Carbon Steel Elbow

¥0.19¥330.00

Select options This product has multiple variants. The options may be chosen on the product page
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Carbon Steel Elbow

¥0.19¥330.00

ASTM A234 WPB 90 Degree SCH20 & SCH40 Seamless Elbow Price

Contact us for prices on more sizes

Size: 1/2”~80”,DN15~DN2000

Schedule: Sch 20, 40, STD, 80, 160, XXS

Designation: ASTM / ASME A234, A860, A420

Grade: WPB/C, WPHY 42, 46, 52, 60, 65, 70, WPL 3, 6, 9

Type: Seamless Elbow and Weld Elbow

Contact us for more price discounts!

Carbon Steel Elbow ASTM A234 WPB 90 degree seamless & welded 

Elbows are essential pipe fittings used to change the direction of pipes in various piping systems. These fittings are made from carbon steel, a strong and durable material known for its ability to resist wear and corrosion. Whether you need to change the direction of your pipes by 90 degrees, 45 degrees, or reduce the size of the pipe, elbows offer reliable, long-lasting solutions. They are widely used in industries such as oil and gas, construction, power plants, water treatment, and more.

carbon steel elbow

What is a Pipe Elbow?

Pipe elbow is connects two sections of pipe and allows the pipe to change direction. These elbows are designed to handle high pressure and high temperature, making them ideal for a variety of applications. Pipe elbows are available in several types, including 90-degree elbows, 45-degree elbows, and reducing elbows, allowing for flexibility in different piping systems.

Elbows are made to meet high industry standards such as ASTM A234 WPB for pressure piping systems, ensuring strength, reliability, and durability.

Types of Elbows

1. Seamless Elbow

Seamless elbow is made from a single piece of steel without any welds. This design makes the elbow stronger and more durable, with better resistance to pressure. Seamless elbows are used in applications that require high mechanical strength.

2. Weld Elbow

Weld elbow is connected to the pipe by welding. This creates a leak-proof seal. Weld elbows are available in different angles and radii, including 90-degree elbows, 45-degree elbows, and long radius or short radius elbows. Welded elbows are often used when a permanent, secure connection is needed.

3. Long Radius Elbow

Long radius elbow (LR elbow) has a bend radius that is 1.5 times the diameter of the pipe. These elbows are designed for smooth fluid flow and are ideal when you want to minimize pressure loss and maintain efficient flow in the system.

4. Short Radius Elbow

The short radius elbow (SR elbow) has a smaller bend radius, equal to the pipe’s diameter. It is used in tight spaces where a sharp turn is necessary. While more compact, short radius elbows may create higher resistance to flow compared to long radius elbows.

5. 90-Degree Elbow

The 90-degree elbow is one of the most common types of elbows. It changes the direction of the pipe by 90 degrees, which is useful for sharp turns in the pipe layout. You can choose between a long radius or short radius elbow depending on your space and flow needs.

6. 45-Degree Elbow

45-degree elbow is used when the pipe needs to change direction by 45 degrees. This type of elbow provides a smoother flow compared to a 90-degree elbow and is typically used in systems that require moderate directional changes.

7. Reducing Elbow

Reducing elbow is designed to connect pipes of different sizes. It allows for a change in both direction and pipe diameter, maintaining a consistent flow while reducing the pipe size.

Coating Options for Carbon Steel Elbows

Elbows can be coated to improve their resistance to corrosion and increase their lifespan. Some common coating options include:

1. Black Painting Elbow

Black painting is a cost-effective coating option that helps protect elbows from rust and corrosion. It is commonly used in general industrial applications where the elbows are exposed to moisture or dirt.

2. PE Coating Elbow

PE (Polyethylene) coating is often applied to elbows for outdoor applications. It creates a protective barrier against moisture and chemicals, ensuring the elbow lasts longer in harsh conditions.

3. Galvanized Elbow

A galvanized elbow is coated with zinc to prevent rust and corrosion. This coating is particularly useful in environments where the elbows are exposed to moisture or chemicals, helping extend their durability.

Benefits of Elbows

  • Durability: Elbows are built to last, handling high pressure, temperature, and wear.
  • Cost-Effective: Compared to other materials like stainless steel or alloy steel, carbon steel elbows are more affordable, offering reliable performance at a lower cost.
  • Versatility: Available in a wide range of sizes, angles, and coatings, elbows can be customized for any piping system.
  • Corrosion Resistance: Protective coatings like galvanization and PE coating help protect the elbows from rust and corrosion, extending their lifespan.

Standards and Certifications

Elbows are manufactured according to international standards to ensure high quality and performance. Some of the key standards include:

  • ASTM A234 WPB: This specification covers the production of elbows and fittings used in pressure piping systems. It ensures that the elbows meet strict mechanical and dimensional requirements.
  • ASME B16.9: This standard outlines the specifications for factory-made butt-welding fittings, including elbows. It provides details on dimensions, tolerances, and pressure-temperature ratings for these fittings.

Applications of Elbows

Elbows are used in a variety of industries, including:

  • Oil & Gas: For transporting oil, gas, and other fluids through pipelines.
  • Power Generation: In power plants to connect different sections of piping.
  • Water Treatment: In systems for water and sewage processing.
  • Construction: For HVAC systems, plumbing, and other mechanical installations.

Conclusion

Elbows are crucial pipe fittings that provide strength, durability, and flexibility in piping systems. Whether you need 90-degree elbows, 45-degree elbows, or reducing elbows, these fittings are designed to handle high-pressure and high-temperature environments. With coatings like black painting, PE coating, and galvanization, elbows offer long-lasting protection against corrosion.

If you’re looking for high-quality elbows that meet industry standards such as ASTM A234 WPB and ASME B16.9, be sure to choose a trusted supplier who offers a range of sizes, coatings, and configurations to suit your project’s needs.Carbon steel elbows continue to be a top choice for reliable, cost-effective, and high-performance pipe systems across industries.

 

Weight N/A
Thickness

SCH20, SCH40

OD

1/2'', 3/4'', 1'', 1 1/4'', 1 1/2'', 2'', 2 1/2'', 3'', 4'', 5'', 6'', 8'', 10'', 12'', 14'', 16'', 18'', 20'', 24''

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Carbon Steel Grades & Properties

GradeCMnSiSP
A234 WPB≤0.30.29-1.06≤0.1≤0.058≤0.05
A105≤0.350.6-1.00.1-0.35≤0.04≤0.035

Drawing & Specification for BW Elbow

Butt Weld Elbow Drawing

Butt Weld Elbow Drawing

Nominal DiameterOutside Diameter at BevelAB
DNNPSODLong RadiusShort RadiusLong Radius
151/221.33816
203/426.93819
25133.7382522
321 1/442.4483225
401 1/248.3573829
50260.3765135
652 1/273956444
80388.91147651
903 1/2101.61338957
1004114.315210264
1255139.719012779
1506168.322915295
2008219.1305203127
25010273381254159
30012323.9457305190
35014355.6533356222
40016406.4610406254
45018457.2686457286
50020508762508318
55022559838559343
60024610914610381
65026660991660406
700287111067711438
750307621143762470
800328131219813502
850348641295864533
900369141372914565
950389651448965600
100040101615241016632
105042106716001067660
110044111816761118695
115046116817531168727
120048122018291220759
130052132119811321821
140056142221341422883
150060152422861524947
1600641626243816261010
1700681727259117271073
1800721829274318291137
1900761930289619301199
2000802032304820321263