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Duplex Stainless Steel Flanges

  • Monel Flanges
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    • Monel 400 Flanges
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    • Inconel 625 Flanges
      • Inconel 625 Lap Joint Flanges
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      • Hastelloy C22 Weldneck Flanges
    • Hastelloy C276 Flanges
      • Hastelloy C276 Blind Flanges
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      • Hastelloy C276 Socket weld Flanges
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  • Duplex Stainless Steel Flanges
    • Duplex Stainless Steel Blind Flanges
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      • Duplex 2205 Socket Weld Flanges
    • Duplex Stainless Steel Slip On Flanges
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  • Super Duplex Flanges
    • Super Duplex 2507 Lap Joint Flanges
    • Super Duplex 2507 Weldneck Flanges
    • Super Duplex 2507 Slip On Flanges
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  • Slip On Flanges
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Home Flanges Duplex Stainless Steel Flanges

DUPLEX STAINLESS STEEL FLANGES MANUFACTURERS & SUPPLIERS ;
DUPLEX 2205 FLANGES – SAF 2205 , S31803, ZERON , 1.4462, F51 , 2205 DUPLEX FLANGES

Instinox are manufacturers and global distributors of Duplex stainless steel flanges. We are Duplex stainless steel flanges distributors in over 13 countries worldwide such as UAE, USA, Australia, Saudi Arabia, South Africa, Serbia, etc. We offer 100% product replacement warranty on all Duplex stainless steel flanges sold. . Instinox flanges supplied are packed in special and branded carton boxes and crate boxes depending on the mode of transport. Duplex Flanges are wrapped with special thin plastic and beveled ends are protected by plastic caps.

Our competitive pricing on Duplex stainless steel flanges makes us one of the most economical distributors in the industry. For your convenience we have established brand marking and identification on all stainless steel flanges manufactured. We also have a heat number traceability on all Duplex stainless steel flanges which makes sure that is can be traced back to the mill at which it was procured. . Our flanges are tested under the highest of pressures and have very high pressure sustainability.

DUPLEX STAINLESS STEEL FLANGES : PRODUCT

Duplex stainless steel flanges have a lower nickel and molybdenum content than normal austenitic stainless steel flanges. Due to this duplex stainless steel flanges are one of the lower costing flanges available. Duplex stainless steel flanges are subject to incredible corrosion resistance levels and also have very high mechanical strength. Duplex SS flanges also have proven toughness and ductility. They are tougher than ferritic grades. The better price stability on duplex stainless steel flanges is one of the reasons that it is being offered on a larger scale by a number of major manufactures around the world.

We manufacture flanges from sizes ½ to 36 and in dimensions from 15mm to 600mm.

DUPLEX STAINLESS STEEL FLANGES : TYPES

Duplex Stainless steel Flanges can be declassified into various types:

  • Duplex SS Blind Flange
  • Duplex SS Weld Neck Flange
  • Duplex SS Socket Weld Flange
  • Duplex SS Slip On Flange
  • Duplex SS Threaded Flange
  • Duplex SS Lap Joint Flange

All the above Duplex Stainless steel flanges can be made in raised face with hub or without hub.

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Application of Duplex Stainless Steel Flanges

Duplex stainless steel flanges have various applications in the following industries:

  • Chemical Process
  • Petrochemical
  • Oil & Gas
  • Pharmaceutical
  • Geothermal
  • Sea Water
  • Water Desalination
  • LNG (Liquefied Natural Gas)
  • Biomass
  • Mining
  • Utilities
  • Nuclear Power
  • Solar Power

Grades of Duplex Stainless Steel Flanges

At instinox we manufacture duplex stainless steel flanges in 10 different grades such as:

  • 2101 LDX
  • DX2202
  • RDN 903
  • 2304
  • 2205
  • 2507
  • Zeron 100
  • Ferrinox
  • 255/
  • Uranus 2507Cu

Other Products in Duplex Stainless Steel

  1. Duplex Stainless Steel Tube Fittings
  2. Duplex Stainless Steel Pipes
  3. Duplex Stainless Steel Tubing
  4. Duplex Stainless Steel Plates
  5. Duplex Stainless Steel Sheets
  6. Duplex Stainless Steel Fasteners
  7. Duplex Stainless Steel Valves
  8. Duplex Stainless Steel Bars

Other Grades of Flanges

We manufacture and supply Flanges in the following steel material:

  • Carbon Steel Flanges
  • Stainless Steel Flanges
  • Super Duplex Flanges
  • Inconel Flanges
  • Hastelloy Flanges
  • Titanium Flanges

Grades of Duplex Stainless Steel Flanges

  • Duplex 2205 Flanges

COMPOSITION OF DUPLEX 31803

Nickel

Ni

4.5-6.5%

Chromium

Cr

21.00-23.00%

Iron

Fe

Balance

Molybdenum

MO

2.5-3.5%

Manganese

Mn

2.00% max

Sulphur

S

0.02% max

Silicon

Si

1.00% max

Carbon

C

0.03% max

Phosphoorus

P

0.035% max

Nitrogen

N

0.08-0.2%

COMPOSITION OF DUPLEX 32205

Nickel

Ni

4.5-6.5%

Chromium

Cr

22.00-23.00%

Iron

Fe

Balance

Molybdenum

MO

3.00-3.5%

Manganese

Mn

2.00% max

Sulphur

S

0.02% max

Silicon

Si

1.00% max

Carbon

C

0.03% max

Phosphoorus

P

0.035% max

Nitrogen

N

0.14-0.2%

MECHANICAL PROPERTIES

MPA

Ultimate Tensile Strength

621 Min

MPA

Yield Strength

448 Min

%

Elongation

25 Min

HRB

Hardness

103 Max

Solution Treatment (Annealing) – Heat to 1010-1120°C and cool
rapidly

STANDARDS

Trade Name

Duplex Steel / SAF 2205/Zeron

UNS

S31803/S32205

Werkstoff Nr.

1.4462

En

X2CrNiMoN22-5-3

Bs

318S13

JIS

329J3L

AFNOR

Z3CND 22-05 Az

AISI

F51

SPECIFICATIONS

Types:
Blind, Slip On, Weld Neck, Socket Weld, Threaded, Lap Joint, Plate
Variations:
With Hub and Without Hub
Sizes:
1/2″ to 48″
Thickness
Class 150 – Class 2500
Ends
Slipon, Plain, Threaded, Blind
Dimensions
ASME/ANSI B16.5
Specification
ASTM A182
HS CODE
73072900
Duplex Stainless Steel Flanges

PRODUCTION OF DUPLEX STAINLESS STEEL FLANGES

We have world class machinery for manufacturing Duplex Stainless Steel Flanges Manufacturers. We have CNC, Lathe Machines as well as punch dyes required for manufacturing of Carbon Steel Duplex Stainless Steel Flanges. The forgings are outsourced. We have in house testing facilities like spectro machine, PMI Machine, Mechanical test, Hardness Test, Ultrasonic Testing, Hydrostatic Testing, Pressure testing, and manual inspection of gauge. Our production range also includes pipe fittings and fasteners which are considered piping accessories for a pipeline set up.

The production Raw material is subject to heat treatment for optimum use of dye for processes ahead. Then the Carbon Steel Duplex Stainless Steel Flanges are made as per dimensions specified in the ANSI Standards with hub or without addition of the hub. Then the Carbon Steel Duplex Stainless Steel Flanges are machines and finished followed by marking. process of Carbon Steel Duplex Stainless Steel Flanges is as follows.

QUALITY CONTROL OF DUPLEX STAINLESS STEEL FLANGES

As Duplex Stainless Steel Flanges manufacturers Instinox is backed by all world class certifications including ISO 9001:2008, ISO 14001:2004, OHSAS 18001:2007 & CE-PED 97/23/EC. We are also members of various renowned agencies and Chambers of Commerce including MASSMA, EEPC, FICCI, FIEO, Indian Merchants Chamber etc. We provide a 1 year product replacement warranty for all pipe fittings exported from our company. We guarantee the quality because 100% pipe fittings manufactured are checked in house for defects in quality and workmanship. Our quality program is a 3 layered independent department check for various factors including Dimensional Check, Visual Inspection, and Finishing, Burr level, Leakage Test, Pressure Rating test, Chemical inspection and Mechanical properties verification. We are running at full capacities and sometimes outsource our job due to increased work load.

Duplex Stainless Steel Flanges
Duplex Stainless Steel Flanges

DUPLEX STAINLESS STEEL FLANGES : BRAND

Duplex Stainless Steel Flanges Suppliers manufactured are marked with standard format of i-FIT-Size-Material-Heat Number. This heat number is 100% traceable to our records and we maintain very strict watch to ensure the authenticity of our brand isn’t duplicated by other brands.

PACKING & DOCUMENTATION OF DUPLEX STAINLESS STEEL FLANGES

Instinox Duplex Stainless Steel Flanges Suppliers supplied are packed in special and branded carton boxes and crate boxes depending on the mode of transport. Flanges are wrapped with special thin plastic and beveled ends are protected by plastic caps. They are then packed in the carton or wooden boxes. Socket weld ends are also protected by the caps for protection to the ends and the threads where applicable. It is important that the damages in transit are avoided and pipe fittings reach customer in the same form as it is manufactured. Thus we place lot of emphasis on packing and packaging of the goods.

Flanges carry various export documents such as commercial invoice, packing list, Test Reports, HS Code, Country of Origin attested by chamber of commerce, Fumigation Certificate, Warranty Letter, and Base Material Certificates.

Each heat and lot of tube fittings is supplied with a material test certificate as per EN 10204 NACE 3.1 standards indicating the chemical and mechanical properties of the pipe fittings along with pressure rating. We also confirm the guarantee of the fittings supplied as per Purchase order specifications and attest the same in the Material Test Certificate. We also welcome any third party inspection from an agency nominated by the customer to comply with NACE 3.2 Certification if required by customer at an extra cost.

Free samples in Stainless steel and carbons steel can be provided upon request to gauge quality and finishing of our Flanges against confirmed receipt of purchase order. We can also send photos upon request.

Duplex Stainless Steel Flanges

ONE MORE THING...

Fastest Delivery in the world.

At Instinox we target just one thing, the fastest seamless buying experience for our customers.

How we do it: Clients generally require fittings with great urgency. However it is impossible to stock all the fittings in available grades and sizes due to the number of items that are in the portfolio. However one element that is common to all the items is nuts and ferrules. We maintain ready stock of all standard sizes of nuts and ferrules in all the grades, the lead time is only the time of producing the body which is 3-4 days. We ensure a delivery to customer for urgent needs and shut down projects within 7 days that no company in the world can guarantee.

Thus we are the perfect choice for requirement of tube fittings manufactured with world class quality and required on urgent delivery basis.

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Brand Name
Instinox
Product Name
Duplex stainless steel flanges
Price
USD 1-100
Product Availability
Pre-Order Only
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