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Liaoning QHHK Construction Material Technology Co.,LTD.
Liaoning QHHK Construction Material Technology Co.,LTD. Steel Stucture Professional Manufacturer And Exporter!
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Cold Rolled Square Galvanized Tubing For Steel Structure Buildings

Liaoning QHHK Construction Material Technology Co.,LTD.
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Cold Rolled Square Galvanized Tubing For Steel Structure Buildings

Brand Name : zhongda
Place of Origin : shenyang
MOQ : 25 Tons
Price : US $500 - 800
Supply Ability : 30000 tons per month
Delivery Time : Shipped in 30 days after payment
Packaging Details : Standard export seaworthy package,suit for sea or as required
Standard : ASTM
Section Shape : Square
Zinc coating : 40-280g/m2
Surface Treatment : Galvanized
Application : Structure Pipe
Material : Q195/Q215/Q235/Q345
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Cold Rolled Square Galvanized Tubing For Steel Structure Buildings

Product Description:

Brief Introduction for Carbon Steel Pipe


No.ItemDetails
1Produce TechniqueHot Rolled, Cold Rolled, Cold Drawn and Galvanized Steel
2Steel Pipe AvailableERW, EFW
3Hot Rolled ERW PipeRound Diameter: 21 - 430mm
Square Diameter:20x20mm-500x500mm
Rectangular Diameter:20x10mm-600x400mm
4Cold Rolled ERW PipeRound Diameter: O.D 10 - 89mm x W.T. 0.5-2.5mm
Square Tube: 10x10mm-120x120mm x W.T. 0.5-2.5mm
Rectangular Tube:10x20mm-80*120mm x W.T. 0.5-2.5mm
5Production StandardGB/T3091, GB/T13793, GB/T9711, JIS3466
ASTM A53, ASTM A500, ASTM A106,
BS1387, EN10025, EN10210, EN10219,etc.
6Steel Pipe MaterialQ195~Q345B, Gr.A~Gr.C, STKM 11A-13A
7Surface TreatmentBlack annealed, bright annealed or galvanized
8Common Length6m/ 5.8m(20GP) / 11.8m(40GP)
9Steel Pipe OriginChina(Mainland)
10Annual Output2 million Ton
11MOQOrdinary Size: 5Ton, Customized Size: 20Ton
12Steel Pipe ApplicationConstruction, machinery, furniture structure

Product Show


A. Black annealed steel pipe: It is made from cold rolled black annealed steel strips, formed

afterelectrical resistance welding.


Steel Structure Buildings Hollow Section/Building Materials Cold Rolled Galvanized Square Tubing


Black annealed steel pipe are widely used as furniture structure, such as desk, table, bed, and other

household shelves. This kind pipe can be bend, painted or powder coated.


B. Hot rolled steel pipe: this is the most common pipe in China, formed from hot rolled steel

strips after erw welding.


Steel Structure Buildings Hollow Section/Building Materials Cold Rolled Galvanized Square Tubing

Steel Structure Buildings Hollow Section/Building Materials Cold Rolled Galvanized Square Tubing


Hot rolled erw pipe is widely used as construction and machinery structure, the most widely used material for

this kind pipe is Q235 or Gr.B.


C. Hot galvanized steel pipe: It is made from cold rolled bright annealed steel strips, formed

after electrical resistance welding.


Steel Structure Buildings Hollow Section/Building Materials Cold Rolled Galvanized Square Tubing


Bright annealed steel pipe is widely used as precision car or auto parts or decorative products. It is with good

surface, which could be chromed and painted. And this pipe could be bent according to requirements.


Inspection Process


Diameter Test Wall Thickness Test Length Test


Steel Structure Buildings Hollow Section/Building Materials Cold Rolled Galvanized Square Tubing

Steel Structure Buildings Hollow Section/Building Materials Cold Rolled Galvanized Square Tubing


Material quality of our square tubing

Chinese suppliers Direct factory square tubing 3x3


Packaging & Shipping


We have our own warehouse and will ship the the goods through the professional shipping agent.

Galvanised square tube pre galvanized square steel pipe/tube square steel tubing prices

Our Service
1. We own the factory with advanced equipment and well trained workers.

2. We control the cost for every step of production to keep the reasonable price .

3. We control production quality very strictly to keep ournone compensation record.

4. We guarantee 24 hours response and 48 hours solution provide service.

5. We provide free samples before orders, we accept trail order quantity before regular cooperations.

6. We ensure you get your order delivery in full within the agreed time period

7. Due to our selling power and exporting volumn, we have excellent freight rates with shipping lines.

8. We strive to always be fair and honest in our dealings with customers.

9. We strive to work together with customers to achieve much more than we can achieve alone.

10. We focus on growing business together with all of our customers,Because we understand to take care of our own benefit we firstly need to take care of customer's benefit .
11. Through our passion and commitment we aim to be a market leader in all our key markets. To maintain our position as market leader we must continue to add value in all that we do.

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