- S355 steel pipe, square hollow section
- 2017-01-17 05:34
- S355 steel pipe, square hollow sectionSeamless square pipe / rectangular pipe 1)Specifications: 30 * 30-600 * 600mm,wall
- ASTM A500 square hollow section, steel tube
- 2017-01-17 05:33
- ASTM A500 square hollow section, steel tubeSquare pipe Seamless square pipe1)Specifications: 30 * 30-600 * 600mm,wall th