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ANSI B 16.5, ASME B 16.47 Duplex Steel Screwed Flange, of ASTM A182 Duplex Steel S31803 Screwed Flanges, Exporter of Duplex Steel S32205 Raised Face Screwed Flanges, MSS SP44 Duplex Steel ANSI 150 Screwed Flanges Stockiest.

of Duplex Steel S31803 Screwed Flange, Duplex Steel S32205 Screwed Flange Supplier, Duplex Steel UNS S31803 Screwed Flanges Exporter, Duplex Steel S31803/S32205 DIN 2642 Screwed Flanges in India.

Screwed / Threaded flanges are widely demanded as pipe flanges i.e called as threaded pipe flanges used in different industrial applications.

Duplex Steel Screwed Flange are also known as threaded flanges , and it is having a thread inside the flange bore which fits on the pipe with matching male thread on the pipe. This type of joint connection is Speedy and simple but not suitable for high presser and temperature applications. Threaded Flanges are mostly used in utility services such as air and water.

We are the leading Manufacturers, Supplier and Exporters of Screwed/Threaded Flanges using high quality raw materials. These Flanges is used to connect other threaded components in low pressure, non-critical applications.

These flanges can be attached to the pipe without welding and applicable in highly volatile areas where welding is hazardous. These Flanges widely used in various applicaions industry. These Flanges is available in various size, grades, Specification & thickness as per the clients requirments. These flanges are offered at market leading rates.

B16.5 ASTM A182 Screwed Flange, Fusion Bonded Epoxy Coating, EN 1092-2 PN16 Screwed Flange, ASME B16.5 Dual Duplex Steel Screwed Flange, ANSI B16.5 Class 150 Flat Face Screwed Flange, Duplex Steel S32205 30 Inch Screwed Flange Stockiest.


Standards Specification:

  • Size : 1/2" to 48"
  • Specifications : ASTM A182
  • Rating: 150#, 300#, 600 (2.4640)#, 900#, 1500#, 2500#,

Material & Grade :

Duplex Steel:
Grade: 2205 (1.4507)

Chemical Composition

Grade Common Name C% Mn% Si% P% S% Cr% Ni% Mo% N%
2205 (1.4507) S31803 0.030 2.00 1.00 0.030 0.020 21.0-23.0 4.5-6.5 2.5-3.5 0.08-0.20
2205 (1.4507) S32205 0.030 2.00 1.00 0.030 0.020 22.0-23.0 4.5-6.5 3.0-3.5 0.14-0.20

Mechanical Properties

Tensile strength 620MPa min Density 7,805kg/m3
Yield strength 450MPa mi Elastic modulus 200GPa

Product Features:

  • Sturdy design
  • Accurate dimensions
  • High strength
  • Corrosion resistant
  • Smooth transition from flange thickness to pipe
  • Can be easily radio graphed for flaw detection
  • Can be easily welded to a pipe or fitting with a single full penetrations

Other grades also available :

Stainless Steel :
Grade: 304 (1.4301), 304L (1.4307), 304H (1.4948), 309 (1.4828), 309S, 310, 310S (1.4845) , 316 ( 1.4401), 316H, 316L( 1.4404 /1.4432) , 317, 317L (1.4438), 321 (1.4541), 321 H(1.4878), 347 (1.4550), 347H (1.4961), 904L (1.4539)
Nickel :
Grade: Nickel 200, Nickel 201
Super Duplex Steel:
Grade: 2507 (UNS S32750) (1.4410) (UNS S32750), Z100
Inconel :
Grade: Inconel 600 (2.4640), Inconel 601 (2.4851), Inconel 625 (2.4856), Inconel 718(2.4668)
Titanium :
Grade: Gr.1 (3.7025) , Gr.2 (3.7035) , Gr.3:(3.7055) , Gr.5(3.7164/65), Gr. 7(3.7235) , Gr. 11 (3.7225)
Monel :
Grade: Monel 400 ( 2.4360), Monel K500, Monel R-405
Hastalloy :
Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X
Incoloy :
Grade: Incoloy 800 (2.4958), Incoloy 800H, Incoloy 800HT

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Manufacturing Process :

The manufacturing process of flange mainly is divided into forging, casting, cutting and rolling. .

The casting and forging flanges have advantages that the blanks of them have accurate shape, size and low costs and only need simple process. But forging flanges have manufacturing defects such as blowholes, cracks, etc and have not very smooth internal organization streamline. The obvious advantages of forging flanges are that they can be forged in various shapes and they have low costs. .

Forging flanges generally have lower carbon content than the casting flanges and are not easy to rust. They have smooth streamline, uniform internal organization, and better mechanical performance than that of casting flanges. There are no defects, such as blowholes and cracks existing in the casting flanges. Forging flanges are able to withstand higher shear and drawing forces than casting flanges. However, if adopting improper forging process, it will also cause appearance of large, uneven grains and solidification cracking phenomenon, resulting in higher cost than the casting flanges. .

We can distinguish between the casting flanges and forging flanges from the different production process. To take the centrifugal flange as an example, it is a kind of casting flange. Centrifugal flanges are produced by a precision casting method, which makes the flanges’ organization smaller than those commonly produced by sand casting and improves the quality of flanges, making fewer occurrences of loose tissue, pore, sand hole etc.

Cutting process refers to producing flanges by directly cutting a round plate with the inner diameter, outer diameter and thickness which can be further processed later from the middle plate, and then processing the bolt hole and waterline. The maximum diameter of such flanges is limited by the width of the middle plate.

Cutting process refers to producing flanges by cutting stripes from the middle plate and then rolling them into round shape. This process is mainly used for the production of large flange. After the rolling process, weld and then flatten the round shape, and finally process the serrated spiral finish and bolt hole.

Product Usage & Application :

  • Useful in Paper & Pulp Companies
  • Useful in High Pressure Applications
  • Useful in Oil and Gas Industry
  • Useful in Chemical Refinery
  • Useful in Pipeline
  • Useful in High Temperature Application
  • Useful in Water Pipe Line
  • Useful in Nuclear Power Plants
  • Useful in Food Processing and Dairy Industries
  • Useful in Boiler & Heat Exchangers

Packing :

  • Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
  • We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
    • Shrink-wrapped
    • Carton boxes
    • Wooden pallets
    • Wooden boxes
    • Wooden crates

Why Choose Us :

  • You can get the perfect material according to your requirement at the least possible price.
  • We also offer Reworks, FOB, CFR, CIF, and door to door delivery prices. We suggest you to do deal for shipping which will be quite economical.
  • The materials we provide are completely verifiable, right from raw material test certificate to the final dimensional statement.(Reports will show on requirement)
  • e guarantee to give a response within 24hours(usually in the same hour)
  • You can get stock alternatives, mill deliveries with minimizing manufacturing time.
  • We are fully dedicated to our customers. If it will not possible to meet your requirements after examining all options, we will not mislead you by making false promises which will create good customer relations.

Tests we carry out (including both Destructive and Non-Destructive) :

  • Positive material recognition
  • Mechanical examining like tensile, Elongation and reduction of area.
  • Large-scale test
  • Chemical examination-Spectro analysis
  • Firmness test
  • Pitting protection test
  • Small tests
  • X-ray test
  • Impact analysis
  • Eddy current examining
  • Hydrostatic analysis
  • Prompt test

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