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square & rectangular tube
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Custom various size metal tube wholesale Hot sale 40x40 square tube

Key Features of Square Tubes:
1. Structural Stability: Uniform load distribution makes them ideal for load-bearing structures.
2. Good Weldability: Compatible with various welding processes.
3. High Precision: Accurate dimensions meet strict project requirements.
4. Versatile Surface Treatments: Options like galvanizing and painting enhance durability.
5. Wide Applications: Used in construction, machinery, shipbuilding, and more.
6. Easy to Process: Simple to cut, bend, and shape for various uses.

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Product Details

Production Process of Square Tubes:

1. Raw Material Preparation: Select suitable steel strips or plates as raw materials.
2. Forming: Gradually roll the steel strip into a square or rectangular pipe blank using a forming machine.
3. Welding: Use high-frequency resistance welding (ERW) to weld the pipe body.
4. Correction and Shaping: Ensure the square tube's angles, dimensions, and size meet standards through straightening and shaping machines.
5. Cutting: Cut the square tube to the specified length as required.
6. Surface Treatment: Perform pickling, galvanizing, or coating to enhance corrosion resistance.
7. Quality Inspection: Conduct non-destructive testing and pressure testing to check the weld and overall quality.
8.Packaging: Package and label the product according to customer requirements.
Our steel pipe products undergo rigorous quality control to ensure each pipe meets industry standards and customer requirements. No matter what your project needs, we provide the best solutions for you.


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Square Steel Tubemfv

Product Description

Item Details
Product Name Square Steel Tube/Rectangular Steel Pipe
Standard ASTM A500, ASTM A36, EN10219, EN10210, JIS G3466
Grade Q195, Q235, Q345, S235JR, S355JR
Surface Finish Pre-galvanized, Hot-dip galvanized, Black, Painted, Varnished
International Standard ISO 9001-2015, CE Certificate, BV Certificate
Packing 1. In bulk
2. Packed by steel strips
3. Woven cloth with 7 slats
4. As per customer requirements
Main Market Middle East, Africa, Asia, Europe, South America, Australia
Country of Origin China
Productivity 6,000 Tons per month
Remark 1. Payment terms: T/T, L/C
2. Trade terms: FOB, CFR, CIF, DDP, EXW
3. Minimum order: 2 tons
4. Delivery time: Within 25 days

+8615222547725

admin@sybhsteel.com

+86 15222547725