Description

ASTM A519 is a specification set by the American Society for Testing and Materials (ASTM) for seamless carbon and alloy steel mechanical tubing. This specification covers both hot-finished and cold-finished seamless tubing in sizes up to and including 12 3/4 inches (323.8 mm) outside diameter for round tubes with wall thicknesses as required.

The primary purposes of these tubes are for mechanical and pressure applications, which include the manufacturing of mechanical parts and construction elements, as well as other accessories that require tubing with a quality suitable for bending, flanging, and similar operations.

Here are the key characteristics of ASTM A519 seamless carbon steel tubes:

  1. Grades: This specification covers several grades of carbon and alloy steel, including 1018, 1020, 1025, 1026, 4130, and 4140, each with different chemical compositions and mechanical properties.
  2. Condition: The tubes are available in different conditions such as hot-finished or cold-finished, and can be further heat-treated to achieve specific mechanical properties.
  3. Tensile Requirements: The tubes should meet specific tensile requirements such as tensile strength, yield strength, elongation, and hardness as per the specified grade.
  4. Chemical Composition: The tubes should adhere to a specific chemical composition depending on the chosen grade.
  5. Testing: Tubes made to ASTM A519 standards undergo various tests to ensure their quality. These tests may include tension tests, hardness tests, and a hydrostatic or nondestructive electric test to assess their integrity and durability.
  6. Applications: ASTM A519 seamless carbon steel tubes are commonly used in the oil and gas industry, automotive industry, in machinery and in the construction sector. For example, they may be used in gears, drilling pipes, hydraulic cylinders, shafts, or for structural purposes.

Contact us now, you will get cheap price with shipping cost from ASTM A519 Seamless Carbon Steel Tube supplier & factory in China.

Metal In China® has a large number of ASTM A519 Seamless Carbon Steel Tube that meet American ASTM or AISI standards. Common specifications for Seamless Carbon Steel Tube include A106, A53, A519, etc. Generally, we can support fast delivery within 3-5 days according to your requirements, and the delivery cycle of specially customized products is about 10 days. Contact us now to get a competitive price or a free sample.

Information

Features

ASTM A519 is a standard established by the American Society for Testing and Materials (ASTM) for seamless carbon and alloy steel mechanical tubing. It applies to several grades of carbon and alloy steels. The ASTM A519 specification is widely used for mechanical applications requiring high tensile strength and toughness.

china-astm-a519-seamless-carbon-steel-tube-4

ASTM A519 Seamless Carbon Steel Tube Supplier

  • Grades: ASTM A519 covers several grades of carbon and alloy steel, including 1018, 1020, 1025, 1026, 4130, and 4140, among others. Each grade corresponds to a different chemical composition and mechanical properties.
  • Manufacturing Process: As the name suggests, ASTM A519 pipes are manufactured using a seamless process, creating a uniform, continuous tube without a weld seam. This enhances the pipe’s strength and its ability to withstand high pressures and mechanical stress.

china-astm-a519-seamless-carbon-steel-tube-1

ASTM A519 Seamless Carbon Steel Tube Factory in China

  • Heat Treatment: Depending on the specific grade and requirements of the application, ASTM A519 tubes may undergo heat treatment after manufacturing to enhance certain properties. This can include annealing, normalizing, and tempering, among other treatments.
  • Applications: ASTM A519 tubes are commonly used for mechanical and pressure applications, including hydraulic cylinders, mechanical tubing, and general-purpose applications. They are also suitable for machinery, automobile, and other mechanical parts.

astm-a519-seamless-carbon-steel-tube-factory-2

ASTM A519 Seamless Carbon Steel Tube Factory

  • High Tensile Strength and Toughness: One of the key features of ASTM A519 seamless carbon steel tubes is their high tensile strength and toughness, which make them suitable for parts that will be subjected to significant stress or strain.

china-astm-a519-seamless-carbon-steel-tube-3

China ASTM A519 Seamless Carbon Steel Tube

  • Size and Shape: ASTM A519 tubes come in a wide range of sizes, shapes, and wall thicknesses, giving engineers and designers flexibility in choosing the most appropriate tubing for their application.

astm-a519-seamless-carbon-steel-tube-factory-1
The key features of ASTM A519 Seamless Carbon Steel Tubes are their high tensile strength, toughness, flexibility in size and shape, and their suitability for applications requiring high mechanical stress.

Specification

TechniqueSeamless Pipe
MaterialCarbon Steel
Producttion MethodHot Rolled/Cold Rolled
StandardA53,A106,A179, A192, A210,A519 etc.
Wall Thickness0.5MM~300MM(Customized on request)
Outer Diameter21.3MM~660MM(Customized on request)
LengthSingle random length/Double random length
Surface1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement
PackingBundle, or with all kinds of colors PVC or as your requirements

Technology

astm-a519-seamless-carbon-steel-tube-factory-2

ASTM A519 is a specification set by the American Society for Testing and Materials for mechanical tubing. It covers both seamless and welded carbon and alloy steel tubes intended for use at low temperatures and in other special applications. Here’s a general overview of how ASTM A519 seamless carbon steel tubes are typically manufactured:

  1. Steel Preparation: The process begins with a high-quality solid steel billet. This billet is carefully chosen and prepared according to the desired chemical composition.
  2. Heating: The billet is heated in a furnace to a specific temperature where it becomes pliable, typically around 1200°C to 1300°C (2200°F to 2372°F).
  3. Piercing: The heated billet is then pierced through the center with a mandrel or a piercing plug to form an initial hollow tube.
  4. Extrusion and Elongation: The hollow tube is then elongated using a series of extrusion processes. This reduces the tube’s diameter and wall thickness, and increases its length. This is typically done in several stages using a series of dies and rollers.
  5. Heat Treatment: After the tube has been formed, it may undergo a heat treatment process to adjust its mechanical properties, such as hardness, strength, and ductility. This could involve normalizing, annealing, or quenching and tempering, depending on the required properties.
  6. Cold Drawing: To achieve the precise dimensions and tolerances required by the ASTM A519 specification, the tube might be further processed by cold drawing. This involves pulling the tube through a die to reduce its diameter and wall thickness, and improve its mechanical properties.
  7. Finishing: The last step in the manufacturing process involves finishing the tube. This could include cutting it to the required length, cleaning its surface, and possibly applying a protective coating. The tube is also inspected for any defects to ensure it meets the ASTM A519 specification.

Product Video

Application

ASTM A519 Seamless Carbon Steel Tubes are widely used in a range of applications that require high tensile strength, durability, and the ability to withstand high-stress conditions. Some common applications include:

  1. Mechanical Engineering: ASTM A519 tubes are commonly used in mechanical engineering applications, including the manufacturing of machinery, equipment, and mechanical parts. They are used for components such as shafts, gears, cylinders, and bushings.
  2. Automotive Industry: These tubes find application in the automotive industry for components such as axles, drive shafts, steering columns, and suspension systems. Their high strength and reliable performance make them suitable for demanding automotive applications.
  3. Oil and Gas Industry: ASTM A519 tubes are used in the oil and gas industry for applications such as downhole drilling tools, wellhead equipment, and production tubing. These tubes can withstand the high pressures and corrosive environments encountered in oil and gas operations.
  4. Construction and Infrastructure: ASTM A519 tubes are used in the construction of buildings, bridges, and other infrastructure projects. They are employed for structural elements, support columns, and various components where strength and durability are crucial.
  5. Mining Equipment: These tubes are utilized in the mining industry for equipment such as drill rods, hydraulic cylinders, and conveyor systems. Their high tensile strength and resistance to wear make them suitable for the challenging conditions encountered in mining operations.
  6. Power Generation: ASTM A519 tubes are used in power generation applications, including boilers, heat exchangers, and power plant equipment. These tubes can withstand high temperatures and pressures, making them suitable for efficient heat transfer and power generation.
  7. Agricultural Machinery: ASTM A519 tubes are employed in the manufacturing of agricultural machinery such as tractors, harvesters, and irrigation systems. Their strength and reliability make them well-suited for the demanding conditions encountered in agricultural operations.

Package

Packaging for seamless carbon steel boiler tubes must protect the product during transportation and storage, keeping them free from physical damage and environmental factors that could lead to rust or corrosion. Here are some common packaging methods:

  • Bundling: The tubes are often bundled together, with steel straps or wires securing them. Each bundle is usually of the same size and length to aid in transportation and handling.
  • End Protection: The ends of the tubes are often protected with plastic caps or metal bevel protectors. This helps to prevent any damage to the tube ends and keep out dirt and other contaminants.

seamless-carbon-steel-boiler-tube-factory-1

  • Wrapping: Bundles may be wrapped in a protective material such as waterproof paper, plastic sheeting, or a protective cloth. This helps to protect the tubes from environmental factors such as water and dust.
  • Crating: In some cases, particularly for long-distance transportation or if the tubes are being shipped internationally, the bundles may be placed in wooden crates or boxes. This provides additional protection.

seamless-carbon-steel-boiler-tube-factory-in-stock-1

  • Marking: Each bundle or tube is marked with information like the manufacturer’s name, product specification, size, length, heat number, and other relevant details. This helps in identification and traceability.
  • Anti-Corrosion Measures: If the tubes are not already treated for corrosion resistance, they may be coated in oil or another anti-corrosion agent before packaging.

These are general methods and the exact packaging will depend on the supplier, the requirements of the customer, and the intended method of transport. Regardless of the specific packaging used, the goal is to protect the tubes and ensure they arrive at their destination in the best possible condition.

Metal in China®

ASTM A519 Seamless Carbon Steel Tube

Material
Carbon Steel
Shape
Round
Method
Seamless
Alloy
A519
Certification
ASTM
Surface
Custom
Free Custom Size Service
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ASTM A519 Seamless Carbon Steel Tube Supplier

Metal In China® is the only steel supplier in China for the Chinese government's subway infrastructure projects. We supply a large number of carbon steel pipes conforming to American ASTM or AISI standards, including seamless steel pipes and welded carbon steel pipes, which can be customized in size or technical parameters according to customer requirements.
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Option
Certification
ASTM
Method
Seamless
Surface
Custom
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Cold Rolled Seamless Carbon Steel Tube

Alloy
Option
Certification
ASTM/AISI
Method
Seamless
Surface
Custom
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Hot Rolled Seamless Carbon Steel Tube

Alloy
Option
Certification
ASTM/AISI
Method
Seamless
Surface
Custom
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china-astm-a519-seamless-carbon-steel-tube-1

ASTM A519 Seamless Carbon Steel Tube

Alloy
A519
Certification
ASTM
Method
Seamless
Surface
Custom
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china-api-5l-carbon-steel-seamless-pipe-2

API 5L Carbon Steel Seamless Pipe

Alloy
API 5L
Certification
API
Method
Seamless
Surface
Custom
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aisi-1018-seamless-carbon-steel-pipe-supplier-1

AISI 1018 Seamless Carbon Steel Pipe

Alloy
1018
Certification
AISI
Method
Seamless
Surface
Custom
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astm-a106-seamless-carbon-steel-pipe-factory-1

ASTM A106 Seamless Carbon Steel Pipe

Alloy
A106
Certification
ASTM
Method
Seamless
Surface
Custom
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astm-a53-seamless-carbon-steel-pipe-factory-1

ASTM A53 Seamless Carbon Steel Pipe

Alloy
A53
Certification
ASTM
Method
Seamless
Surface
Custom
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ERW Welded Carbon Steel Pipe

Alloy
Option
Certification
Option
Method
Welded
Surface
Custom
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Spiral Welded Carbon Steel Pipe

Alloy
Option
Certification
Option
Method
spiral Welded
Surface
Custom
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lsaw-welded-carbon-steel-pipe-factory-in-stock-2

LSAW Welded Carbon Steel Pipe

Alloy
Option
Certification
Option
Method
LSAW Welded
Surface
Custom
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china-api-5l-ssaw-welded-carbon-steel-pipe-4

API 5L SSAW Welded Carbon Steel Pipe

Alloy
Option
Certification
Option
Method
SSAW Welded
Surface
Custom
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china-black-round-carbon-steel-welded-pipe-4

Black Round Carbon Steel Welded Pipe

Alloy
Option
Certification
Option
Method
Welded
Surface
Custom
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q235b-ssaw-welded-carbon-steel-pipe-supplier-3

Q235B SSAW Welded Carbon Steel Pipe

Alloy
Option
Certification
Option
Method
SSAW Welded
Surface
Custom
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Low Carbon Steel Round Tube

Alloy
Option
Certification
ASTM/AISI
Method
Cold Rolled
Surface
Custom
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a106-carbon-steel-pipe-for-sale-2

A106 Carbon Steel Pipe

Alloy
A106
Certification
ASTM
Method
Cold Rolled
Surface
Custom
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a53-a53b-carbon-steel-pipe-price-1

A53/A53B Carbon Steel Pipe

Alloy
A53/A53B
Certification
ASTM
Method
Cold Rolled
Surface
Custom
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s195t-carbon-steel-pipe-factory-2

S195T Carbon Steel Pipe

Alloy
S195T
Certification
EN10255
Method
Cold Rolled
Surface
Custom
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high-carbon-steel-pipe-for-sale-1

High Carbon Steel Pipe

Alloy
Option
Certification
ASTM/AISI
Method
Cold Rolled
Surface
Custom
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