Duplex Flanges suppliers in UAE

Alloy 2205 blind flanges and UNS S32205 slip on flange manufacturers in Dubai


Duplex Flanges

What Makes Duplex Flanges Rust-resistant?

Duplex Flanges differ from austenitic stainless steel in that they include less nickel, more chromium, and close to 5% molybdenum. 2205 and 2507 are the two most popular duplex stainless steel. Due to its excellent corrosion resistance, 2507 is referred to as a "super duplex."
Like with any stainless steel, the amount of nitrogen, molybdenum, and chromium determines the stainless steel's ability to resist corrosion. Duplex stainless steel has high resilience to stress corrosion splitting even in sulfur and chloride conditions, making it corrosion-resistant.
It is a form of corrosion that can happen when a specific combination of conditions. These may include a corrosive atmosphere, maximum tensile, and a high enough temperature is met.

Which is Better: Flanged connections VS Welded connections For Duplex 2205 Flanges

An appropriate dual-phase ratio is a foundation for the outstanding efficiency of duplex stainless steel. Unfortunately, after welding, the double phase proportion of the joint is substantially out of balance, significantly lowering joint performance. Manual electrode arc welding has become the most often used method in practical uses.It is essential to understand how it affects joint performance.
The Duplex 2205 Flanges has a varied iron or austenitic phase concentration. The weld zone has the most excellent austenite content, whereas the heat-affected region has the minor austenite content.

Contact directly duplex stainless steel weld neck flanges and 2505 duplex flanges importers in the Middle East for the lowest price and fast delivery


Benefits & Uses Of Duplex Stainless Steel Flanges

Mixing ferritic with austenitic grades can produce a metal with a two-phase mechanical architecture that gains from the characteristics of microstructures.
Due to these qualities, duplex steel is valued in sectors like nuclear and industrial processing and oil and gas extraction.
Duplex Stainless Steel Flangesare now about half as robust as standard austenitic or ferritic stainless steels. They aren't as soft as austenitic grades, but duplex stainless steels are more ductile and robust than ferritic ones.

Check advantages of DDS flanges, stockists of DIN 1.4462 socket weld flanges in UAE, also check dimensions, composition, and weight chart as per ASME B16.5




Specialized in manufacturing

Duplex Flanges

Duplex Flanges consists of a two-phase microstructure, which is ferritic and austenitic.

Size

1/2 Inches To 48 Inches

Class

150 To 2500

Schedule

SCH 10S To SCH 80S

ASME

B16.5
ASTM A182 2505 Duplex Flanges


Properties Of Duplex Stainless Steel Flanges



Duplex 2205 Flanges Advantages
Duplex 2205 Flanges Advantages
  • Low thermal expansion
  • High energy absorption
  • Good weldability and workability
  • High strength and good fatigue resistance
  • Good general corrosion resistance
Duplex Stainless Steel  Flanges Are Typically Used In:
Duplex Stainless Steel Flanges Are Typically Used In:
  • hemical processing, transport and storage
  • Oil and gas exploration and offshore rigs
  • Marine environments
  • Chemical process plant
  • Marine environments
  • Pulp & paper manufacturing
DDS Flanges Facing Types
DDS Flanges Facing Types
  • Flat Face (FF)
  • Raised Face (RF)
  • Ring Type Joint (RTJ)
  • Tongue Face (TF)
  • Grooved Face (GF)
  • Make & Female Flanges

Duplex Flanges Specification


Specifications Duplex Flanges
Brand Name Schulzmann
Certificate ISO
Supporting Material For Flanges Gasket/ Ring Joint/ Flanges Bolts
Testing Hydrostatic testing machine
Magnetic particle detector
Direct-reading Spectrograph
UI trasonic flaw detector
Methods Of Forging Casting
Forging
Rolling
Cutting
JIS Standard 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
Size 1/2” to 24” (customized diameters: up to 60”.)
Payment Type L/C,T/T,D/P,Paypal
Available Packing Packing In Plywood Box And Plywood Pallet
Transportation In Air & Ocean and Land
DIN Standard PN6/ PN10/ PN16/ PN25/ PN40/ PN64
Equipment Pushing Machine
Press machine
electric bevelling machine
Class Class 150 to 2500. PN 2.5 to PN 250.
EN Standard 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar
Use In Marine & dredging
Sanitation
Process Instrumentation
Oil and Gas
Petrochemical/ Refinery/Chemical
Power etc.
Manufacturing Productivity 700 ton per month
Supply Ability 500 Ton Per Month
Face Type RF (Raised Face), RTJ (Ring Type Joint)


Duplex 2205 Flanges Price List


Description Price In US ($)
DUPLEX SS LWNRF, NPS 2 (DN 50) X 19.5 MM THK X 600#, HUB OD 84 MM X ID 45 US $450.77 Per KG
DUPLEX SS LWNRF, NPS 1.5 (DN40) X 18 MM THK X 600# HUB OD 70 MM X ID 34 US $726.46 Per KG
WELDNECK, 4 IN, CLASS 900, ASME B16.5 RF A/SA182 F51 US $4454.19 Per KG
1.5 INCH, 300#, BLRF DUPLEX -FLANGE US $57.93 Per KG
1.5 INCH, 600# RTJ, (WITHOUT RTJ GROOVE) UNS 32205 F60 US $410.56 Per KG
2 INCH, 300#, BLRF, DUPLEX Steel, F60, ASME B16.5 US $332.71 Per KG
1.5 INCH, CLASS 150, BLRF, DUPLEX, UNS 32205 B16.5 US $175.81 Per KG
SORF FLANGE, 1.5MM DUPLEX 2205, 150# US $195.10 Per KG
SORF FLANGE, 3MM, DUPLEX 2205, 300# US $1554.18 Per KG


Standard


Types Of ASTM A182 2505 Duplex Steel Flanges


Duplex Blind Flange

Duplex Blind Flange

Duplex 2205 Slip On Flange

Duplex 2205 Slip On Flange

Alloy 2205 Weld Neck Flange

Alloy 2205 Weld Neck Flange

DIN 1.4462 Threaded Flanges

DIN 1.4462 Threaded Flange

UNS S31803 RTJ Flanges

UNS S31803 RTJ Flange

Duplex S32205 Orifice Flanges

Duplex S32205 Orifice Flange

ASTM A182 F51 Spectacle Blind Flanges

ASTM A182 F51 Spectacle Blind Flange

Duplex Stainless Steel Plate Flanges

Duplex Stainless Steel Plate Flange

Duplex 2205 Reducing Flange

Duplex 2205 Reducing Flange

2205 Stainless Steel Raised Face Flanges

2205 Stainless Steel Raised Face Flange

Duplex 2205 Socket Weld Flanges

Duplex 2205 Socket Weld Flange

Duplex 2205 Flange

Duplex 2205 Flange

Duplex Stainless Steel Flanges

Duplex Stainless Steel Flange

Duplex Steel Flanges

Duplex Steel Flange

UNS S32205 Flange

UNS S32205 Flange

UNS S31803 Flange

UNS S31803 Flange

Duplex SS Flange

Duplex SS Flange

DDS Flanges

DDS Flanges



Duplex Flange Pressure Rating


*For Class 75, Class 150 and Class 300.

Temperature
°F
Working Pressure by Classes, psi
Class 75 Class 150 Class 300
-20~100 145 290 750
200 130 260 745
300 115 230 665
400 100 200 615
500 85 170 580
600 70 140 555
650 60 125 545
700 - 110 540
750 - 95 530


*For Class 400, Class 600 and Class 900.

Temperature
°F
Working Pressure by Classes, psi
Class 400 Class 600 Class 900
-20~100 1000 1500 2250
200 990 1490 2230
300 890 1335 2000
400 820 1230 1845
500 775 1160 1740
600 740 1115 1670
650 730 1095 1640
700 725 1085 1625
750 710 1065 1595


*For Class 1500 and Class 2500.

Temperature
°F
Working Pressure by Classes, psi
Class 1500 Class 2500
-20~100 3750 6250
200 3720 6200
300 3335 5560
400 3070 5120
500 2905 4840
600 2785 4640
650 2735 4560
700 2710 4520
750 2660 4430


Duplex Stainless Steel Flanges Formula


This is calculated the usage of weighted % of key alloying elements present in any particular grade of duplex stainless steel flanges. The formula used is:

PREn = % Cr + (3.3 x % Mo) + (16 x % N)



View heat treatment and manufacturing process of duplex 2205 flanges, manufacturers & suppliers of duplex S32205 orifice flange and ASTM A182 F51 spectacle blind flange in UAE


Class 150 2205 Duplex Flanges Dimensions


Class 150 2205 Duplex Flanges Dimensions

NPS
/strong>
O.D. of
flanges
Minimum
WT
Length Of Overall B.C. Number Holes O.D. of R/F
WNRF SORF
& SWRF
BLRF
Lapped Joint
O Q Y Diameter Number Diameter R
1/2 89 11.2 47.6 15.9 15.9 60.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.5 4 15 43
1 108 14.3 55.6 17.5 17.5 79.5 4 15 51
1.1/4 117 15.9 57.2 20.6 20.6 89.0 4 15 64
1.1/2 127 17.5 61.9 22.2 22.2 98.5 4 15 73
2 152 19.1 63.5 25.4 25.4 120.5 4 19 92
2.1/2 178 22.3 69.8 28.6 28.6 139.5 4 19 105
3 190 23.9 69.8 30.2 30.2 152.5 4 19 127
3.1/2 216 23.9 71.4 31.8 31.8 178.0 8 19 140
4 229 23.9 86.2 33.3 33.3 190.5 8 19 157
5 254 23.9 88.9 36.5 36.5 216.0 8 22 186
6 279 25.4 88.9 39.7 39.7 241.5 8 22 216
8 343 28.6 101.6 44.4 44.4 298.5 8 22 270
10 406 30.2 101.6 49.2 49.2 362.0 12 25 324
12 483 31.8 114.3 55.6 55.6 432.0 12 25 381
14 533 35.0 127.0 57.2 79.4 476.0 12 29 413
16 597 36.6 127.0 63.5 87.3 539.5 16 29 470
18 635 39.7 139.7 68.3 96.8 578.0 16 32 533
20 698 42.9 144.5 73.0 103.2 635.0 20 32 584
24 813 47.7 152.4 82.6 111.1 749.5 20 35 692


Heat Treatment Of Duplex Steel Flanges


Heat Treatment Of Duplex Steel Flanges


2205 Duplex Stainless Steel Flanges Mechanical Properties


Grade Duplex 2205 Flanges
Proof Stress 0.2% (MPa) 450
Elongation A5 (%) 25
Tensile Strength (MPa) 620


Duplex 2505 Weld Neck Flanges Chemical Composition


% Duplex 2205 Flanges
Cr 21-23
Mo 2.5-3.5
Ni 4.5-6.5
N 0.08-0.2
Cu -
Si 1.0
P 0-0.03
S 0-0.02
C 0-0.03
Mn 2.0


Don't forget to check our duplex SS plate flange oil & gas application, and also check the online inventory of duplex steel lap joint flanges


How Is Duplex Steel Flanges Made?


How Is Duplex Steel Flanges Made


UNS S32205 Flanges Physical Properties


Grade 2205
Elongation A5 (%) 25
Tensile Strength (MPa) 620
Proof Stress 0.2% (MPa) 450


Duplex Blind Flange Weight Chart


NPS Weight In Duplex 2205 Blind Flanges In KG
½ 2
¾ 2
1 2
3
4
2 5
7
3 9
13
4 17
5 20
6 27
8 47
10 70
12 123
14 140
16 180
18 220
20 285
22 355
24 430


2205 Duplex Slip On Flanges Tolerance


OD *
≤ 24 = 1.6 (mm) > 24 = ± 3.2 (mm)
ID
≤ 10 = ± 0.8 (mm) ≥ 12 = + 1.6 (mm) / - 0 (mm)
Hub OD
≤ 12 = + 2.4 (mm) / - 1.6 (mm) ≥ 14 = ± 3.2 (mm)
Drilling
B.C.= 1.6 (mm) Spacing Of Bolt Hole = ± 0.8 (mm)
Eccentricity Of Bolt Circle
≤ 2.1/2 = 0.8 (mm) max. ≥ 3 = 1.6 (mm) max.
Thick.
≤ 18 = + 3.2 (mm) / - 0 ≥ 20 = + 4.8 (mm) / - 0
thru Hub Length
≤ 18 = + 3.2 (MM) / - 0.8 (MM) ≥ 20 = + 4.8 (MM) / - 1.6 (MM)
Contact Face Dia.
1.6 MM R/F = ± 0.8 MM 6.35 MM R/F, Tongue and Groove


Questions Of DDS Flanges With Answers


Questions Of DDS Flanges With Answers