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Black Square Steel Pipe Tube Building Material

    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 10 Ton
    Delivery Time: 15 Days
Basic Info

Model No.: API

Standard: AISI, JIS, ASTM, DIN, BS, GB

Steel Grade: 400 Series

Certification: UL, SGS, RoHS, ABS

Technique: Cold Drawn

Wall Thickness: Thick

Surface Treatment: Coated

Alloy: Alloy

Thickness:: 0.6 - 12 Mm

Outer Diameter:: 15*30-150*200mm

Additional Info

Packaging: In Bunding

Productivity: 90000Tons per month

Brand: Fixedstar

Transportation: Ocean,Land

Place of Origin: China

Supply Ability: 900000Tons Per Month

Certificate: ISO90000

HS Code: 73066100

Port: Tianjin Xingang Port,Qingdao,Shanghai

Product Description

Square Rectangular Shape Steel Tube And Pipes

Other names: Hollow steel section, Square Steel Tube, Rectangular Steel Pipe, rectangle Steel Hollow Section, galvanized steel square tube, galvanized rectangular steel pipe, square hollow steel tube
Section Shape: square and rectangular
Material: carbon steel, Q195-Q215,Q345,20#,alloy steel,ST37-2,ST52-3,S235,S355,A500,A106,A53
Standard: DIN EN 10210, DIN EN 10219, ASTM A 500 ,GB/T 3094-2000,GB/T 6728-2002
Length: 2m-12m


Dimension: 15mm*15mm-170mm*170mm


Dimension: 10mm*20mm-350mm*400mm

Wall thickness



1m-12m ,by customer`s requirements

Zinc coating

Pre-galvanized steel square tube: 60g/m2-150g/m2;

Galvanized steel square tube:200g/m2-400g/m2;






ERW Welded square tube


1.Big OD: in bulk

2.Small OD :packed by steel strips

3.woven cloth with 7 slats

4.according to the requirements of customers


Mechanical & manufacture, Steel structure,

Ship building, Bridging, Automobile chassis

Main market

Middle East, Africa, Asia and some European country and America ,Australia

Country of origin



50,000 Metric Tons pet Month


1. Payment terms : T/T ,L/C

2. Terms of trade : FOB, CFR, CIF

3. Minimum order : 10 tons

4. Lead time : on or before 20 days

square steel pipe

Looking for ideal Square Steel Pipe Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Black Square Steel Pipe are quality guaranteed. We are China Origin Factory of Tube Building Material. If you have any question, please feel free to contact us.

Product Categories : Carbon Steel Pipe > Welded Steel Tube

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