4 Weld Neck Flange

Size

1/2"NB to 56"NB

Class

150#, 300#, 3000#, 6000#, 9000#

Sch (Schedule)

XS, XXS, STD & Schedule 20, 40, 80, 160

Pressure Ratings

PN 1 - PN 400

Stainless Steel Weld Neck Flat Face Flanges

The following materials are included in the ASTM A 182 F standard: 304/ 304H/ 304L/ 316/ 316H/ 316L/ 316Ti, 309, 310, 317L, 321, 347, and 904L. These materials have been categorized based on their composition and characteristics.
One popular material included in the ASTM A 182 F standard is 304 stainless steel. It is known for its excellent corrosion resistance and high strength. The "H" variation of 304 stainless steel is specifically designed for elevated temperature applications. On the other hand, the "L" variation has a lower carbon content, which helps to minimize carbide precipitation and improve weldability.
Another widely used material is 316 stainless steel, which offers even better corrosion resistance than 304 stainless steel. The "H" variation of 316 stainless steel also has superior high-temperature strength. The "Ti" variation contains titanium, which stabilizes the material against sensitization during welding.
309 stainless steel is known for its exceptional high-temperature strength and resistance to oxidation. This makes it suitable for furnace parts, heat exchangers, and other similar applications.
310 stainless steel is also renowned for its excellent high-temperature strength and oxidation resistance. It is commonly used in furnaces, heat treatment equipment, and other high-temperature applications.
317L stainless steel contains a higher molybdenum content, which gives it improved corrosion resistance in highly corrosive environments containing sulfuric acid, chlorides, and other aggressive chemicals.
321 stainless steel is stabilized with titanium, which prevents carbide precipitation during welding and intergranular corrosion. It is often used in high-temperature applications such as aircraft exhaust systems, jet engine parts, and chemical processing equipment.
347 stainless steel is stabilized with niobium, which inhibits carbide precipitation and intergranular corrosion. It is commonly used in high-temperature applications, including steam lines, boiler tubes, and superheaters.
Lastly, 904L stainless steel is a highly corrosion-resistant material that can withstand a wide range of corrosive environments. It is commonly used in severe environments such as sulfuric acid processing, pharmaceutical production, and other harsh chemical applications.
In conclusion, the ASTM A 182 F standard includes a variety of stainless steel materials, each with its unique composition and characteristics that make it suitable for specific applications.

Duplex Steel Weld Neck Flat Face Flanges

ASTM A 182 - F 51, F 53, F 55

Alloy Steel Weld Neck Flat Face Flanges

ASTM A 182 - F5, F9, F11, F21, F22 & F91

Carbon Steel Weld Neck Flat Face Flanges

ASTM A 105

Flanges made from low temperature carbon steel, also known as LTCS weld neck flat face flanges, are commonly used in various industrial applications. These flanges are highly durable and can withstand extreme temperatures and pressures, making them ideal for use in pipelines, oil and gas refineries, and other high-stress environments.
The LTCS weld neck flat face flanges are designed to provide a tight seal between two pipes or fittings. The flat face design ensures that the flange and gasket are in complete contact, preventing any leaks or spills. Additionally, the weld neck feature adds extra strength to the flange, making it suitable for use in high-pressure environments.
Another advantage of using low temperature carbon steel flanges is their resistance to corrosion. This means that the flanges can withstand exposure to chemicals, gases, and other harsh substances without deteriorating or compromising their structural integrity.
Overall, LTCS weld neck flat face flanges are an excellent choice for industrial applications where durability and reliability are essential. They are easy to install and maintain, and their robust construction ensures that they will last for many years, even in harsh operating conditions.

A 350 LF2

Cupro Nickel (Cu-Ni) Weld Neck Flat Face Flanges

C70600, 90/10, C71500, 70/30, C71640

Nickel Weld Neck Flat Face Flanges

UNS N02200, UNS N02201

Monel Weld Neck Flat Face Flanges

UNS N04400, UNS N05500, Alloy 20

Inconel Weld Neck Flat Face Flanges

We have a range of UNS-numbered alloys that are popular in various industries. These include UNS N06600, UNS N06601, UNS N06625, UNS N08800, UNS N08810, and UNS N08825. Each of these alloys has its unique properties and advantages, making them highly sought-after by professionals across different sectors.
UNS N06600 is a nickel-based alloy that has excellent resistance to high temperatures and corrosion. It is often used in applications that involve extreme heat, such as furnace components, chemical processing equipment, and gas turbines.
UNS N06601 is a low-carbon nickel-chromium-iron alloy that also has remarkable resistance to high temperatures and corrosion. This alloy is commonly used in various chemical processing applications, as well as for combustion and thermal processing equipment.
UNS N06625 is another nickel-based alloy that combines excellent corrosion resistance with high strength. It is often used in marine, aerospace, and chemical processing applications, especially those that require high-performance tubing and piping.
UNS N08800 is a nickel-iron-chromium alloy that has excellent resistance to corrosion, as well as to oxidation and carburization at high temperatures. It is prized for its strength and resistance to cracking and is favored by the energy and petrochemical industries.
UNS N08810 is a low-carbon version of UNS N08800, offering improved resistance to intergranular corrosion and stress corrosion cracking. It is used in applications that require exceptional resistance to both elevated temperatures and harsh environments.
Finally, UNS N08825 is a nickel-iron-chromium alloy that offers enhanced resistance to both oxidizing and reducing environments. It is commonly used in applications that require a combination of high strength, excellent corrosion resistance, and good weldability.
Overall, our range of UNS-numbered alloys provides unparalleled performance and durability, making them a staple in multiple industries worldwide.

Hastelloy Weld Neck Flat Face Flanges

UNS N10276, UNS N06022, UNS N10665, UNS N06455

Titanium Weld Neck Flat Face Flanges

Gr. 1, Gr.2, Gr.3, DTH 3.7035, DTH 3.7055

Other Services

Weld Neck Flat Face Flanges that are Hot Dip Galvanized (GI) are a popular choice in the industry. These flanges are durable and long-lasting due to the galvanizing process that adds a protective layer to the metal. The weld neck feature provides a secure connection to pipes or equipment, while the flat face design ensures a smooth surface for optimal sealing. Overall, these flanges are a reliable option for those in need of strong and corrosion-resistant connections in their piping systems.
Sand Blasting on Weld Neck Flat Face Flanges
Shot Peening on Weld Neck Flat Face Flanges
Epoxy Coating on Weld Neck Flat Face Flanges
FBE Coating on Weld Neck Flat Face Flanges