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Home > products > Pipe Fitting Elbow > ASME B16.9 ASTM A420 1/2''-48'' Carbon Steel Butt Weld 90 Degree Elbow Long Radius

ASME B16.9 ASTM A420 1/2''-48'' Carbon Steel Butt Weld 90 Degree Elbow Long Radius

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Place of Origin: Xi'an, Shaanxi Province, China

Brand Name: PeterTrade(PT)

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Highlight:

ASME B16.9 90 degree elbow long radius

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ASME B16.9 Carbon Steel Butt Weld

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ASTM A420 90 degree elbow long radius

Standard:
ASME B16.9 Butt Welding Fittings
Porduct Name:
Butt Weld 90 Degree Elbows
Size:
NPS 1/2 To NPS 48
Radius:
Long Radius
Material:
Carbon Steel ASTM A420
Angle:
90 Degrees
Connection:
Welding
Application:
Industrial, Chemical, Petroleum, Power Generation
Standard:
ASME B16.9 Butt Welding Fittings
Porduct Name:
Butt Weld 90 Degree Elbows
Size:
NPS 1/2 To NPS 48
Radius:
Long Radius
Material:
Carbon Steel ASTM A420
Angle:
90 Degrees
Connection:
Welding
Application:
Industrial, Chemical, Petroleum, Power Generation
ASME B16.9 ASTM A420 1/2''-48'' Carbon Steel Butt Weld 90 Degree Elbow Long Radius

ASME B16.9 ASTM A420 1/2''-48'' Carbon Steel Butt Weld 90 Degree Long Radius Elbows for Changing Flow Directions

 

Introduction of ASME B16.9 Carbon Steel 90 Degree Long Radius Elbows:

The ASME B16.9 standard specifies the dimensions and requirements for pipe elbows used when there is a change in direction in a piping system. Elbows can turn in various directions, including up, down, left, right, or any angle in between, depending on the specific application and design requirements.

 

In the ASME B16.9 standard, long radius (L/R) elbows are specifically defined. These elbows have a center-to-end dimension that is 1.5 times the nominal pipe size (NPS) in inches. For example, a long radius elbow for a 6-inch pipe would have a center-to-end dimension of 9 inches (1.5 x 6 inches).

 

The standard long radius elbows of ASME B16.9 are further categorized based on the angle of the flow-direction change:

 

90 Degree Long Radius Elbows: These elbows change the direction of the flow by 90 degrees. They are commonly used when a sharp turn is required in the piping system or to redirect the flow along a perpendicular axis. The centerline of the elbow is perpendicular to the centerline of the connected pipe.

 

45 Degree Long Radius Elbows: These elbows change the direction of the flow by 45 degrees. They provide a gradual change in direction compared to 90-degree elbows and are often used when a less abrupt turn is desired. The centerline of the elbow is inclined at a 45-degree angle to the centerline of the connected pipe.

 

ASME B16.9 also specifies other types of elbows, such as short radius (S/R) elbows and reducing elbows, which have different center-to-end dimensions and are used for specific applications.

 

 

Description of ASTM A420:

ASTM A420 is a standard specification established by the ASTM International organization. It covers pipe fittings made of wrought carbon steel and alloy steel specifically designed for low-temperature service applications. These fittings, whether constructed through seamless or welded methods, are primarily utilized in pressure piping systems and pressure vessel services where low temperatures are a key consideration.

 

The ASTM A420 standard outlines the requirements for the chemical composition, mechanical properties, heat treatment, manufacturing processes, and testing criteria for these carbon and alloy steel pipe fittings intended for use in low-temperature environments. By adhering to this standard, manufacturers and users can ensure the quality, performance, and reliability of the fittings for their intended applications.

 

 

ASME B16.9 90° Long Radius (L/R) Elbows Dimensions:

                                                                                                                         ASME B16.9 ASTM A420 1/2''-48'' Carbon Steel Butt Weld 90 Degree Elbow Long Radius 0

ASME B16.9 90° Long Radius (L/R) Elbows Dimensions
NPS D(outer dimension) A(Center-to-End)
1/2″ 21.3 38
3/4″ 26.7 38
1″ 33.4 38
1 1/4″ 42.2 48
1 1/2″ 48.3 57
2″ 60.3 76
2 1/2″ 73 95
3″ 88.9 114
3 1/2″ 101.6 133
4″ 114.3 152
5″ 141.3 190
6″ 168.3 229
8″ 219.1 305
10″ 273 381
12″ 323.8 457
14″ 355.6 533
16″ 406.4 610
18″ 457 686
20″ 508 762
22″ 559 838
24″ 610 914
26″ 660 991
28″ 711 1067
30″ 762 1143
32″ 813 1219
34″ 864 1295
36″ 914 1372
38″ 965 1448
40″ 1016 1524
42″ 1067 1600
44″ 1118 1676
46″ 1168 1753
48″ 1219 1829
 
 

Grades of ASTM A420 90 Degree Long Radius Elbows:

ASTM A420 is the standard specification for pipe fittings made of carbon steel and alloy steel designed for low-temperature services. Among the various grades specified under ASTM A420, WPL6 is the most commonly used material grade. In addition to Grade WPL6, the standard also includes other grades such as WPL9, WPL3, and WPL8, each with different impact test temperatures corresponding to specific low-temperature service requirements:

  • Grade WPL6: Impact test temperature at -45℃
  • Grade WPL9: Impact test temperature at -75℃
  • Grade WPL3: Impact test temperature at -100℃
  • Grade WPL8: Impact test temperature at -195℃

These different grades with varying impact test temperatures allow for the selection of the most suitable material based on the specific low-temperature conditions in which the pipe fittings will be operating. It is essential to choose the appropriate grade to ensure that the fittings can withstand the required service conditions and maintain their integrity and performance at low temperatures.

 
 

Advantages of ASME B16.9 Carbon Steel 90 Degree Long Radius Elbows:

Smooth Flow Characteristics: The longer radius of the ASME B16.9 90 Degree Long Radius Elbow allows for a smoother flow path, reducing turbulence and pressure loss in the fluid or gas flow. This promotes efficient flow and minimizes energy losses, resulting in improved system performance and reduced operating costs.

 

Increased Flow Efficiency: By reducing pressure loss and turbulence, ASME B16.9 90 Degree Long Radius Elbow helps increase flow efficiency in the piping system. This is particularly beneficial in applications where high flow rates or low-pressure drops are critical, such as in large-scale industrial processes or HVAC systems.

 

Strength and Durability: ASME B16.9 90 Degree Long Radius Elbow is designed to meet high strength and durability requirements. It is constructed from materials with excellent mechanical properties, allowing it to withstand high-pressure and high-temperature conditions. This makes it suitable for demanding applications in industries such as oil and gas, petrochemical, and power generation.

 

Minimized Erosion and Corrosion Risk: The longer radius of the ASME B16.9 90 Degree Long Radius Elbow helps minimize the risk of erosion and corrosion. The smoother flow path reduces the impact of fluid flow on the inner surface of the elbow, reducing wear and tear over time. This contributes to the longevity and reliability of the piping system, reducing maintenance and replacement costs.

 

 

Applications of ASME B16.9 Carbon Steel 90 Degree Long Radius Elbows:

Oil and Gas Industry: ASME B16.9 Carbon steel 90 degree long radius elbows are extensively used in the oil and gas industry for pipeline systems, refineries, and petrochemical plants. They are employed in fluid transportation, oil and gas processing, and distribution systems. These elbows provide a smooth flow path, ensuring efficient and reliable operation in demanding environments.

 

Power Generation: In power generation facilities, carbon steel 90-degree long radius elbows are used in steam and water distribution systems. They are crucial components in boiler piping, condensate systems, and other high-pressure applications. These elbows handle the flow of steam, water, and other fluids, providing a reliable and durable solution.

 

Chemical Processing: ASME B16.9 Carbon steel 90 degree long radius elbows find applications in chemical processing plants. They are used in pipelines that transport various chemicals, acids, and corrosive substances. The corrosion-resistant properties of carbon steel, combined with the smooth flow path of these elbows, make them suitable for handling aggressive and corrosive media.

 

HVAC and Plumbing Systems: ASME B16.9 Carbon steel 90 degree long radius elbows are employed in heating, ventilation, air conditioning (HVAC), and plumbing systems. These elbows are used in water supply lines, drainage systems, and HVAC ductwork installations. They help change the direction of fluid flow, ensuring efficient and reliable operation in residential, commercial, and industrial buildings.

 

Water Treatment and Wastewater Management: ASME B16.9 Carbon steel 90 degree long radius elbows play a crucial role in water treatment plants and wastewater management systems. They are used in pipelines that handle treated water, sludge, and wastewater. These elbows ensure the proper flow direction and help manage the transportation and treatment of water and wastewater efficiently.

 

Construction and Infrastructure: ASME B16.9 Carbon steel 90 degree long radius elbows are utilized in construction projects and infrastructure development. They are employed in plumbing systems, fire protection systems, and industrial piping networks. These elbows provide a reliable and durable solution for fluid transportation in buildings, bridges, and other structures.