Stainless Steel 304 Weld Neck Flanges Manufacturer and Exporter in UAE

Naysha Steel and Alloys is one of the best manufacturers as well as exporter in UAE, of Stainless steel 304 weld neck flanges. Their products are known for their quality and they are designed in such a way that it fits the requirement of different industry including oil, gas, petrochemicals as well as marine operation. It recognizes the need for weld neck flanges to ensure safe and reliable transfer of energy in a despotic systems. They therefore engineer their flanges to extremely high standards using the latest tools and technologies in order they produce precise, accurate, and durable products. Weld Neck Flanges play an integral role in pipe systems, and they help make robust connections that do not leak out material inside the pipe. On the longer or shorter shape of the necks, which supports and strengthens any pipes it is connected to, reducing stress that would require numerous connections for materials therefore decreasing weak points. These Stainless Steel 304 Weld Neck Flanges are made by Naysha can be produced with considerable accuracy from quality materials, to result in optimum performance. For this reason, weld neck flanges have an interesting feature where special holes at the top of the smaller sizes are noted. This design not only makes the flange as a strengthen needed throughout but also provides a very accurate remedy for situations where there are almost negligible space or absolutely critical design details. Lastly, Naysha Steel and Alloys proves to be a stable company that engages in the manufacture andexportation of Stainless Steel Weld Neck Flanges in UAE. The flanges in their products areengineered with precision to utilize recent tools and technologies in their production of precise, accurate, necessary devices. Also, trust on Naysha Steel and Alloys to provide you with the most reliable flange solutions.

Stainless Steel 304 Weld Neck Flanges Manufacturer and Exporter in UAE

Stainless Steel 304 Weld Neck Flanges Manufacturer And Supplier in United Arab Emirates (UAE)

As the premier manufacturer and exporter of Stainless Steel 304 Weld Neck Flanges, located in UAE, Naysha Steel and Alloys is at your service to provide customized solutions for all of your business needs. They are able to deliver on the delivery of high-quality flange products that meet the needs of different industrial sectors such as oil, gas, petrochemicals, and construction. Naysha Steel and Alloys shape their flanges with some elegant part of eyes using advanced tools and technologistics to fabricate precise accurate enduring shapes.Weld Neck Flanges are one of the elements that occur in pipe systems designed to provide assured connections for transmission fluid application and pressure differing without having any leakages. The long or short neck shape of the flanges provides extra support and strength to the pipes it connects, in thus motion possible stress acceptors are eliminated as a result of minimizing areas where materials are joined. Naysha steel and alloys produce the Stainless Steel 304 Weld Neck Flanges using special technology to have high quality welds. Weld neck flanges are being unique in small-sized dimensions with swift holes on the top side. This design warrants the entirety of the flange that remains generalized, and a very particular measure in instances where there is limited space or design features.It is evident that Naysha Steel and Alloys could be considered to be a reliable Stainless Steel Weld Neck Flanges manufacturer and supplier in the UAE. Call the Company Trust Naysha Steel to enjoy a great quality of flange solutions.

Stainless Steel 304 Weld Neck Flanges:-Benefits:

    The stainless steel 304 weld neck flanges are associated with so many advantages as compared to the other types of flanges. Take a look for the key benefits of stainless steel weld neck flanges.

  • High Strength: Apart from their strong features, Stainless Steel 304 Weld Neck Flanges are widely used for their high levels of reliability and resilience to high pressures. These are great for tough applications that need a solid answer that will last.
  • Corrosion Resistance: The Stainless Steel 304 Weld Neck Flanges are highly resistant to rust and corrosion therefore, suitable for use in varied environment having high temperatures, hard chemicals and various corrosive substances. This resistance guarantees an ultra-long durability operation of the electrical machine.
  • Leak-Proof Design:Stainless Steel 304 Weld Neck Flanges have a long neck and smooth transition, rendering lessening of stress arises due to leakage does not occur very frequently. Stable connection with a great level of safety on important operations.
  • Easy Installation: Stainless Steel 304 Weld Neck Flanges facilitate the installation of its more than any other variation in the event that a simple welding is known to handle then you must know they are time and energy saver when painful an upgrade or repair.
  • Wide Range of Applications: However, Stainless Steel 304 Weld Neck Flanges are broadly adopted for various industries. Their maximum part of endurance against corrosion and proper seal makes them the most suitable selection to use in many sectors. They are suitable for chemical manufacturing, making energy, oil and gas industry, and any operation on the sea.
  • Cost-Effectiveness: Companies make investments in equipment and accessories such as SS304 Weld Neck Flanges that are more expensive to purchase, but they have low maintenance costs ultimately translating into less capital expenditures in the longer run.
  • Compliance with Standards: Corresponding to the Industry ,the Stainless Steel 304 Weld Neck Flanges have distinct manufacturing processes where excellent quality and reliability are applicable in different pipe systems.

ASME B16.5 Weld Neck Flanges:Stainless Steel Class 304 weld neck flanges and SS 304 weldneck Manufacturer And Exporter In UAE

The ASME B16.5 documentation is a standard that determines methods of constructing pipe flanges and fittings with the view to covering essential features such as configuration of by-products, pressure temperature rating, material suitability, measurement designage resistance, dimensionals credible limitations observed marking testing as wellpieces depending upon openness considering features under standard engineering codes. The different flange types are definitely interesting, but with a special concentration on weld neck flanges in high-pressure regimes and demanding temperature conditions.Weld neck flanges which are very famous in ANSI 304 and pressure ratings can sit well with both extreme purposes of heat, as they handle effectively high temperature and scorching conditions. Technically, the corresponding numerical rating in this system of ratings is said to show the highest pressure capacity that can be borne by a flange under given temperature condition and expressed in pounds per square inch.

In the weld neck flanges manufacturing process materials are extremely important to be very specific it is Stainless Steel Class 304 that comes as an ideal choice because of its resistant nature against corrosion and sturdiness. This widespread product is another material used for those flanges and it is made of stainless steel 304. AS a large manufacturer, Naysha Steel and Alloys offers Welding Neck Flanges including Studies ss 304 weldneck flanges.For this particular Stainless Steel 304 Weld Neck Flanges, Naysha Steel and Alloys give the utmost emphasis on highest standard in manufacturing quality processes. These flanges are designed to meet the challenging specifications of different operational environments within a wide range of industries. Catering to the market needs in UAE, Naysha Steel and Alloys is a government – owned enterprise that offers Stainless Steel Class 304 Weld Neck Flanges suitable for customers with dependability and longevity while guarding against corrosion.

Stainless steel weldneck flanges process as per UAE standards

Sizes and Availablity of Stainless Steel 304 weld neck flanges in our UAE shop:

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

ASME B16.5, SS 304# and Stainless Steel 304 Weld Neck Flanges, Availablity In United Arab Emirates

ss weld neck flanges manufacturer exporter uae

The UAE has Naysha Steel and Alloys that is a principal manufactures of Stainless Steel 304 Weld Neck Flanges manufactured and exported. This grade also can be offered in the form of a large variety both as to the types, like ASME B16.5, ANSI Class 304 and others or to flanges reflecting this grade itself. The areas we cover include the industries of different kinds and many clients have chosen us to be their partner in the region based on our high quality, reliability, as well as commitment that this brings with it.

From the UAE our ASME B16.5 Stainless Steel 304 Weld Neck Flanges are manufactured and exported while they are known a strong, durable to surpass the life of other checked variants. Manufactured from premium SS 304 these flanges perform well in high-pressure and ambient temperatures, capable of the operation up to 1200 Celsius degree used for applications within oil and gas, petrochemical, power generation sectors as well several demanding industries.

In addition to this, Naysha Steel and Alloys in UAE provides an array of stainless steel weld neck flanges ASME B16.5 Stainless Steel 304, classified as ANSI. Our stock enables project and services to be carried out in time. The sized and the configuration of our flanges are diverse according to different needs that clients may have. Moreover, we offer custom products and invaluable services such as cutting, drilling and coating which ensure a better fit for pipping system applications.

Simple dimensionsal diagram to Understand of 304 Weld Neck Flange Dimensions

Pipe connections include by a Weld Neck Flange with cylindrical hub. The hub is welded at the end of the pipe, and then the neck goes all the way to become a joint to where the flange face connects. This planar surface is an important part of the seal joint and ensures that if another flange is to be joined with it then a perfect seal could be achieved. High accuracy in the dimensions, on the other hand, is a critical consideration since it influences fit and performance.The following diagram illustrates the key dimensions of a Weld Neck Flange:

SS Weld Neck Flanges Dimensions

The industries where stainless steel chemical processing, water treatment and food processing along with the addition of welding neck flanges 304 grade gain recognition for workability and form properties along with great corrosion swiftness. High-corrosion environments, irrespective of the type of chloride such as material is revealed to provide better corrosion resistance to environs for which commercial rotor Ulcer applications are chosen. The emphasis, on an exception to the above recommendation, is that when weld needs are implicated; SS 304l weld neck flanges are recommended since they have low carbon content to avoid carbide precipitation risks. Highly corrosive environments, such as chemical processing and offshore oil, and gas require specialized SS 904L weld neck flanges which offer the best corrosion resistance.

Grading of stainless steel according to the weld neck flanges is one very important decision that has not taken lightly in mind. It is affected by things such as temperature, pressure and specific demands encountered during application. For best performance and effective life span, it would be ideal working with a proven supplier or an experienced engineer. In the UAE, Naysha Steel and Alloys – a leading manufacturer and exporter of many projects in Stainless Steel 304 weld neck flanges type provides expertise to help select the best weld Neck Flange for a project involving all factors.

Stainless Steel 304 Weld Neck Flange Chemical Composition Table

Grade/ Marked Symbol Carbon (Max) Manganese (max) Silicon (maximum) Phosphorus (max) Sulfur (max) Chromium Molybdenum Nickel N
F304 0.08 2 0.75 0.045 0.030 18-20 - 8-11 -
F304L 0.035 2 1.00 0.045 0.030 18-20 - 8-13 -


SS 304 Weld Neck Flanges Price List in UAE: Valid From 1st February 2024

Take a look on price list of stainless steel 304 weld neck flanges in UAE

15mm 0.54 543.95 591.25 8.242 8.958 5.551 6.033 9.890 10.750
20mm 0.78 854.45 928.75 12.946 14.072 8.719 9.477 15.535 16.886
25mm 1.12 1009.70 1097.50 15.298 16.629 10.303 11.199 18.358 19.955
32mm 1.47 1179.90 1282.50 17.877 19.432 12.040 13.087 21.453 23.318
40mm 1.90 1475.45 1603.75 22.355 24.299 15.056 16.365 26.826 29.159
50mm 2.77 1707.75 1856.25 25.875 28.125 17.426 18.941 31.050 33.750
65mm 4.49 2717.45 2953.75 41.173 44.754 27.729 30.140 49.408 53.705
80MM 5.44 3105.00 3375.00 47.045 51.136 31.684 34.439 56.455 61.364
100mm 7.69 4347.00 4725.00 65.864 71.591 44.357 48.214 79.036 85.909
125mm 9.40 7452.00 8100.00 112.909 122.727 76.041 82.653 135.491 147.273
150mm 11.82 9315.00 10125.00 141.136 153.409 95.051 103.316 169.364 184.091
200mm 19.11 13972.50 15187.50 211.705 230.114 142.577 154.974 254.045 276.136
250mm 26.19 18630.00 20250.00 282.273 306.818 190.102 206.633 338.727 368.182


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SS Flange Welding Neck ANSI 150#, UNS S31803 Weld Neck Flanges Manufacturers, UNS S31803 Weld Neck Flanges Exporter, IS6392 Weld Neck Flanges, Weld Neck SS Flanges Manufacturer, UNS S31803 Weldneck Flanges Stockist, UNS S32205 Weld Neck Flanges Stockist : Grades & Classes (#)

  • ASTM A182 F304/F304L: Standard austenitic stainless steel grade.
  • Class 125: Class 125 Weld Neck Flange suitable for aggressive conditions.
  • Class 150: Weld neck flange design for low-pressure applications.
  • Class 600: Weld Neck Flange Class 600 designed for high-pressure applications.
  • Class 300: Flanges suitable for moderate-pressure applications.

SS Flange Welding Neck 150, 150# Weld Neck Flange SCH 80, Welding Neck Flanges SCH 40, 18 300 Class SCH 80 Weld Neck Flange, Stainless Steel Weld Neck Flanges Specifications

Specification Of : Weld Neck 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 Flange, ASME B16.48 Flange, API Flange, ASME Code for 12 inches Welding Neck Flanges, API605 Flange, BS4504 Flange, EN1092 Flange, UNI Flange, ISO Flange, API7S-43 Flange, ANSI/ASME B16.5 Flange, AWWA C207 Flange, B16.47 Series A & B Flange, API7S-15 Flange, MSS S44 Flange, IS 2062 Flange, ASME B16.36 Flange, DIN Flange, BS1560-3.1 Flange, ISO70051 Flange.
Minimum Pressure 150# To 2500#
Flange Face Type Raised Face, Groove And Small Tongue Groove, RTJ, Weld Neck Flanges Flat Face, Large Tongue & Large Male-Female And Small Male-Female, Lap-Joint Face.
Top Six Type Of Flanges Threaded, Lap Joint, Socket-Weld, Blind, Slip-On or Weld Neck Flanges
Thickness Length NPS ≤ 18
Welding neck flanges size (1/2") To (48")
Manufacturing Process Forged/ Machined/ Heat Treated
Other Type Of Flange Forged/ Plate/ Threaded
Application Oil And Gas Industry
Power Plants Industry
Food Processing And Manufacturing
Waterworks Systems
Fossil Fuel Power Plants
Nuclear Power Application
Municipal Pipe Systems


Please find below our other manufacturing and Sales network in UAE : (Contact us for detailed information for your nearest branches)

  • Stinless Steel 304 Weld Neck Flanges manufacturer and contractor in Al Ain, UAE.
  • SS 304 Weld-Neck Flanges manufacturer and supplier in Abu Dhabi, UAE.
  • Stainless Steel 304 Weldneck Flanges manufacturer and stockists in Dubai, UAE.
  • SS 304 Weld Neck Flanges manufacturer and Exporter in Ras Al Khaimah, UAE.
  • SS 304 Weld Neck Flanges manufacturer and warehousing in United Arab Emirates (UAE).
  • SS 304 Weld Neck Flanges manufacturer and wholesalor in Ajman City, UAE.

Frequently Asked Questions

What is a stainless steel weldneck flange?

A stainless steel weldneck flange is a type of pipe flange designed to be welded onto the neck of a pipe. It provides a smooth, high-strength connection for joining pipes, valves, and other equipment. All the standard Flange dimensional sizes are Readily available at any Naysha Steel branch in UAE.

What types of stainless steel material grades are used for weldneck flanges?

Common stainless steel materials include 304, 316, and 321, among others. The choice of stainless steel grade depends on the specific application and the required corrosion resistance.

What sizes are available for stainless steel weldneck flanges?

Stainless steel weldneck flanges are available in a wide range of sizes, typically ranging from 1/2 inch to several feet in diameter. The size you need depends on your specific piping system requirements. All the standard Flange dimensional sizes are Readily available at any Naysha Steel branch in UAE.

Can stainless steel weldneck flanges be used with other pipes?

Yes, stainless steel weldneck flanges can be used with pipes made of other materials, provided the flange material is compatible with the pipe material, and the connection is properly sealed.

Industries served by Stainless Steel 304 Weld Neck Flanges In UAE

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