galvanized steel square tubing
Basic Info Commodity: Galvanized Square Tubing Square Tube: 20X20mm-500X500mm Rectangular Tube: 10X20mm-400X600mm Wall Thickness: 1.0-30.0mm Length: 6.0m, 5.8m, 1-12.0m Steel Grade: S235jr/S355;ASTM A500;Stk400/Stk500 Zinc Coating: 40GSM-600GSM Business Type: Manufacturer &...Send InquiryContact Us
Commodity: Galvanized Square Tubing
The galvanized steel square tubing is a hollow square section steel tube with a square cross-sectional shape and a shape obtained by hot-rolling or cold-rolling galvanized steel strip or galvanized coil as a blank after cold bending forming and then high-frequency welding. Or a galvanized square tube made of cold-formed hollow steel pipe which has been prepared in advance and then hot dip galvanized.
From the production process, it is divided into hot-dip galvanized square tube and cold-galvanized square tube. Hot-dip galvanizing is the formation of a square tube in a hot-dip galvanizing bath through a series of chemical reactions; while cold-galvanizing is carried out by electrochemical principles. Our galvanized square tubes are made of high-quality raw materials, and the distribution of the lines is relatively uniform, and cracks do not occur.
|Size / Out Diameter||Square Hollow Section: 20x20mm-200x200mm
Rectangular Hollow Section: 20x30mm-150x200mm
|Length||General 5.8m , 6m(20ft)
Customized length is avaliable
|Material||Carbon Steel Q195, Q235, Q345, A500 Grade A, A500 Grade B, A36, L350, L250 ects.|
|Technic Standard||EN 10219, ASTM A500, AS/NZS1163, GB/T 6728|
Since the tube of the galvanized steel square tubing is galvanized, it is more durable and has a particularly high corrosion resistance. Its entire structure is formed by a protective film of zinc, which constitutes a compact quaternary crystal, which can effectively prevent the corrosion of foreign objects. Zinc on the square tube will form an oxide layer, when there are scratches, scratches, etc. When it occurs, zinc will become an insoluble oxide layer, preventing foreign matter from invading and protecting it.
Galvanized square tubes are mainly used for curtain wall, construction, machinery manufacturing, steel construction projects, shipbuilding, solar power brackets, steel structure engineering, power engineering, power plants, agriculture and chemical machinery, glass curtain walls, automobile chassis, airports, etc.
Packing and Shipping
Package 1. in bundle only. packed with steel strip 2. in bundle and PVC plastic package
ISO , BSI, UL, FPS(for Singapore market), CNZA (labory cvertificate)