Forged Reducer Pipes Fitting

Forged Fittings

M-Pipe & Fitting Solution Inc. is a reputable business selling high-quality forged reducer pipe fitting. The requirements for forged fittings, like forged reducer pipes, used in plumbing systems are set by the ASME B16.11 standard. Forged reducer pipe fittings connect two pipes of different sizes by decreasing the diameter (concentric reducer) or shifting the centerline (eccentric reducer).

ASME B16.11 Standard: The requirements for made reducer pipes, such as reducers, are covered by the ASME B16.11 standard. It tells you the fittings’ sizes, tolerances, markings, material needs, and how to test them.

Forged Reducer Pipes Fitting: Forged reducer pipe fittings decrease the pipe size while keeping the flow of a liquid or gas smooth. They are often used to control flow rates, fit different pipe sizes, and connect two pieces of pipe.

Forged Eccentric Reducer: A forged eccentric reducer is a type of forged reducer pipe in which the centerlines of the inlet and exit pipes are not aligned. It makes the reducer have an odd form, with one side having a bigger diameter than the other. Eccentric reducers are often used to control the flow of fluids or gases, stop air pockets from forming, or control the liquid level in a tank.

Forged Concentric Reducer: A forged concentric reducer is a type of forged pipe that connects two lines of different sizes symmetrically. The centerlines of both the inlet and exit pipes stay the same, even though the diameter of the tubes gets smaller. Concentric reducers are often used when you don’t need to control the direction of fluid or gas flow.

ASME B16.11 SS Forged Reducer: ASME B16.11 stainless steel (SS) forged reducers are made to meet the standards of ASME B16.11 for use in stainless steel piping systems. Different types of stainless steel can be used to make SS-forged reducer pipes, such as 304, 316, 316L, and others.

Material Choice: The grade of stainless steel used in forged reducer pipes depends on the fluid or gas, temperature, pressure, and corrosion protection needs of the application. Forged reducer pipes usually come in the following kinds of stainless steel:

SS 304: This austenitic stainless steel grade is rust-resistant and can be used for various purposes.

SS 316/316L: These types have high corrosion resistance, especially in chloride environments. They are often used in the chemical, pharmaceutical, and offshore industries.

SS 321: This type has titanium in it, making it more resistant to corrosion between the grains and suitable for high-temperature uses.

Process of Making: ASME B16.11 SS forged reducer pipes are made by bending stainless steel under high pressure and heat in a process called forging. Compared to other ways of making things, the forging process ensures that the material is more stable, has better mechanical qualities, and is made to the correct size.

Dimensions and Specifications: ASME B16.11 gives the dimensions and limits for forged reducer pipes. The standard covers a range of sizes, from 1/8′′ to 4′′ for socket-welding and from 1/8′′ to 4′′ for threaded. It shows the overall size, the socket’s depth, the wall’s thickness, and other vital measurements needed to properly fit and connect the pipes.

Testing and Quality Control: ASME B16.11 says that SS-forged reducer pipes must go through different tests to ensure they work well and are of good quality. Some of these tests could be:

Visual Inspection: The forged reducer pipes are checked closely for surface cracks, pits, or machining marks.

Dimensional Inspection: The sizes of the forged reducer pipes are checked against the standards to ensure they fit well and work well with the rest of the piping system.

Material Testing: Samples of the stainless steel used for the forged reducer pipes can be tested to see if they meet the guidelines for chemical composition, mechanical properties, and corrosion resistance.

Non-Destructive Testing (NDT): NDT methods like liquid penetrant testing, magnetic particle testing, and ultrasound testing can be used to find any flaws inside or on the surface of the forged reducer pipes that could make them unsafe.

Pressure Testing: The forged reducer pipes can be put through hydrostatic or gas pressure testing to ensure they are strong and don’t leak under a certain amount of pressure.

Hardness Testing: Hardness tests can be done on the forged reducer pipes to find out how hard they are and ensure they meet the standards for the grade of stainless steel used.

Marking and Identification: ASME B16.11 says the forged reducer pipes must be appropriately marked and identified. This means they must have details like the material grade, size, pressure rating, and manufacturer’s name.

Application and Use: ASME B16.11 SS forged reducer pipes fittings are used in many industries, such as oil and gas, petrochemical, chemical processing, power generation, medicines, food, and beverages. In plumbing systems, they make up for different pipe sizes, make it easier for fluids or gases to flow, control flow rates, and make the change between pipe sections smooth.

Installation and Maintenance: When installing, it’s essential to use the recommended methods and steps to ensure the forged reducer pipes are aligned and connected to the suitable lines. It is necessary to regularly check and maintain the piping system, including the forged reducer pipes, to look for signs of wear, corrosion, or leaks and ensure the system stays in good shape and works well.

In conclusion, ASME B16.11 stainless steel forged reducer pipes are essential to piping systems because they allow lines of different sizes to join and change sizes. Stainless steel is resistant to corrosion and lasts a long time. The ASME B16.11 standard ensures that these parts are of good quality and work well. To ensure that forged reducer pipes work well and reliably in different industrial applications, it is essential to choose suitable materials, use the proper manufacturing methods, test them, and install them correctly. M-Pipe & Fitting Solution Inc. sells certified forged fittings that meet foreign standards like API, ASTM, and ISO 9001:2015.

Forged Reducer FittingsSpecifications
ScheduleSCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120,SCH140, SCH160, XXS
Size1/8″NB to 24″NB & 1/4″OD TO 24″OD AND 6.35mm to 254mm OD Thickness: 0.6mm to 20mm


Stainless SteelASTM / ASME 201, 202, 301, 304, 304L, 310, 310S, 316L, 316TI, 317, 317L, 321, 347, 409, 409M, 409L, 410, 410S, 420, 430, 431, 441, 444, 446, 17.4PH, 904L
Super Duplex SteelS32750
Duplex SteelASTM / ASME SA 790 UNS NO S 31803 , S 32205 , S 32550 , S 32750 , S 32760.


It’s important to note that the above-mentioned grades are just a selection of commonly used materials for forged reducer pipes. The specific grade chosen will depend on the requirements of the application, and it is essential to refer to relevant standards, specifications, and engineering guidelines to select the appropriate grade for a particular application.

  • Gas Processing Industry
  • Pharmaceuticals Industry
  • Chemical Industry
  • Pulp and Paper Industry
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers