Steel Tubes Galvanized or Black in supply:
---Material Grade:Q195-Q235 / SS330
---Standard: GB/T6728/2002
---Standard: GB/T6728/2002
---Surface treatment:
Galvanizing / Oil Painting / Painting / Perforating
---Wall thickness: 0.8mm-12.0mm
---Available sizes: 20*40-250*350mm
---Normally used specification
---Delivery time: 15/20/25 days after PO cfm
---Transation term: FOB,CIF,C&F
---Payment term: T/T
Features:
1) Material of stainless steel: grade: AISI 201, 202, 301,304, 304L, 316.etc.
2) Applied field: construction upholstery, and industry instruments (fencing, railing,safe doors / windows, gate fittings, inside staircases, balcony balustrades,furniture, sanitary wares, kitchen wares)
Addition:
Addition:
(1) Rectangular steel tube: the size from 10mm*15mm to 400mm*600mm, wall thickness from 0.48mm to 20mm.
(2) Spiral steel pipe: the outside diameter from 219mm to 5000mm, wall thickness from 8mm to 300mm.
(3) Galvanized pipe: the outside diameter from 20mm to 273mm, wall thickness from 0.6mm to 12mm.
(4) Welded pipe: the outside diameter from 5mm to 168mm, wall thickness from 0.2mm to 12mm.
The square tube is a hollow square cross-section of light thin-walled steel pipe,also known as steelcold-formed profiles. Hot-rolled special thick-walledsquaretubes in addition to wallthickness of thickening, the size ofthecorner and edge straightness toachieve even more than theresistancewelding of cold formed square tubelevel.
It is made by the Q235 hot rolled or cold rolled strip or coil for parent metal forming by cold bending after the high frequency welding steel of square cross-section shape and size.
