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Q235B Black Square Pipe

Min. Order: 10

Basic Info

Model No.:  Q235B Black Square Pipe

Product Description

Model NO.: Q235B Black Square Pipe Technique: ERW Surface Treatment: Black Section Shape: Square Thickness: 0.5mm - 20mm Length: 1-12m, SRL/DRL, 20FT/ 40FT, Fixed or Special Packaging: Standard Export Package or as Your Require Delivery Time: 15-30 Days Specification: ASTM, API, DIN, JIS, SGS HS Code: 73066100 Type: Welded Material: Carbon Steel Usage: Construction & Decoration, Furniture Diameter: 10 * 20mm/15mm*15mm - 200mm * 400mm/300mm*300mm Pipe Ends: Square Cut, Burr Removed Item Name: Square Steel Pipe MOQ: 10 Tons Trademark: LC Origin: Tangshan  Tangshan Lianchuang Steel Making Science & Technology Co., Ltd., Covering an area of 164, 000 square meters, is a comprehensive enterprise of steel deep-processing integrating ratio-frequency welded pipe, galvanized pipe, cold-rolled sheet and galvanized coil, with the annual yield capacity of 2,000, 000 tons of welded pipe, 450, 000 tons of galvanized pipe ranging from15mm*15mm/10mm*20mm-300mm*300mm/200mm*400mm, and 80, 000 tons of cold-rolled sheet with 620mm-150mm in width, 3.0mm-0.3mm in thickness. 
Q235B Black Square Pipe
Q235B Black Square Pipe
Q235B Black Square Pipe
Black Square Hollow Section Pipe
1. Size: 15mmx15mm-300x300mm
2. Material: Carbon steel
3. Factory price
4. Do small order
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


 2m-12m ,by customer's requirements


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


 Q195,Q215,Q235,Q345  St37 St52 St42 St35 

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.


          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  


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

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



1,500,000Metric Tons per Month

Delivery Detail:

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

Jack Yang
T/L: 86-18833353021


Contact us if you need more details on Steel Pipe. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Steel Tube、Square Steel Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Black Square & Rectangle Steel Pipe

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