round and square gi carbon galvanized steel pipe hollow section structural steel tube

1-49 Tons
50-99 Tons
>=100 Tons
Min. Order
1 Lot
Each Lot
1 Ton
Choose your specifications
Company Information

Jinan Xin Jiyuan Special Section Tube Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
7 Years Paid Supplier Supplier
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Quick Details

Standard2: JIS G3474-2008,DIN EN 10216-1-2004,DIN EN 10208-1-1998,DIN EN 10217-1-2005,DIN EN 10305,DIN EN 10025,ASTM A53-2007,ASTM A312-2007,ASTM A53M-2007,ASTM A312M-2007,ASTM A513-2007,GB/T 12770-2002,GB/T 3094-2000,GB/T 14291-2006,GB/T 14975-2002
Grade Group: Q195-Q345,10#-45#
Grade: Q235,Q345,Q195,Q215,10#,20#,45#
Thickness: 1.5 - 35 mm
Section Shape: Rectangular/Square
Place of Origin: Shandong China
Application: Structure Pipe
Technique: Cold Rolled
Certification: CE
Surface Treatment: Galvanized
Special Pipe: Thick Wall Pipe
Alloy Or Not: Non-alloy
Type: Cold Formed Hollow Carbon Pipe
Material: Q195/Q215/Q235/Q345
Surface: oil,paint or customers&#39;t requirement
Shape: Square. Rectangular.Round
Usage: Construction Structure
Tensile Strength: 560-580Mpa
Yield Strength: 360-380Mpa
Bend Test: Qualified
MOQ: 2 Tons
Delivery time: Delivery10-35days
Secondary Or Not: Non-secondary
Selling Units: Multiple of 1
Volume per batch: 16 cm
Gross weight per batch: 20 KG
Package Type: 1.In bundles 2.Standard export packing 3. According to customer&#39;s requirements.
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Product Description

round and square gi carbon galvanized steel pipe hollow section structural steel tube

Jinan Xin Jiyuan Special Section Tube company purchased three production lines at the cost of over RMB16 million for construction of new factories; they have been gradually put into operation. These production lines make full sizes of square tubes and rectangular tubes: 20 x 20 to 600 x 600 square tubes, 20 x 30 and 400 x 800 rectangular tubes; Thickness: 1.5mm to 32mm, with over 2,800 kinds of specifications; Materials: Q195, Q215, Q235, Q275, Q345, 20#, 45#, stainless steel, seamless pipes, alloy steel, etc. We provide diamond, triangular, pentagonal, hexagonal, fan and other special shapes, and also can tailor-made according to customers' drawings and dimensions.

Square:20*20-600*600 mm
1.0mm -35.0 mm

GB/T3094-2000 GB/T6728-2002
ASTM A500 
JIS G 3466
DIN EN 10210 or or according to customers' requirement.

Q195,Q235,Q275,Q345 20#,45# S235,S355
SS304, SS316 , SS321 ,SS400 and so on. 
6m, 12m, or according to customers' requirements
HS Code


Hot Rolled, Cold Rolled,


High-frequency welded,

High-frequency welded,
Bared, Oil, Galvanized, Paint
In order to make best quotation, Please kindly indicate length, width, thickness and the standard,material you required.
Products Show
Our Company

Jinan Xin Jiyuan Special Section Tube Co., Ltd. is a holding company of Jinan Xinfangyuan Special Steel Tube Co., Ltd. founded in 1997. We are located in Dawei Industrial Park, at north end of Second Ring Road, Jinan City, Shandong Province, close to Beijing-Shanghai Expressway. The transportation is very convenient. We have a good production and operation environment.

    Office building

Our company regards the product quality as the lifeblood of an enterprise and guarantees the quality of products. Our company has passed ISO9001:2008 certification. Our products have passed the European Union 10210-1:2006 and 10219-1:2006 CE certifications. Our company, with more variety, large inventory, high quality, short delivery time and many other competitive advantages, has become a designated supplier of many large enterprises. 


Our production lines are internationally leading, as the first domestic gradual roll extrusion mill group. We abandon the original workshop mode of cold drawn square steel tubes. Fully automated units can ensure mechanical and physical properties of square tubes and rectangular tubes. The hourly output of each production line is more than 20 tons, with the annual output up to 150 hundred tons.

   Our team

 Our company has 2 foreign trade teams.Our chairman and general manager Changxing Hu, heartfelt thanks friends from all walks of life for many years' trust and support. All staff will serve our clients as always for common development, win-win cooperation and a good reputation.

Our Service

Professional pre-sales service

1. Our sales staff will provide inquiry and consultation support, respond promptly, and patiently answer customer concerns. And your inquiry related to our products or prices will be replied in 24 hours.

2. Provide customized services according to customer needs. And 

best quality and competitive price.

Perfect sales service

1. In the industry, our R&D team learns the latest technology and applies the latest technology to product development and production.

2. Our technical and quality inspectors are constantly improving, from raw material procurement to production and delivery, quality testing is carried out at every stage to ensure product quality.

Quality after-sales service

1. Respond to the customer's letter or phone in time, and improve the product in time according to customer feedback.

2. We can provide various product certificates for foreign customers and provide quality after-sales service for foreign customers. Protection of your sales area, ideas of design and all your private information.

Our Certifications
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Our products are widely used in large scale steel structure engineering, machinery manufacturing, shipbuilding, bridges, construction industry, metallurgical industry, automotive industry, railways, highways, aviation, container, furniture, decoration and many industries.



Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

Q: How can i get your contact information ?

A: My name is Arno Wu. Whatsapp/Cel:+86-18765858961, You can contact me directly by phone, welcome to inquire.