Hebei Yinghang Trade Co.,Ltd
                                                                                                           
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Galvanized Square Rectangular Carbon Steel Tube Q195 Q235 Q345

Price Negotiable
Price: USD500-800/T
MOQ: 25tons
Delivery Time: 20 days
Brand: YINGHANG
Product Description
Black Square Rectangular 5mm Carbon Steel Tube Metal Building Materials
Product Specifications
Attribute Value
Products Name Metal Building Materials Black Square And Rectangular Carbon Steel Tube
Key Words Galvanized Steel Pipe
Surface treatment Galvanized, Black Oil Surface
Thickness 0.5 - 20 mm
Section shape Square, Rectangular
Grade Q195, Q235, Q345
Application Structure Pipe, Gas Pipe
Length 1-12m
Product Description

Square pipe refers to both square and rectangular steel tubes with equal or unequal side lengths. Manufactured from rolled strip steel through processes including unpacking, leveling, crimping, and welding to form round pipes which are then shaped into square tubes and cut to required lengths.

Applications

Widely used in construction, machinery manufacturing, steel structures, shipbuilding, solar power supports, power engineering, power plants, agricultural machinery, glass curtain walls, automotive chassis, airports, boiler construction, highway railings, pressure vessels, petroleum storage tanks, bridges, power station equipment, and lifting machinery.

Detailed Specifications
Product Name Square Rectangular Pipes
Size Rectangular Tube: 10*20-120*80mm
Square Tube: 16*16-250*250mm
Length 6m or custom lengths available
Standard EN10210, EN10219, DIN17100, ASTM A36, JIS G3466
Materials Q195, Q235, Q235B, Q275, Q345B, S235, S235jr, S355, S355jr, SS400, SS330, STK490, St33, St37, St52/ ASTM A36, A53, A106
Surface Oil, bare, black paint, galvanized
Technical Specifications
Outer Diameter 1/2"~8" (20~219mm)
Thickness 0.8~2.75mm
Zinc Coating 40~275g/㎡
Tolerance OD: ±0.5mm | WT: ±0.05mm | Length: ±20mm
Material Q195, Q215, Q235, Q355, Gr.A, Gr.B, S235-JRH, STK400, STK500
Product Features
  • Corrosion resistance: Galvanized coating provides excellent rust prevention through both barrier protection and cathodic protection
  • Excellent cold bending and welding performance: Made from low carbon steel grades with good formability and weldability
  • High reflectivity: Effective heat barrier properties
  • Durable coating: Metallurgical structure withstands mechanical damage during transport and use
Available Sizes
Square Hollow Section (SHS) WT (mm) Rectangular Hollow Section (RHS) WT (mm)
16*16 0.8-1.5 20*40 0.8-2.0
19*19 0.8-2.0 25*50 0.8-2.0
20*20 0.8-2.0 30*40 0.8-2.0
25*25 0.8-2.0 30*50 0.8-2.0
Packaging & Shipping

Standard export packaging suitable for all transport methods. Available in hexagonal seaworthy bundles with steel strips or bulk packaging. Custom packaging options available upon request.

  • 20ft container: max length 5.85m without coupling, 5.8m with coupling
  • 40ft container: max length 12.0m or 6.0m in two rows
  • Bulk carrier: no length restrictions
Black square rectangular carbon steel tubes in warehouse storage Close-up view of galvanized steel pipe surface Steel pipe dimensions and specifications diagram

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hebei Yinghang Trade Co.,Ltd
Location Shijiazhuang City, Hebei, China
Contact Person Lijiafeng

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