Product Details

Specifications

square tube steel
1.Material:Q195,Q345,Q235
2.WT: 0.45mm-2.5mm
3.Surface:pre-galvanized
4.Zinc coat:30-275g/m2

Company Information

Tianjin's Erf metal structure co., LTD. (subordinate KaiLongGang structure co., LTD) is a positive response to the national development and environmental protection, energy-saving and efficient steel structure industry, and was engaged in steel structure of the system design, research and development, production and installation of professional firms.

We have two factories, one of which already has more than nine years of experience. And we have establish a new factory. Our company is mainly engaged in cold bending steel, cold bend profiled steel, CZU type steel; Galvanized steel, steel door frame; Hot dip galvanized steel structure; Sisheng metal manufacturing, rolled plate kaiping; Steel, strip steel, and other products.

Product Description

Commodity	Promotion price!!! square tube steel on sale
Shape	Round pipe	Square tube	Rectangular tube
Outer diameter	10.3-2032mm	2020-400400mm	2030-400500mm
Wall thickness	1.73-52.37mm	0.5-25mm	0.5-25mm
Length	1m--5.8m/6m/12m and random length
Tolerance	OD: +/-5%; Thickness: +/-5%; Length: +/-10%.
Standard	Round pipe: GB/T3091, BS1387-1987, ASTM A53, DIN2440, EN39-2001. Square/Rectangular tube: GB/T6728-2002, ASTM A500 Gr A B C, JIS G3466.
Grade	Q195, Q235, Q345, ST37, ST52, Grade A, Grade B.
End finish	Plain/ beveled ends or threaded with sockets/coupling and plastic caps.
Usage	Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Low pressure fluid pipe for water oil or gas, Boiler pipe.
Inspection	With hydraulic testing, eddy current and infrared test
Standard export packing	In bundles by steel strips, waterproof woven cloth with 7 slats, then pack into 20' or 40' container.
Delivery time	Less than 20days, ASAP to save your time.
Payment Terms	T/T or L/C
Others	1:Special design available according to the clients' requirement. 2:Pipe can be painting. 3:All production process are under the ISO9001:2008 strictly