ASTM A513 A36 A500 Gi Galvanize Carbon Steel/ 0.6mm-2.0mm Alloy Steel Tube Square Low-Carbon/Seamless/Welded/ Construction Engineering Rectangular Pipe

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Product Description

📋Basic Information
Model NO.
1, 2, 3, 5mm
Composition
Carbon Steel
Technique
Welded
Shape
Square Tube
Surface Treatment
Coated / Galvanized
Special Use
Wear Resistant Steel, Cold Heading Steel
Application
Boiler Plate / Construction
Material
Carbon Steel, Alloy Steel
Payment Method
TT, LC
Trade Mode
EXW, FOB, CIF, DDP
Production Capacity
500,000 Pieces
HS Code
8402900000
📦Product Description

Square tube is a hollow, elongated pipe with a square or rectangular cross-section. It is typically manufactured using steel strips or plates that are unpacked, flattened, coiled, and welded into circular tubes, which are then rolled into square shapes and cut to the required lengths. Known for its versatility, it is widely used in metal construction and engineering.

Alloy Steel Tube Square
Attribute Details
Strength High structural strength and stability
Size & Length Fully customizable according to needs
Surface Treatment Galvanizing and spraying options available
Processing Bending, stretching, stamping, and other operations
Material Premium Carbon steel, Alloy steel
Feature Good stability and strong corrosion resistance
Square Tube Detail 1
Square Tube Detail 2
Square Tube Detail 3
Square Tube Detail 4
🏭Our Professional Advantages
1
Advanced Qualifications: We hold national A-level boiler manufacturing licenses and Level 3 pressure vessel design/manufacturing licenses, ensuring high-standard production.
2
Strong R&D Team: Supported by 376 engineering and technical personnel, including 47 senior engineers, offering robust technical advantages.
3
Excellent Performance: Our products focus on thermal efficiency, environmental safety, and pollutant reduction, saving operating costs for global customers.
4
Comprehensive Service: We provide professional technical consultation, solution design, and transparent production management from procurement to delivery.
Industrial Facility
📦Packaging & Logistics

Inner Packaging: We use high-strength foam materials to wrap the components. This cushioning effectively resists impact during transportation. Each key part is individually packed in plastic film bags for moisture-proof and dust-proof protection.

Outer Packaging: Sturdy, high-quality wooden boxes are used to withstand high pressure. Boxes are customized to the size of the product to prevent shaking and damage. Clear labeling and warning signs (fragile, moisture-proof) are applied to all shipments.

Packaging Detail 1
Packaging Detail 2

Transport Services: We offer flexible shipping modes including sea freight, air freight, and international express. Once shipped, customers receive logistics tracking numbers to monitor their orders in real-time via official websites or mobile apps.

Shipping 1
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Logistics 3
Logistics 4
Frequently Asked Questions
Q1: Who are we?
We are a professional company specialized in the manufacturing and casting of boiler accessories. With over thirty years of experience, we have obtained ISO9001 and CE certifications to ensure global quality standards.
Q2: How can we guarantee quality?
We provide a pre-production sample before mass production and conduct a mandatory final inspection before every shipment to maintain high quality.
Q3: Are you a trading company or a manufacturer?
We are a professional manufacturer based in Shandong, China. We operate our own punching, forging, and casting workshops. You are welcome to visit our facilities.
Q4: Do you provide samples? Is it free or extra?
Yes, we provide samples for potential customers. The sample itself is free, though customers are responsible for the logistics/shipping fees.
Q5: What are your terms of payment?
Our standard terms are 30% T/T deposit and 70% T/T balance before shipment after a successful inspection.
Q6: What are your core advantages?
1. As a direct manufacturer, we offer competitive pricing with superior quality. 2. Our dedicated group of technical engineers provides the best ongoing support for your projects.

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