ASTM, GB, DIN, JIS Welded steel tube
ASTM A500 square steel tube
Q345B square hollow section
ASTM Square Steel Hollow Section, Rectangular Structure Steel Tube
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.
