ASTM A182 forged fittings are a high-quality and high-performance pipeline connector widely used in industries such as petroleum, natural gas, chemical, and power that require high temperature and high pressure resistance in pipeline systems.

ASTM A182 Forged Fittings Specification

ASTM A182 specification covers forged low alloy and stainless steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts to specified dimensions or to dimensional standards.

ASTM A182 Forged Fittings Chemical Composition

ASTM A182 Mechanical Property

Types of Forged Fittings

ASTM A182 forged fittings are mainly divided into two categories: socket weld and threaded fittings.

Socket Weld Fittings

Socket weld fittings are a type of pipe connection, consisting of a socket and a spigot. The socket is the part of the forged fittings that receives the spigot of another pipe fitting, and the spigot is the part of the pipe fitting that is inserted into the socket. Its outer diameter is slightly smaller than the inner diameter of the socket so that it can be inserted smoothly.

Socket weld fittings include:

Threaded Fittings

Threaded fittings are fittings with threads, which are connected to other pipe fittings, valves or equipment through threaded connection. Threaded connection is a detachable connection method, which uses the internal or external threads on the forged fittings to achieve connection and sealing through the screwing of threads.

ASTM A182 Threaded fittings include:

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Zizi Engineering is the manufacturer and exporter of Alloy F11 Forged Fittings. They are extensively used as they are hard to be corroded by nature. So, why do they stand out in corrosion resistance?

We should know that Alloy Steel F11 refers to ASTM A182 at first, it is a low alloy steel for forgings. It contains 1.25 % chromium and 0.5 % molybdenum, which give it high resistance to corrode.

A182 F11 Class Type

A182 F11 has three class: F11 Class 1, F11 Class 2, and F11 Class 3. The UNS designation of class 1 is K11597, class 2 and class 3 have the same designation which is K11572, because they have the same chemical requirements. While Class 1 is a little different in the content of carbon, manganese, phosphorus and sulfur. And the more interesting thing is the tensile and hardness requirements of the three class are all different.

We usually adopt class 1 as the row material for Alloy F11 Forged Fittings if you didn’t mention the class.

Alloy Steel F11 Forged Fittings

Alloy Steel F11 Forged Fittings

Because A182 F11 is a high performance alloy, so it can be formed in various shapes. Such as 90 degree elbow, 45 degree elbow, reducing tee, equal tee, half and full coupling, threaded and socket weld cap, threaded nipple, swage nipple, hex head plug, and hex head bushing.

The wide range of Alloy Steel A182 F11 Forged Fittings which we are providing to our clients is highly appreciated by them for its smooth finish, dimensional accuracy, high tensile strength and long life.

ASTM A182 F11 Threaded Coupling is popular because it has excellent resistance to many corrosive media and high temperature atmospheres, as well as its installation is very easy.

F11 Socket Weld Tee have best properties such as great quality, high toughness and strength, and good creep and oxidation resistance. The automatic alignment and high leakage proof also attract customers very much. However, it is not fully stain proof, you should avoid to used it in low-oxygen, high – salinity, and poor air – circulation environments.

Alloy F11 Forged Fittings Dimensions

This two types has the same diameter range NPS 1/8-4. Their pressure rating mainly are

• Class 3000 Socket Weld Fittings, Class 6000 Socket Weld Fittings, and Class 9000 Socket Weld Fittings.
• Class 2000 Threaded Fittings, Class 3000 Screwed Fittings and Class 6000 Threaded Fittings.

Those information come form ASME B16.11, the specification standard for both screwed fittings and socket weld fittings.

And another standard BS 3799 also specified the dimension of Alloy F11 Forged Fittings.

BS 3799 is the specification for Steel Pipe Fittings, Screwed and Socket-welding for the Petroleum Industry. The nominal size it defined are same as ASME B16.11, but its pressure rating mainly are Class 3000 and Class 6000 for both screwed and socket-welding fittings.

ASTM A182 F11 Chemical Composition

ASTM 182 F11 Mechanical Requirements

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