• Model NO.：50mmx50mm Black Square Steel tube
• Diameter：10 * 20mm,15mm*15mm - 200mm * 400mm,300mm*300mm
• Thickness：0.5mm - 20mm
• Pipe Ends：Square Cut, Burr Removed
• Length：1-12m, SRL,DRL, 20FT, 40FT, Fixed or Special
• Item Name：Square Steel Pipe
• Packaging：Standard Export Package or as Your Require
• MOQ：10 Tons
• Delivery Time：15-30 Days
• Transport Package：Bulk, Bundle, Seaworthy Packing
• Specification：ASTM, API, DIN, JIS, SGS
• Trademark：LC
• Origin：Tangshan
• HS Code：73066100
• Production Capacity：1, 500, 000 Tons Per Year

1) Thickness :      0.5-20mm
2) Size(dia.):          10mm*20mm/15mm*15mm-200mm*400mm/300mm*300mm

3) material :           Q195 Q235 Q215 Q345 St37  ASTM A500
4) Certifications  : ISO9001-2000, API-5L

5) Standard:      ASTM BS GB API
 
Length
 
 2m-12m ,by customer's requirements
 
Standards
 

GB/T6728-2002,GB/T6725-2002, GBT3094-2000,JG 178-2005, ASTM A500 JIS G3466,EN10210

Materials
 
 Q195,Q215,Q235,Q345  St37 St52 St42 St35 
Product Category
 
 Metallurgy, Mineral & Energy
 
Technique
 
 Welded,ERW Cold Rolled,Hot Rolled
 
Surface
 
 Bared, Galvanized, Oiled,Or Other Anti-corrosive Treatment.

 We can produce other specifications according to customers requirements.
 
Packing
 
          1.Big OD:in bulk  

          2.Small OD:packed by steel strips  

        3. 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  
 
Inspection
 
With Chemical Composition and Mechanical Properties Analysis; 

Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection 
 
Usage/Application
 
 Mechanical & manufacture, Steel structure, Shipbuilding, Bridging ,Automobile chassis

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
 
China
 
Productivity
 
1,500,000Metric Tons per Month
 
Delivery Detail:
 
15-20days after receive the prepayment or L/C
 











0.7-2.0  
1.High quanlity and reasonable price.
2. Customized on-demand.
3. Reasonable shipping and fast delivery.
4.Free sample.
If you have any question,please contact us!
We will reply you within 24 hours.
TANGSHAN LIANCHUANG STEEL MAKING SCIENCE & TECHNOLOGY CO., LTD
Add: LUAN COUNTY,EQUIPMENT MANUFACTURING INDUSTRIAL PARK,TANGSHAN CITY,HEBEI PROVINCE,CHINA
Tel: +86-18833353021  Fax:+86-315-7410603