Place of Origin
Tianjin, China
Standard
API, ASTM, bs, GB, JIS
Grade
10#, 20#, 45#, 10Cr9Mo1VNb, 15NiCuMoNb5, 16mn, Q235, Q345, Q195, Q215, ST42, STB42, STBA25, STBA26, STPA26
Application
Structure Pipe
Special Pipe
Thick Wall Pipe
Secondary Or Not
Non-secondary
Product name
black iron square and rectangular tube for structure frame
Keyword
black square and rectangular tube
Usage
Construction Structure,Appliance manufacturing,Auto parts
Application
Bridge,construction,machine
standard
GB/T3091-2008,GB/T3092-2008,GB/T14291-2000,GB/T14980-1994