A519 Steel pipe

ASTM A519 covers multiple grades of carbon and alloy steel seamless mechanical tubing.
Gnee’s A519 carbon and alloy steel mechanical tubing is available in many different steel grades and specifications. High quality, factory price, deep processing services, large-scale storage. Provide you with perfect solutions from all aspects. Contact us to search more about A519 steel pipes!

A519 seamless steel tubing refers to carbon steel and alloy steel pipes commonly used in the manufacture of mechanical pipes. Its manufacturing method is to hot-process steel and then cold-finish it into round, square, rectangular or special-shaped pipes.

A519 steel pipes are manufactured using seamless technology. They are produced without any welded joints or seams, giving the pipes increased strength and resistance to leaks.

A519 steel pipe is available in a variety of grades and sizes to meet specific application requirements. It can be produced in both hot and cold finishing conditions, allowing for versatility in terms of dimensional accuracy and surface finish.

ASTM A519 seamless carbon and alloy steel precision mechanical tubing is widely used in various industries including automotive, machinery, construction and transportation. It is commonly used to produce components such as bushings, bearings, cylinders and shafts.

Size15.9mm-323.8mm
Thickness3.5mm-12.7mm
LengthMin 3 Meters, Max18 Meters, or according to customer’s requirement

Gnee has a large inventory of A519 steel pipes, which allows to meet customers’ needs and deliver products in a timely manner. This avoids delays in project progress due to shortages. Our inventory management system is highly precise, ensuring inventory accuracy and real-time updates. Whether it is mass production or individual customized needs, Gnee can provide quick responses, which brings convenience and confidence to customers.


7 days for stock goods/ within 30-50 days / depending on your order quantity

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.

  • Bundles
  • Wooden Boxes
  • Crates
  • Packaging as customer’s requirements

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A) Full Service: Pre, In, After
B) 15+ Years Exp.Global Export
C) 365 Days Always Online
D) Large-scale Reserve
E) Diversified Logistics Solution

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parameters Of ASTM A519 Tubing
GradeCMnP≤S≤SiCrMo
1008≤0.100.30-0.500.0400.050
10100.08-0.130.30-0.600.0400.050
10180.15-0.200.60-0.900.0400.050
10200.18-0.230.30-0.600.0400.050
10250.22-0.280.30-0.600.0400.050
10260.22-0.280.60-0.900.0400.050
41300.28-0.330.40-0.600.0400.0500.15-0.350.80-1.100.15-0.25
41400.38-0.430.75-1.000.0400.0500.15-0.350.80-1.100.15-0.25
GradeConditionMPa Tenslle PointYield PointElongation
1020CW≥414≥483≥5%
SR≥345≥448≥10%
A≥193≥331≥30%
N≥234≥379≥22%
1025CW≥448≥517≥5%
SR≥379≥483≥8%
A≥207≥365≥25%
N≥248≥379≥22%
4130SR≥586≥724≥10%
A≥379≥517≥30%
N≥414≥621≥20%
4140SR≥689≥855≥10%
A≥414≥552≥25%
N≥621≥855≥20%
ASTM A519 Steel Pipe for Sale
  • Provide wide sizes from small to large, for example 12mm, 15mm,18mm and more. Also can be customized according to customer requirements.

ASTM A519 tube manufactured by Gnee has the following advantages:

  • Strength and Durability
  • Seamless performance
  • Dimensional accuracy
  • Good Processing performance

Gnee supplies A519 steel pipes of different sizes for you to choose.

A519-steel-pipe

A519 steel pipe is widely used in industries such as petroleum, chemical, medical, food, light industry, machinery, and instrument, including industrial pipeline and mechanical structure parts, etc.

A519-steel-pipe
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Why Choose Gnee ASTM A519 Steel Pipe?
Gnee’s ASTM A519 carbon and alloy steel mechanical tubing is distinguished by its superior quality, performance, and compliance with strict industry standards. At Gnee, we prioritize customer satisfaction and strive to meet our customers’ needs and exceed their expectations. Our A519 steel pipes are manufactured using high-quality materials and advanced production techniques. We employ stringent quality control measures to ensure that each pipe meets the highest industry standards. The result is a durable and reliable product that provides long-lasting performance.
certificate

In addition, our A519 mechanical tubing has been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?

Gnee can provide the following measurement services for ASTM A519 pipe:

1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the pipe is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of the A519 pipe surface to help ensure that the quality and surface state of the pipe meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness of the A519 pipe to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements:The degree of bending and deformation of the steel pipe is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.

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Gnee can customize the size and shape of steel pipes for your project according to specific project needs. The custom design of the A519 pipe is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.

● According to the strength requirements of structural design, adjust the thickness, width, and length of A519 steel pipes.
● The shape of the steel pipe can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings for easy operation in the design for areas that require frequent maintenance.

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Purchasing Gnee A519 steel pipe can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.

Cutting service: A519 steel pipe can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming: A519 steel pipes are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: A519 steel pipe can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in A519 steel pipes by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel pipe, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.

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Gnee A519 steel pipe can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that A519 pipes comply with relevant standards and regulations.

Material chemical composition analysis: Through chemical composition analysis, determine whether the composition of the steel pipe meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of A519 steel pipes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of A519 pipes, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of A519 steel pipe, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of pipes, such as cracks, pores, inclusions, etc.

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