Product Description
Large diameter square pipes for sale black steel pipe carbon seamless pipe

Square tubes can be divided into seamless and welded ones. Seamless square tubes are extruded
from seamless circular tubes.
Square steel pipe, thick walled square steel pipe, large diameter square steel pipe, seamless square
steel pipe, low alloy square steel pipe, 135 * 135 * 10 square steel pipe, square steel pipe for tower crane,
Q345B low alloy square steel pipe, 20# seamless square steel pipe.


Welded pipe, Seamless pipe, Plastic lined pipe, Spiral pipe,
Galvanized pipe, Rectangular Carbon steel pipe, etc.

Standard | API5L, ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A270, ASTM A249, ASTM A511,ASTM A778 ,ASTM GB5310-2009,GB3087-2008,GB6479-2013,GB9948-2013,GB/T8163-2008, GB8162-2008 . JIS G3463,JIS G3119,JIS G3446,JIS G3218 | |
Surface | Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment) | |
Application | Structure, Electric power transmission tower projects, Piling, Water, Oil & gas pipeline engineering, Mechanical industry, Municipal projects, Roads and its auxiliary facilities, etc. | |
Carbon steel round pipe/tube | ||
Size | Outer Diameter | 20MM-1219MM |
Wall Thickness | 0.6MM-20MM | |
Length | 1M, 4M, 6M, 8M, 12M (accroding to the buyer's request) | |
Carbon steel square pipe/tube | ||
Size | Outer Diameter | 5mm-1000mm |
Wall Thickness | 0.4mm-40mm | |
Length | 5800~12000mm or as customized | |
Carbon steel plate/sheet | ||
Size | Wall Thickness | 2mm-100mm |
Length | 1000mm-12000mm | |
Width | Plate:600-2250mm, Coil:24-600mm |


APPLICATION
Square tube includes construction, machinery manufacturing, steel construction projects, shipbuilding,
solar power generation support, steel structure engineering, power engineering, power plant,
agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, boiler construction,
highway railing and house construction.

