Stainless Steel Flanges Manufacturer and Supplier In Qatar

Naysha Steel and Alloy: we are proud to be your sole provider of premium-grade stainless steel flanges in Qatar. Being the regional market leader is a matter of great pride to us as a company because we always ensure 100% perfection and safety in whatever products we provide. Naysha Steel and Alloy is aware of how essential the part of the stainless steel flanges is in all kinds of industrial applications. It is for this reason that we have adopted strict standards and highly qualified engineering to ensure that our flanges are top notch and superior than your expectations. A wide range of stainless steel flanges featuring multiple sizes of dimensions with different specs for varied needs is the essence of our product range. We've got the best choice for you, in industry whether in oil and gas, petrochemical, chemical or marine sector.

We at Naysha Steel and Alloy, are relentless in our act of satisfying the customer and achieving this goal of theirs. We put transparency, integrity, and responsiveness on top of our priorities in the course of our business to ensure the experience you have with us only exceeds your expectations. Whether you are looking for a stainless steel flange or a whole solution for your equipment’s needs, when you choose Naysha Steel and Alloy as your supplier for in Qatar, you can be certain in your mind that you are getting not just the product, but also the service backed up by years of expertise and developed industry standards. Get in touch with us now and witness the difference that total vertical integration and high class processes can do to your business.

Stainless Steel Flanges Mnaufacturer Supplier in Qatar

Types of Stainless Steel Flanges

At Naysha Steel and Alloy we have the perfect stainless steel flange for any application which you are looking for. One of the features is the Flanges consisting of the following types: weld neck, slip-on, socket weld, threaded, and blind flanges. Weld neck flanges are well-known for the margin by which they outmatch in terms of strength, this delivers efficiency in the high-pressure applications and critical piping systems. A slim and simple flange which provides a cheap and fit alternative to the connecting pipes supported by easy one-step installation plays a significant role. Socket weld flanges provide a strong and secure leak-proof design that are both great for high pressure and high temperature environments. Properly grooved flanges deliver mounting ease, and maintenance relieve for gas and liquid pipelines, low pressure applications and non-critical jobs. Installed purposefully in the piping system or vessel, the blind flanges block the pipes' ends and prevent external objects from entering in the piping. This ensures not only safety but efficiency as well. Update your piping systems with the Stainless Steel Flanges provided by Naysha Steel and Alloy; you will be able to deliver unmatched performance and retain your trustworthiness during different industrial operations.

weldneck flanges
Stainless Steel Weld Neck Flanges

Stainless Steel Weld Neck Flanges are finely crafted for longevity, immunity to corrosion, and excellent serviceability in diverse industrial functions.

Slip-on flanges
Stainless Steel Slip on Flanges

Our stainless steel flanges designed for slip-on connections provide a hassle-free installation through reliable and efficient mediums in many industrial applications.

threaded flanges
Stainless Steel Threaded Flanges

Stainless steel threaded flanges from our product line are the trustworthy components for the piping systems due to their durability, corrosion resistance and ease of installation.

socket weld flanges
Stainless Steel Socket Weld Flanges

Stainless steel socket weld flanges ensure secured and leak-proof connections with unmatched performance in high-pressure, even high-temperature applications across industries.

blind flanges
Stainless Steel Blind Flanges

Stainless steel blind flanges are vital components in piping system which provide for sealing pipe ends, safety, and efficiency.

Stainless Steel SORF Flanges with Hub

Stainless Steel SORF Flanges with hubs are not only durable but also corrosion-resistant materials that guarantee the reliability of their applications under extreme conditions.

Get an estimate within 10 minutes!

Call us on: +91 9920190192
Call us on: [email protected]
Visit us: View Address

Features of Stainless Steels Flanges

Explore the unique properties of Naysha Steel and Alloy Stainless Steel Flanges. Cast from premium stainless steel, these flanges come with top-notch durability that clearly resists both corrosion, rust and harsh influences, hence prolong their lifespan. Built with versatility in mind, our stainless steel flanges are easily incorporated into a wide range of industrial and commercial applications, delivering outstanding performance in various settings. Designed with care, all flanges go through similar precision manufacturing processes, ensuring accuracy of dimensions, tight tolerances, and good grade. By means of increased strength and stability they can meet the requirements of such harsh operations as high-pressure and high-temperature applications, thus saving the life and property. We provide an extensive range of products that are different in size, type and configuration for various jobs and industries. Select Naysha Steel for its superior quality, strength, and performance, when it comes to applications.

Size of Stainless Steel Flanges In Qatar

Nominal Size Outside Diameter
Min. Thickness
RF Dia.
No. of Bolt Holes Diameter of Holes Bolt Circle
SO Bore ID
WN Bore ID
Dia. Hub Base
Dia. of Hub Top
12 3.50 0.38 1.38 4 0.62 2.38 0.88 0.62 1.19 0.84 0.56 1.81
34 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
114 4.62 0.56 2.50 4 0.62 3.50 1.70 1.38 2.31 1.66 0.75 2.19
112 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
212 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
312 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

Uses of Stainless Steel Flanges

  • Seamless welds ensure a tight seal between the pipe and the flange, which results in the uninterrupted flow of fluids in industrial processes.
  • They play a very important role in sealing the ends of pipes, preventing leaks and assuring the correctness and continuation of the construction.
  • These flanges with leak-proof connections let out fluid leakage and pollution eliminating the safety and efficiency of industrial operations.
  • It is designed in such way that it is convenient to assemble and disassemble, which facilitates maintenance and repair operations and reduces unexpected process downtime to the minimum.
  • Due to this prevention of leaks and maintained system performance, the use of stainless steel flanges makes safety standards more and safer while helping to build a safe workplace.

Stainless Steel Flanges Chemical Composition

Grade Chemical Composition(%)
Carbon Manganese Phosphorus Sulfur Silicon Nickel Chromium Molybdenum Titanium Other
F304 0.080 2.00 0.045 0.030 1.00 8.0-11.0 18.0-20.0 --- --- N0.10
F304L 0.030 2.00 0.045 0.030 1.00 8.0-13.0 18.0-20.0 --- --- N0.10
F316 0.080 2.00 0.045 0.030 1.00 10.0-14.0 16.0-18.0 2.00-3.00 --- N0.10
F316L 0.030 2.00 0.045 0.030 1.00 10.0-15.0 16.0-18.0 2.00-3.00 --- N0.10
F321 0.080 2.00 0.045 0.030 1.00 9.0-12.0 17.0-19.0 --- I N0.10

Quality of Stainless Steel Flanges

The lead priority is to ensure QUALITY standard in Naysha' Steel and Alloy. Stainless steel combinations, our craftsmanship, express the professionalism and longevity above others of the industry. The flanges engineered thoroughly are of the top quality stainless that explain their life time performances. For every flange produced, a thorough quality control is being done to confirm that it is in accordance with the international quality standards and the customer's specification. Stainless steel flange, being corrosion resistant, having high tensile strength and endow with perfect finish, is irreplaceable to assure the proper functioning and high durability in interplay with a variety of industrial application. Offering a wide range of industries including petrochemical plants and oil refineries to construction, the stainless steel flanges from Naysha Steel and Alloy stand out in each aspects because of their outperforming qualities and reliability preferred by clients from around the world.

Get an estimate within 10 minutes!

Call us on: +91 9920190192
Call us on: [email protected]
Visit us: View Address

Stainless Steel Flanges Manufacturer : Grades & Classes

  • Grade stainless steel 304l flanges/stainless steel 304 flanges: This is the most common stainless steel grade, offering good corrosion resistance and excellent weldability.
  • Grades 310 stainless steel flange: Known for its excellent performance
  • Grade stainless steel 316l flanges/stainless steel 316 flanges: Known for its superior corr osion resi stance, especially in environments with chlorides or acids.
  • Grad es 321 stainless steel flange/321h stainless steel flanges: Contains titanium, offering high temperature resistance and excellent weldability.
  • Grade 347: Contains niobium, providing improved high-temperature strength and resistance to intergranular corrosion.
  • Grade stainless steel 904l flanges: Offers excellent resistance to chloride-induced stress corrosion cracking.
  • Class 150: Designed for low-pressure applications.
  • Class 300: Suitable for moderate-pressure applications.
  • Class 600: Intended for high-pressure and high-temperature applications.
  • Class 900: Used in severe high-pressure and high-temperature environments.

Stainless Steel Flanges Specifications

Specification Of : Stainless Steel Flanges
JIS Standards 5K, 10K, 40K, 16K 20K 30K, 63K
Size Of Bore Diameter Flange NPS ≤ 10
Manufacturer Of Standard Dimensions EN-1092, ASME B16.48, API605, BS4504, EN1092, UNI, ISO, API7S-43, ANSI/ASME B16.5, API7S-15, MSS S44, IS 2062, ASME B16.36, DIN, AWWA C207, B16.47 Series A & B, BS1560-3.1, ISO70051, API.
Minimum Pressure 150# To 2500#
Flange Face Type Raised Face, Groove And Small Tongue Groove, RTJ, Flat Face, Large Tongue & Large Male-Female And Small Male-Female, Lap-Joint Face.
Type Of Flanges Manufacturer Threaded, Lap Joint, Socket-Weld, Blind, Slip-On, Weld Neck
Standard Materials Duplex Steel & Super Duplex Steel, Copper Nickel, Wrought Iron, Inconel, Mild Steel, Stainless Steel, Hastelloy, Cast Iron, Alloy Steel, Carbon Steel.
Thickness Length NPS ≤ 18
Size (1/2") To (48")
Manufacturing Process Forged/ Machined/ Heat Treated
Other Type Of Flange Forged/ Plate/ Threaded
Application Food Processing And Manufacturing
Waterworks Systems
Oil And Gas Industry
Power Plants Industry
Municipal Pipe Systems
Fossil Fuel Power Plants
Nuclear Power Application

Please find below our manufacturing and Sales network below: (Contact us for detailed info rmation for your nearest branches)

  • Flanges manufacturer and contractor in Doha
  • Flanges manufacturer and supplier in Al Khor
  • Flanges manufacturer and stockists in Dukhan
  • Flanges manufacturer and dealer in Ar-Rayyan
  • Flanges manufacturer and warehousing in Al-Wakrah
  • Flanges manufacturer and wholesalor in Al Rayyan Municipality
  • Flanges manufacturer and trader in Ras Mesaieed
  • Flanges manufacturer and stockholder in Umm Salal Muhammed

Frequently Asked Questions

What is a stainless steel flange?

A stainless steel flange is a circular component used to connect pipes, valves, pumps, and other equipment in a piping system. It provides a means for easy assembly and disassembly of these components.

How do I choose the right size and class of stainless steel flange for my application?

The size and class of a stainless steel flange depend on factors such as pipe size, pressure rating, temperature, and application requirements. Consult us, at Naysha Steel is recommended for proper selection.

Are there any special considerations when working with stainless steel flanges?

Yes, stainless steel flanges require proper handling to avoid contamination and damage. Welding should be done using appropriate techniques for stainless steel to maintain corrosion resistance.

Industries served by Stainless Steel Flanges In Qatar

In the oil and gas industry, blind Alloy Steel flanges are used in pipelines, storage tanks, and offshore platforms. They are employed for closing off openings during maintenance, repair, or when a branch connection is not required. Petrochemical plants utilize blind Alloy Steel flanges in equipment such as reactors, distillation columns, and storage vessels. These flanges provide a secure and leak-proof seal when closing off unused openings or isolating sections of the process.

oil gas manufacturer
Oil and Gas Industries

The oil and gas industry includes a wide range of from drilling and production to refining and marketing. Some of the major players in this include oil and gas companies, service providers, equipment.

petroleum manufacturer supplier
Petroleum Industries

In the drilling process, stainless steel is used to make drill bits, pipes, and other equipment that must withstand high pressures and temperatures. Stainless steel is also used to make pumps, valves, and fittings for the transportation.

chemical flanges
Shipbuilding in India

In storage applications, stainless steel is used to make tanks and containers that can safely store corrosive and hazardous chemicals. It is also used in piping systems for chemical transfer and distribution chemical industry.

Marking & Pricing

Products are packaged to ensure that there is no damage during of goods transport. In case of exports, standard export packaging is done with utmost care in wooden covering or boxing. All products are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make customized marking on our products.

Quality Assurance

At Naysha Steel, all fittings and flanges are subject to strict inspection at each and every stage of the production process, from starting material purchasing to product dispatch. They are visually examined for compliance to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality compliance of products.

Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report