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S355 Black square hollow steel tube,china ltd

FOB Price: US $580 - 700 / Ton Get Latest Price
Min.Order Quantity: 10 Ton/Tons
Supply Ability: 500.000 Ton/Tons per Year
Port: Xingang,Tianjin,China
Payment Terms: L/C,T/T
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Quick Details

7 - 20 mm
Section Shape:
Outer Diameter:
Place of Origin:
Tianjin China (Mainland)
Secondary Or Not:
Structure Pipe,structure pipe
Surface Treatment:
Black,oil treating, and according to customer's requirement
Special Pipe:
Thick Wall Pipe
Alloy Or Not:
Is Alloy
10#,20#,45#,Cr5Mo,35CrMo4,Cr2Mo,30CrMo,16Mn,A53(A,B),API K55,API P110,Q235,Q345,Q195,Q215,10#-45#,Cr-Mo alloy,A53-A369,API J55-API P110,Q195-Q345
BS 1387,JIS G3452-2004,JIS G3444-2006,JIS G3457-2005,JIS G3441,GB/T 8163-1999,GB/T 8162-1999,ASTM A53-2007,ASTM A252-1998,ASTM A513-2007,API 5L,BS,JIS,GB,ASTM,API,ASTM&GB

Packaging & Delivery

Packaging Detail: Our products can be packed in bulk, or pvc bag; we also can package as customers requirements
Delivery Detail: 15-20days


1. Min Order : 20 tons
2.Size :250*250-500*500mm
3. Thickness: 7mm -- 20mm
4.Certification: ISO


Product nameHigh Quality Carbon steel tube and pipes
Size:Square pipe250*250-500*500mm
Rectangular pipe250*300-400*600mm
Round pipe350*400-1220*1220mm
Wall ThicknessSquare pipe7.0mm-20mm
Rectangular pipe
Round pipe7-50mm
Length:6-12m Or Other Sizes According To The Contract
Steel GradeQ235,Q345,Q420 ,Q195,16Mo (Chinese Standard, Other Material Can Also Be Provided
SurfaceBared Or With Oiled Or Client Option
Quality gradeFirst grade
Tolerence of OD±0.5mm
Standard  GB/T6725-2002,T6728-2002, API5L
specificationsAvailable according to customer’s requirements and quantity.
Surface treatmentBlack,oil treating, and according to customer's requirement
CertificateAPI, ISO, SGS
Deliver Time15-30 days after receive your deposits.
PackageOur products can be packed in bulk, pvc bag; or Containers
we also can package as customers requirements
Usage industrySquare tubeConstruction Foundation Piles,Steel Structure Building, Steel Structure Bridges etc.
Rectangular tube
Round tubeFor Low-Pressure Fluid service, oil,water, gas transportation.
OthersWe can do special orders as customers requests!
We can also can provide all kinds of steel hollow pipes.
Sincerely welcome the customer from all over the world!
Contact info.Skype:aliceliu329
Mobile : 0086-130-2137-2909 



manufacturing process:






Tel ;86-130-2137-2909  




Not exactly what you want? 1 request,multiple quotations Get Quotations Now >>
First of all, our company invested RMB120 million and RMB50 million respectively in introducing domestic advanced high frequency welding square and rectangle pipe production line and straight seam submerged arc welding pipe production line.

Secondly, the forming method of square and rectangle pipes is ERW, using high quality rolled plate and the reinspection is not qualified after slitting or coil automatic forming and welding, computer control the best amalgamation in temperature at the ... View detail

Basic Information

Product/Service (We Sell): Big calibre steel pipes,square steel tube,rectangular steel tube,square steel pipe,big calibre square tube  
Brands: Liye,liye,Liye  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: Mid East
Northern Europe
Western Europe
Eastern Europe
North America
Central America
South America
Domestic Market
Total Annual Sales Volume: US$5 Million - US$10 Million  
Export Percentage: 21% - 30%  

Factory Information

Factory Size (Sq.meters): 50,000-100,000 square meters  
Factory Location: NO.8binhe road,Ninghe economic development zone,Tianjin of China  
Number of Production Lines: 10  
Number of R&D Staff: 21 - 30 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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How It Works

China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2011 , 4 years OEM

Communicate with Supplier:

Mr. Jan Gu
Mr. Jan Gu:
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