ERW Q235 black welded square steel pipes/square steel tubes

Product:  Square pipe

Standard: GB/T6728-2002 

Certification: ISO

Material: Q195, Q235

Outer Diameter: 15mm*15mm-160mm*160mm 

Thickness: 0.4mm-6mm 

Length:6m or by customer’s requirements

Surface Treatment:1.Bared  2.Black Painted 3. by customer’s requirements

Technique: welded

MOQ:25tons

Usage: Mechanical & manufacture, Steel structure, glass curtain wall, 

doors and Windows decoration, guardrail, agricultural greenhouse

Package: 1.Big OD: in bulk 2.Small OD :packed by steel strips

3.woven cloth with 7 slats

Payment: L/C, T/T 

Delivery time: Normally 20-30 days after receiving L/C or 30% deposit

1.Small MOQ of Carbon Steel Pipe

2.Large supply ability of Carbon Steel Pip

3.Can accept any complex inquiry of Carbon Steel Pipe

4.Stock available of Carbon Steel Pipe

5.Strong processing and warehousing service for Carbon Steel Pipe

6.Strict quality control for Carbon Steel Pipe

7.Professional negotiation for Carbon Steel Pipe

8.Contact me at any time through trademanager

    Tangshan Huaye Steel Pipe Manufacturing Co., Ltd was established in 2004. It is located in Tangshan of Hebei province  in the north of  China with a registered capital of 10,000,000 RMB,nearly 200 staffs. The annual output is about 310,000 tons. Our company is specialized in the production of steel bar and steel wire for prestressed concrete, and high frequency welded steel pipe (including rack pipe) with good reputation and famous brand in North China.

    Our company has passed ISO9001:2008 Quality management system certification since 2013.

     The main products are Steel Bar for Prestressed Concrete, Steel Wire for Prestressed Concrete and all kinds of spray(dip) paint steel pipe (including Rack pipe and Galvanized pipe), etc. We also sell Steel Strand for Prestressed Concrete, Steel Strip, Profile Steel, Steel Pipe and other steel products. The products are widely used in many large infrastructure projects, city landmark buildings and civilian residential construction, etc. , at home and abroad.