Description

30mm*5mm ASTM A500/a500M-18 Gr.A Cold-Formed Seamless Carbon Steel Structural Tubing in Rounds

ASTM A500 Grade A is a specification for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is commonly used for structural applications in construction, engineering, and architecture.

Chemical Composition

Mechanical Properties

Application

1. Building Construction: ASTM A500 Grade A tubing is widely used in building construction for various structural elements. It can be found in columns, beams, trusses, and other load-bearing components in commercial buildings, residential structures, and industrial facilities.

2. Infrastructure Projects: ASTM A500 Grade A tubing is utilized in infrastructure projects such as bridges, highways, tunnels, and railway structures. It provides the necessary strength and structural integrity to support heavy loads and withstand environmental conditions.

3. Industrial Equipment and Machinery: ASTM A500 Grade A tubing is employed in the manufacturing of industrial equipment and machinery. It is used in the construction of frames, supports, and structural components for machines, conveyors, material handling systems, and equipment used in various industries.

4. Architectural Applications: ASTM A500 Grade A tubing is utilized in architectural applications where structural integrity and aesthetic appeal are important. It can be found in the construction of decorative structures, canopies, façades, and other architectural elements.

5. Recreational Equipment: ASTM A500 Grade A tubing is utilized in the manufacturing of recreational equipment such as playground structures, park benches, outdoor exercise equipment, and sports facilities.

Characteristic

1. High Strength: ASTM A500 Grade A tubing has a minimum yield strength of 39,000 psi (270 MPa) and a minimum tensile strength of 45,000 psi (310 MPa). This high strength allows it to withstand heavy loads and provide structural stability.

2. Ductility: ASTM A500 Grade A tubing exhibits good ductility, which is its ability to deform under stress without fracturing. This characteristic allows for easier fabrication and forming processes, such as bending and shaping.

3. Uniformity: ASTM A500 Grade A tubing is manufactured with strict dimensional and wall thickness tolerances. This ensures uniformity in size, shape, and thickness, facilitating easier installation and assembly.

4. Cold-Formed: ASTM A500 Grade A tubing is produced through a cold-forming process, where the steel is shaped at room temperature. This process imparts certain advantages, including improved dimensional accuracy, better surface finish, and enhanced structural integrity.

5. Weldability: ASTM A500 Grade A tubing is readily weldable using common welding techniques, such as electric resistance welding (ERW) or submerged arc welding (SAW). Welding the tubing allows for the fabrication of complex structures and joining with other components.

FAQ

Q1: What is ASTM A500 Grade A?

A1: ASTM A500 Grade A is a specification for cold-formed welded and seamless carbon steel structural tubing. It defines the requirements for the chemical composition, mechanical properties, dimensions, and tolerances of the tubing.

Q2: What are the key differences between ASTM A500 Grade A and Grade B?

A2: The main difference between ASTM A500 Grade A and Grade B is their minimum yield strength. Grade A has a minimum yield strength of 39,000 psi (270 MPa), while Grade B has a minimum yield strength of 46,000 psi (315 MPa). Grade B offers higher strength compared to Grade A.

Q3: What are the typical applications of ASTM A500 Grade A?

A3: ASTM A500 Grade A tubing is commonly used in structural applications. It finds application in building construction, infrastructure projects, industrial equipment, architectural elements, storage racks, agricultural structures, and recreational equipment, among others.