57 7/16 4.50 15/16
5 6-7/16 15/16 10 7.5/16 1-7/16 3-1/2 1-7/16 5.69 5.66 7/16 5.56 15/16
6 7-9/16 1 11 8-1/2 1-9/16 3-1/2 1-9/16 6.75 6.72 1/2 6.63 1-1/16
8 9-11/16 1-1/8 13-1/2 10-5/8 1-3/4 4 1-3/4 8.75 8.72 1/2 8.63 1-1/4
10 12 1-3/16 16 12-3/4 1-15/16 4 1-15/16 10.92 10.88 1/2 10.75 1-5/16
12 14-3/8 1-1/4 19 15 2-3/16 4-1/2 2-3/16 12.92 12.88 1/2 12.75 1-9/16
14 15-3/4 1-3/8 21 16-1/4 2-1/4 5 3-1/8 14.18 14.14 1/2 14.00 1-5/8
16 18 1-7/16 23-1/2 18-1/2 2-1/2 5 3-7/16 16.19 16.16 1/2 16.00 1-3/4
18 19-7/8 1-9/16 25 21 2-11/16 5-1/2 3-13/16 18.20 18.18 1/2 18.00 1-15/16
20 22 1-11/16 27-1/2 23 2-7/8 5-11/16 4-1/16 20.25 20.20 1/2 20.00 2-1/8
24 26-1/8 1-7/8 32 27-1/4 3-1/4 6 4-3/8 24.25 24.25 1/2 24.00 2-1/2

 

2205 Duplex Stainless Steel Flanges Stock list
Max. Pressure Flange Schedule/Class Flange Connection Type Pipe Size - Pipe Flanges Flange Material
275 psi ASME B16.5 Class 150 Socket Weld 1/2" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 4" Forged Duplex
150 psi ASME B16.5 Class 150 FNPT 1/2" Duplex
720 psi ASME B16.5 Class 300 Slip On 2-1/2" Forged Duplex
150 psi ASME B16.5 Class 150 FNPT 3/4" Duplex
150 psi ASME B16.5 Class 150 Welded 1/2" Duplex
720 psi ASME B16.5 Class 300 Slip On 3" Forged Duplex
275 psi ASME B16.5 Class 150 Socket Weld 3/4" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 3" Forged Duplex
275 psi ASME B16.5 Class 150 Socket Weld 1-1/2" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 4" Forged Duplex
275 psi ASME B16.5 Class 150 Socket Weld 1-1/4" Forged Duplex
150 psi ASME B16.5 Class 150 FNPT 2" Duplex
720 psi ASME B16.5 Class 300 Slip On 1-1/2" Forged Duplex
275 psi ASME B16.5 Class 150 Socket Weld 2-1/2" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 1" Forged Duplex
275 psi ASME B16.5 Class 150 Socket Weld 2" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 1/2" Forged Duplex
275 psi ASME B16.5 Class 150 Socket Weld 3" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 2-1/2" Forged Duplex
150 psi ASME B16.5 Class 150 FNPT 4" Duplex
720 psi ASME B16.5 Class 300 Slip On 1/2" Forged Duplex
275 psi ASME B16.5 Class 150 Socket Weld 4" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 1" Forged Duplex
720 psi ASME B16.5 Class 300 FNPT 1-1/4" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 1-1/2" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 1-1/4" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 2" Forged Duplex
720 psi ASME B16.5 Class 300 Slip On 2" Forged Duplex

 

Schedule chart of Duplex Steel Lap Joint Flanges
NPS (Nominal Pipe Size) WNRF (Weld Neck) NPT (Threaded) SORF (Slip On) Loose (Lap Joint) SWRF (Socket Weld) BLRF (Blind)
¾ 2 2 2 2 2 2
½ 2 1 1 1 2 2
3 3 3 3 3 3
1 3 2 2 2 2 2
4 3 3 3 3 4
10 8 8 8 8 7
2 6 5 5 5 5 5
12 12 11 11 11 13
3 11.5 9 9 9 9 9
4 16.5 13 13 13 13 17
6 26 19 19 19 19 27
22 225 185 185 245 185 355
5 21 15 15 15 15 20
8 42 30 30 30 30 47
12 88 64 64 64 64 123
14 114 90 90 105 90 140
10 54 43 43 43 43 70
18 165 130 130 160 130 220
16 140 98 106 140 98 180
20 197 165 165 195 165 285
24 268 220 220 275 220 430

 

India's Largest Exporter of Duplex Steel Gr. F60 Lap Joint Flanges in All Sizes and Dimensions, view Alloy 2205 threaded flanges specification

 

Duplex Steel SWRF Flange Chemical Composition
Grade N Mn Si C S P Mo Cr Ni Fe
S32205 0.8 – 0.20 2.00 max 1.00 max 0.030 max 0.020 max 0.030 max 2.50 - 3.50 21.0 – 23.0 4.50 – 6.50 63.54 min
S31803 0.14 – 0.20 2.00 max 1.00 max 0.030 max 0.020 max 0.030 max 3.0 – 3.5 22.0 – 23.0 4.50 – 6.50 63.72 min

 

Mechanical Properties of DIN 1.4462 Forged Flange
Grades Melting Point (°F) Density (lb/in 3) Density (g/cm 3) Melting Point (°C)
S31803 / S32205 2588 – 2669 0.285 7.805 1420 – 1465