Product specifications:
Specification table for thick walled square pipes（mm）

Executive standard of the national standard for square and rectangular pipes: GB/T3094-2000, also known as square and rectangular cold formed hollow sections, is abbreviated as square and rectangular pipes, with codes F and J, respectively.

Product specifications:
Specification table for thick walled rectangular pipes（mm)

Product specifications:
Specification table for thick walled rectangular pipes（mm)

Product specifications:
Specification table for thick walled rectangular pipes（mm)