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Chinese Factory Balck Mild Steel Tube For Weight Calculator - China

price: 560.00 Dollar US$

1. Product Name:Square Tube, Square Hollow Section, Rectangular Tube, Rectangular Hollow Section
2. Size:20x20mm—800x800mm, 20x30mm—600x800mm
3. Wall thickness:1-35mm
4. Steel Grade:Q235B, Q345B, S235, S275, S355, STK490, STK400, C250, C350, Gr.B/C/D, etc
5. Standard:1) DIN EN 10210 (Europe) : Hot finished structural hollow sections of non-alloy and fine grain steels
2) DIN EN 10219 (Europe) : Cold formed welded structural hollow sections of non- alloy and fine grain steels
3) ASTM A500 GR A/B/C(American) : Cold formed structural Circular sections and special sections
4) GB/T 3094-2000 (China): Cold drawn forming steel tube
5) GB/T 6728-2002(China): Cold formed structural hollow sections
6) JISG 3466(Japan) Carbon steel square pipes for general structural purposes
7) AS 1163(Australia): Structural Steel Hollow Sections
6. Certificates:API5L, CE, CNAS, DNV, KR, ABS, ISO 9001:2008, ISO 14001
7. Surface Treatment:Black, Painted, Oiled, Varnish coating, Galvanized, etc.
8. Marking:Standard marking, or according to your request.
9. Pipe Length:6m, 12m, or as per customer's request
10. Technique:ERW Welded square and rectangular tube
11. Packaging:1.Big OD: in bulk 2.Small OD :packed by steel strips
3.woven cloth with 7 slats 4.According to the customer's requirements
12. Application:Mechanical & manufacture, Steel structure, Ship building, Bridging, Automobile chassis
13. Logo:HLDPIPE, Huludao Pipe
14. Main Market:Middle East, Asia, Africa, and European country and America, Canada, Australia, South America, etc
15. Company information:Founded on Sep 28, 1993, it's a specialized enterprise manufacturing high frequency longitudinal seam welding steel pipes, which products are mainly used for transportation of water, gas, petroleum and also used for structure pipe, scaffold, casing and tubing.
16. Our Philippines factory:Set up in 2009, with facotry floor area of 101, 000.00square meter and Build-up area of 57, 000.00 square meter, can produce 4"-16" ERW carbon steel pipes, and its main marekt: USA and Canada
17.Advantages:1.Reasonable price with excellent quality
2.Abundant stock and prompt delivery
3.Rich supply and 23 year manufacturing experience, sincere service
4.Reliable forwarder, 4-hours away from loading port.


Company Contact:


  • Phone: 86-10-52706051

  • Address: Beigang Industrial Zone, Huludao, China

  • Email: Email


Published date: December 26, 2016 -

  • Business Description: HULUDAO CITY STEEL PIPE INDUSTRIAL CO., LTD Was founded on September 28,1993, it's a specialized enterprise manufacturing high frequency longitudinal seam welding steel pipes,which products are mainly used for transportation of water,gas, petroleum and also used for structure pipe, scaffold , casing and tubing.
    After the development of 23 years, the company has 15 sets of longitudinal seam welding mills and can produce all kinds of high frequency longitudinal seam steel pipes with diameter from 21.3 (1/2 ") to 609.6 (24 "), double-sided spiral submerged arc welded steel pipe with diameter from 219 ~2540 and the various size rectangles tube, the company can conduct hot dip galvanized process, 3 PE, 2 PE, 3 PP, 2 PP/FBE coating as well as threading for the steel pipes, The whole steel pipe production covers an area of 430000 square meters and the building area is 150000 square meters with the fixed assets of 800 million RMB, it is a large scale welded pipe production enterprise with annual production capacity 700000 tons.

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