Gold Member Since 2013
Audited Supplier
Tianjin Sangong International Trade Co., Ltd.

Square Pipe, Square Hollow Tube, Thin Wall Pipe manufacturer / supplier in China, offering Black Finish Square Hollow Pipe, Eoe TFS 214, Pre Gi Square Pipe and Rectangular Tube and so on.

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Supplier Homepage Product black sqaure and rectangular pipe Black Finish Square Hollow Pipe

Black Finish Square Hollow Pipe

FOB Price: US $500 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $500/ Ton
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Port: Tianjin, China
Production Capacity: 5000 M/T Square Hollow Pipe
Payment Terms: L/C, T/T, D/P, Western Union, onetouch

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Basic Info
  • Model NO.: square hollow pipe 170
  • Technique: ERW
  • Surface Treatment: Black
  • Section Shape: Square
  • Square Hollow Pipe Material: 10*10-600*600mm
  • Length: Less Than 12m
  • Zinc Coating: 60-500G/M2 Square Profile Hollow Pipe
  • Business Style: Factory Sale Directly
  • Sample: Free and 2 Days
  • Transport Package: Bulk, Bundle
  • Origin: Tianjin, China
  • Type: Welded
  • Material: Carbon Steel
  • Usage: Furniture
  • Square Hollow Pipe Size: Square Hollow Pipe
  • Thickness: 60-500G/M2 Square Hollow Pipe
  • Rectangular Hollow Tube Material: Carbon Steel
  • Surface: Painting, Oiled
  • Factory Address: Tianjin, China
  • Trademark: jiubao for square hollow pipe
  • Specification: 10*10-600*600mm square hollow pipe
  • HS Code: 73066100
Product Description
We can do:
--Good Quality
--On-time Delivery
--Competitive Price
--Efficient After Service

Square profile hollow pipe
1. Size: 10x10-600x600mm
2. Material: Ms steel
3. Factory price
4. Do small order
5. Factory address: Tianjin
6. Loading port: Xingang, tianjin, china

Details of square profile hollow pipe:
Technique: ERW, Welded
Square profile hollow pipe Application: Construction, petroleum, chemical,
Bridges, coal, mine construction and automotive, agricultural production, fences,
Furniture, etc.
Material: Q235, ASTM A500, SS300, SS400, S235JR,

About us:
Tianjin Baolijin Pipe production Co., ltd is an subcompany of Sangong Group.
Products cover:
----1). Square profile hollow pipe
----2). Galvanized square profile hollow pipe
----3). Galvanized section steel: Angle steel, channel steel, I/H Beam, flat and round bar
----4). We also can galvanize anti-corrosion processing surface for you.
Production line:
------1). 10 square profile hollow pipe production lines
------2). 10 galvanized square profile hollow pipe production lines

Welcome OEM and ODM order

We warmly welcome You to visit our factories At Any Time, and
Inspect production process of square profile hollow pipe
1) Thickness :      0.5-30mm
2) Size(dia.):          15*15--600*600mm square hollow pipe

3) material :           Q195 Q235 Q215 Q345 St37 #10 #20 #45 ASTM 53/106
4) Certifications  : ISO9001-2000, API-5L

5) Standard:      ASTM BS GB API


 2m-12m ,by customer's requirements

International Standard

 ISO 9001-2008,SGS


 ASTM A53  BSEN10219  GB/T3094 JIS G3466 BS EN10210 GB/T6728 BS1387


 Q195,Q215,Q235,Q345 #10 #20  #45 St37 St52 St42 St35 API155

Product Category

 Metallurgy, Mineral & Energy


 Welded,ERW Cold Rolled,Hot Rolled


 Bared, Galvanized, Oiled,Or Other Anti-corrosive Treatment.

 We can produce other specifications according to customers requirements.

Zinc Coating



 galvanized: in bundles

          1.Big OD:in bulk  

          2.Small OD:packed by steel strips  

          3.By woven cloth with 7 slats  

          4. 20"GP:5.85*2.2*2.2 40"GP:11.85*2.2*2.2

Black steel pipe: oiled/painted, in bundles and tarpaulin outside           

 According to the requirements of customers  


With Chemical Composition and Mechanical Properties Analysis; 

Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection 


 Mechanical & manufacture, Steel structure, Shipbuilding, Bridging ,Automobile chassis

Water Pipelines, Waste waterlines , Water supply mainsDeep tube wells casing pipes, 

Gas/Natural gas pipe lines, Oil pipe lines, LPG & other nontoxic gas pipelinesIndustrial Purposes, Sewerage system, 

Industrial water lines/plant piping, Vehicular chassis and frames, Idlers & belt conveyorsAgriculture and Irrigation,

Scaffoldings, Electrical Cable conduits, Cooling towers, Antenna and Telecom Towers, Cold storages, 

Tabular polesFire Protection Systems, HVAC, Plumbing,Fabrication industry, 

Food Processing, Pharmaceutical, Petrochemical, Chemical, Machine Building, Automobile. 

Main market

North America     South America   Eastern Europe  Southeast Asia
Africa  Oceania   Mid East   Eastern Asia   Western Europe
Central America   Northern Europe   Southern Europe
South Asia   Domestic Market 

Country of origin



5000 Metric Tons per Month

Delivery Detail:

15-20days after receive the prepayment or L/C

Annie Yaru Xing
T/L: 0086-13662110415
FAX: 0086-22-23707982
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Ms. annie
sale manager
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