ASTM A519 Mechanical Tube Manufacturers and Suppliers

ASTM A519 - Standard Specification for Seamless Carbon and Alloy Steel Pipe for Mechanical Engineering.

What is ASTM A519 Seamless Mechanical Tube?

ASTM A519 Seamless Mechanical Tube is a standard developed by the American Society for Testing and Materials (ASTM) and is primarily used to regulate the manufacture and use of seamless carbon and alloy steel mechanical tubes. In China, the corresponding national standard is GB/T 8162, which is the "Seamless Steel Pipe for Structural Use" standard issued by the China National Standardization Administration Committee and is applicable to the production and inspection of seamless steel pipes for general structural use.

ASTM A519 seamless steel pipe is mainly used in the fields of mechanical engineering and automobile manufacturing. Its standard includes requirements for the chemical composition, mechanical properties, dimensions, allowable deviations, inspection methods, etc. of the pipe. This seamless steel pipe has high precision and excellent mechanical properties, making it widely used in many industrial applications.

ASTM A519 Mechanical Tube Manufacturers and Suppliers

The ASTM A519 mechanical tubes provided by Hunan Standard Steel Co., Ltd are manufactured in accordance with the ASTM A519 standard mechanical seamless carbon steel pipes and alloy steel pipes, and are mainly used for high temperature applications. Husteel manufactures these ASTM A519 Mechanical Pipes, including alloy pipes in various size ranges. Additionally, Husteel can be customized to suit boiler tube requirements. To ensure optimum quality standards, we procure these alloy steel raw materials from premium vendors.

ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing covers many grades of carbon and alloy steel mechanical tubing, whether hot-finished or cold-finished. The steel used in mechanical tubing can be cast as ingots or flow cast. When different grades of steel are continuously cast, the resulting transition material needs to be qualified.

Seamless pipe is a weldless forged steel pipe made of hot-processed steel. It is a steel pipe of standard size after pressing, stretching, heat treatment and other processes. and, if necessary, by subsequent cold finishing of the hot-worked tubular product to produce the desired shape, size and properties. Seamless pipes can be made into shapes such as round, square, rectangular and special cross-sections. Thermal analysis is used to determine the percentage of specified elements, and when specified, steel pipes should be coated with an oil film before forming to prevent rust.

ASTM A519 Mechanical Tube includes seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing in sizes up to and including 12 3/4 in. (323.8 mm) outside diameter for round tubes with wall thickness as required.

ASTM A519 Mechanical Tube Production flow

Chinese Standards Corresponding to ASTM A519:

The ASTM A519 standard is an important standard for the manufacture and use of seamless steel pipes. It specifies the chemical composition, mechanical properties, manufacturing methods and inspection requirements of the pipe. In China, the corresponding national standards are mainly GB/T 8162-2008 "Seamless Steel Pipe for Structural Use" and GB/T 8163-2008 "Seamless Steel Pipe for Hydraulic Props".

1) Correspondence between ASTM A519 and GB/T 8162-2008

1. Chemical composition requirements
Both ASTM A519 and GB/T 8162-2008 have specific requirements for the chemical composition of seamless steel pipes, including carbon content, sulfur content, phosphorus content, etc. These requirements are designed to ensure that the material of the steel pipe meets the standards to meet the specific use requirements.

2. Mechanical performance requirements
ASTM A519 and GB/T 8162-2008 both stipulate the mechanical properties of seamless steel pipes, including tensile strength, yield strength, elongation, etc. These requirements are intended to ensure that steel pipes have sufficient strength and toughness to withstand loads and stresses under various operating conditions.

3. Manufacturing method requirements
ASTM A519 and GB/T 8162-2008 both stipulate the manufacturing methods of seamless steel pipes, including hot rolling, cold drawing, cold rolling, etc. These requirements are designed to ensure that the manufacturing process of steel pipes meets standards to guarantee the quality and performance of steel pipes.

2) Correspondence between ASTM A519 and GB/T 8163-2008

1. Purpose and field
ASTM A519 and GB/T 8163-2008 both stipulate the uses and fields of seamless steel pipes. ASTM A519 is mainly used in the fields of mechanical engineering and automobile manufacturing, while GB/T 8163-2008 is mainly used in the field of hydraulic equipment such as hydraulic props and hydraulic cylinders.

2. Dimensional and tolerance requirements
Both ASTM A519 and GB/T 8163-2008 have specific requirements for the dimensions and tolerances of seamless steel pipes. These requirements are designed to ensure that the dimensional accuracy and tolerances of steel pipes meet standards to meet the needs of different application scenarios.

3. Surface treatment requirements
ASTM A519 and GB/T 8163-2008 both stipulate the surface treatment of seamless steel pipes, including pickling, phosphating, sandblasting, etc. These requirements are intended to ensure the surface finish and corrosion resistance of steel pipes to extend the service life of steel pipes.
service life.

Summarize:

The Chinese standards corresponding to ASTM A519 are mainly GB/T 8162-2008 and GB/T 8163-2008. These national standards correspond to ASTM A519 in terms of chemical composition requirements, mechanical performance requirements, manufacturing method requirements, uses and fields, size and tolerance requirements, and surface treatment requirements. Understanding and complying with these national standards is of great significance to the manufacture and use of seamless steel pipes, which can ensure the quality and performance of steel pipes to meet the needs of various projects and applications.

Read more: Mechanical Tubing vs. Structural Tubing or ASTM A519 Specifications PDF