Galvanized square tube
- Apr 11, 2018 -

The galvanized square tube is a hollow square cross-section type steel pipe with a square cross-section shape made of hot-rolled or cold-rolled galvanized steel strip or galvanized coil blank which is subjected to cold bending forming and then high-frequency welding. Or the galvanized square moment tube made of cold-formed hollow steel tubes and then hot dip galvanized.