Q345B Welded Steel Hollow Section Tube, ASTM, GB, DIN, JIS Square Hollow Sections For Construction, Furniture

Q345B / square steel tube / square hollow section / structure steel tube / ASTM A500 / Welded steel tube
ASTM, GB, DIN, JIS

Description:

Square steel tube, square steel hollow section, construction tube, furniture tube

Standard: ASTM, GB, DIN, JIS

Classification: Seamless and welding

Thickness: 2mm-25mm

Specifications: 20*20mm-500*500mm

Implementation of standards

Executable GB6728-2002 standards for structural steel cold-formed hollow

Executable JISG3466-88 in Japan to adapt the general scope of Rectangular Pipe Construction Standards

Application: Widely used in water supply, construction support, mechanical tube

Our company specializes in manufacturing of steel pipes for structures, electric power transmission project, pipeline of fluid use like water, oil and gas, piling, mechanical industry and municipal project. It has close relationships with many large steel corporations. So it supplies complete steel products according to customers’ requirements.