Stainless Steel 316 Weld Neck Flanges Manufacturer and Exporter in UAE

Among a number of companies in the UAE., Naysha Steel and Alloys stands tall as a leading manufacturer and exporter which is one of its kind, that deals with Stainless Steel 316 weld neck flanges. These flanges are famous for their quality and made according using the special designs as these are required by various industries, including oil and natural gas operations, petrochemicals companies or all marine operations It is critical to mention that weld neck flanges inserted into valves to provide a safe energy transfer in different systems help reduce potential catastrophic consequences. Their [flanges] design is very precise resulting in efficient and accurate flanges which form integral part of the pipes through which the connections are made, thus minimizing leakages. Naysha Steel and Alloys produce weld neck stainless steel 316 series which has been engineered accurately using materials with quality characteristics giving dependable performance. Otherwise, hook inlets and outlets are standard corner flanges that can provide additional strength to connected pipes thereby reducing stress and eliminating weak points arising from consecutive connections. In addition to these, Naysha presents weld neck flanges with special holes on smaller dimensions at the top; this has resulted into a unique design which makes considerable contribution towards increased overall strength while offering precise solutions for Since it is a rather solid company occupying itself with the manufacture and overseas sale of Stainless Steel Weld Neck Flanges in the UAE, Naysha steel and Alloys never ceases to provide proficient flange solutions basing on the latest tools that its employees employ to have precise productions.

Stainless Steel 316 Weld Neck Flanges Manufacturer and Exporter in UAE

Stainless Steel 316 Weld Neck Flanges Manufacturer And Supplier in UAE

On the same front, Naysha Steel and Alloys is UAE's only leading manufacturer and exporter of Stainless Steel 316 Weld Neck Flanges. They specialize in creating customized solutions to address various industrial applications and found above the bar when producing flange goods for oil, gas, petrochemicals and building industry. Naysha Steel and Alloys use modern tools and technology to manufacture weld neck flanges with ease of application, high precision, to last long. These two flanges are very important to rely upon in the pipe system as they provide secure fastener of fluid transmission processes and allow different kinds of pressures including leakage without any consequence. The unique profile of longer or shorter neck for these flanges gives an extra knack in term of support as well as strength to the pipes connected, minimizing stress points by ensuring reduced joined areas and quality weld. Naysha Steel and Alloys incorporate special technology producing Stainless Steel Flange 316 Weld Neck that ensures high-quality welds. These flanges possess a peculiar design that 's top side is cut profusely with swift holes while limiting the spacial features enabling the compression to make them suitable for confined spaces. Since Naysha Steel and Alloys is a consistent manufacturer and supplier, it can be depended on for quality StainlessSteel 316 Weld Neck Flanges used in the UAE. Naysha Steel can bring only the best flange solutions for you.

Stainless Steel 316 Weld Neck Flanges:Benefits:

    The stainless steel 316 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 316 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 316 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 316 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 316 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 316 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 SS 316 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 316 Weld Neck Flanges have distinct manufacturing processes where excellent quality and reliability are applicable in different pipe systems.

ASME B16.5 Weld Neck Flanges: ANSI 150# weld neck flanges and ANSI 300# weld neck flanges Manufacturer, Stainless Steel Class 316 weld neck flanges and SS 316 weldneck Manufacturer And Exporter In UAE

Among the major standards dealing with construction of pipe flanges and fittings is the one represented in ASME B16.5-specification. It also addresses vital issues such as by-product design, pressure - temperature ratings, material applicability, dimensional design features, resistance measurement techniques and valid limitations required for testing the product; respectively, marking it if there are safe or labelling which pose some threats. Additionally; it should comply with standard engineering codes required to prevent unscrupulous damages. This fact on their various flange types is quite interesting but special attention towards weld neck flanges, especially in high-pressure settings and harsh temperature environment stand out. Sometimes, a weld neck flange is supreme in handling extreme heat and scorching conditions during ANSI150# of ANSI300# pressure ratings. This numeric score of the pressure represents the most significant pressure to which a flange can sustain, in pounds per square inch under given temperature requiring. With the aim of being a leading stainless steel weld neck flanges manufacturer and exporter in the UAE, Naysha Steel and Alloys has established itself as specialists supplying high quality premium-grade Stainless Steel 316 weld neck flanges to give reliability when facing applications under harsh conditions.

In the production of weld neck flange in manufacturing process, make is a critical factor; and hence SS Class 316 comes out as the best material because it resists corrosion and also for its strength. Stainless Steel 316 is another widely employed composition for these flanges. Amid the most incredible players you have Naysha Steel and Alloys that manufactures Welding Neck Flanges including ANSI 150 and ANSI 300. As outlined in the are challenging to produce, Stainless steel 316 Weld Neck Flanges have a place of special focus for Naysha Steel and Alloys because it is looking to attain world-class standards of quality. These flanges are engineered to satisfy the many demanding specifications found within a broad range of various industries; they have been created to cater to the market's needs in UAE. Being in one of the lines as well, Naysha Steel and Alloys enables its customers to gain selection of Stainless Steel Class 316 Weld Neck Flanges that are designed for guaranteed reliability, hassle-free repairs, long use life and corrosion resistance.

Stainless steel weldneck flanges process as per UAE standards

Sizes and Availablity of Stainless Steel 316 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 316 and Stainless Steel 316, ANSI Class 150 and ANSI 300# Weld Neck Flanges Availablity In UAE

ss weld neck flanges manufacturer exporter uae

Naysha Steel and Alloys which is the top manufacturer in UAE. They specialize on manufacturing stainless steel 316 weld neck flanges for its production and export with customization facilities according to customers’ specifications The type of products we offer possess a variety that are second to none and which comply with standards like ASME B16.5 and ANSI Class 150. It has been embraced strongly across different industrial sectors, and thus, our reputation as a leading partner for most of the clients in the region due to high quality reliability.

Our ASME B16.5 - 316 Stainless Steel Weld Neck Flanges, manufactured in UAE for export purpose is one of the most reliable variants whose life span surpasses significantly other similar variants. The cast of SS 316 also provides these flanges which are very good shapes in terms of high-pressure and ambient temperature limits, they run upto 1200 degrees Celsius. It is most suitable for oil and gas, petro-chemical, power generation, and other heavy industrial situations.

Naysha Steel and Alloys of UAE is known for the production of various types of ASME B16.5 Stainless 316SS WN flanges in terms of ANSI Class 1/Class 150 at less than two-thirds cost of the commercial market. We make sure that the projects are provided on time due to our unsurpassably large inventory. With a range of sizes and configurations to suit clients’ needs, as well as services involving scaling, drilling, and coating for applicability of products to the majority of piping systems.

Simple diagram to Understand of SS 316 Weld Neck Flange Dimensions

The pipe attachment is easy because of the cylindrical lobe that has been incorporated into Stainless Steel 316 Weld Neck Flanges. If fitted onto the pipe end, and welded into position, this center will locate with the face of the flange in such a manner as to provide a very tight often self-locking joint. An important factor, regardless of the surface condition to ensure an undamaged gap-free connection is planar surface. When it comes to fit and operational effectiveness dimensions need to be exact. Below is the critical dimensional image of Nut Shore Flanges, Stainless Steel 316 Weld Neck Flanges by Naysha Steel and Alloys, originated and fabricated in UAE.

SS Weld Neck Flanges Dimensions

Stainless Steel 316 weld neck flanges are Flanges Efficient solution for diverse potential applications due to high movebility and impressive shape features. The 316 grade is widely used in various industry spheres including chemical processing, water treatment facilities, food treatment and pharmaceutical manufacture due to the corrosion-resistant properties. When it comes to welding applications, the recommended nickel 20 weld nut flanges are those ones super-authentic and with minimum carbon content as carbide precipitation can be prevented in this way. SS 904L welding neck flanges used in chemical and atomic processing while ANSI class weld neck flanges are applicable for oil and gas applications, which recently arise in Saudi Arabia.

To select the proper grade of stainless steel for weld neck flanges is a decision of utmost importance, affected by several variables such as temperature conditions; pressure level or even process specific needs. Lastly, in order to develop a long-term strategy for providing the clients with valuable solutions that will not only be stable but also efficient no one can approach it as an option other than partnering with a tried outchinned vendor or someone who has been present within the theatre industry for so many years

Stainless Steel 316 Weld Neck Flange Chemical Composition Table

Grade/ Marked Symbol Carbon (Max) Manganese (max) Silicon (maximum) Phosphorus (max) Sulfur (max) Chromium Molybdenum Nickel N
F316 0.08 2 0.75 0.045 0.030 16-18 2-3 10-14 64.845
F316L 0.035 2 1.00 0.045 0.030 16-18 2-3 10-14 68.89


SS 316 Weld Neck Flanges Price List in UAE: Valid From 1st February 2024

Take a look on price list of stainless steel 316 weld neck flanges in UAE

WNRF FLANGES ASTM A182 F316 B16.5 150# SCH-40S Price
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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Stainless Steel Flange 316 Welding Neck ANSI 150#, IS6392 Weld Neck Flanges, Weld Neck SS Flanges Manufacturer, UNS S31803 Weld Neck Flanges Manufacturers, UNS S31803 Weld Neck Flanges Exporter, UNS S32205 Weld Neck Flanges Stockist, UNS S31803 Weldneck Flanges Stockist : Grades & Classes (#)

  • ASTM A182 F316/F316L: Austenitic stainless steel with enhanced corrosion resistance.
  • 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, 18 300 Class SCH 80 Weld Neck Flange, 150# Weld Neck Flange SCH 80, Welding Neck Flanges SCH 40, SS 316 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, API605 Flange, BS4504 Flange, EN1092 Flange, UNI Flange, ISO Flange, API7S-43 Flange, ANSI/ASME B16.5 Flange, API7S-15 Flange, MSS S44 Flange, IS 2062 Flange, ASME B16.36 Flange, DIN Flange, AWWA C207 Flange, B16.47 Series A & B Flange, BS1560-3.1 Flange, ISO70051 Flange, API Flange, ASME Code for 12 inches Welding Neck Flanges.
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)

  • SS 316 Weld-neck Flanges manufacturer and contractor in Sharjah, UAE.
  • Stainless Steel 316 Weld Neck Flanges manufacturer and warehousing in UAE.
  • SS 316 Weldneck Flanges manufacturer and Exporter in Dibba Al Hisn, UAE .
  • SS 316 Weld Neck Flanges manufacturer and wholesalor in Khor Fakkan City, UAE.
  • SS 316 Weldneck Flanges manufacturer and stockists in Dubai, UAE.
  • Stainless Steel 316 Weld-Neck Flanges manufacturer and supplier in Abu Dhabi, 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 316 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