High Strength 100x100 150x150 Seamless Square Steel Pipe, Main Support Column for Warehouse and Plant Structure

Engineered for superior structural integrity, our seamless square steel pipes provide unmatched load-bearing capacity for industrial construction projects. Manufactured by Hunan Yige Special Steel, these high-strength columns deliver exceptional stability and durability for warehouse frameworks and plant structures. The seamless design eliminates weak points found in welded alternatives, ensuring uniform strength throughout the entire length. With precise dimensional accuracy and rigorous quality control, these structural tubes offer reliable performance in demanding industrial environments.

Core Technical Advantages:

• Seamless Construction: Eliminates weld seams that create structural vulnerabilities
• High Load Capacity: Designed to support multi-level storage systems
• Corrosion Resistance: Optional protective coatings available
• Dimensional Precision: ±0.5mm tolerance ensures perfect fitment
• Material Consistency: Homogenous carbon steel composition

Technical Specifications Table

Structural Benefits for Industrial Applications:

These seamless square tubes provide significant advantages for structural engineers and construction teams. The uniform cross-section distributes stress evenly, preventing localized failure points. Compared to traditional H-beams or I-beams, the closed section offers superior torsion resistance, crucial for high-rack storage systems subjected to lateral forces. Installation efficiency is enhanced through standardized connection systems compatible with various industrial joining methods.

Customization Options:

• Wall thickness adjustments from 5mm to 20mm
• Special surface treatments: galvanization or primer coatings
• Pre-cut lengths with end preparations (beveling, drilling)
• Custom packaging for international shipment

Quality Assurance & Compliance:

Our manufacturing process strictly adheres to ISO9004 and ISO14000 standards, with comprehensive quality checks at each production stage. Every batch undergoes dimensional verification, ultrasonic testing, and mechanical property validation. Material traceability is maintained through heat number documentation, ensuring full compliance with international structural steel requirements.

Why Choose Our Structural Columns:

These high-strength seamless pipes deliver long-term value through reduced maintenance requirements and extended service life. The precision manufacturing minimizes on-site adjustments, accelerating construction timelines. Available in standard 100x100mm and 150x150mm sizes, with custom dimensions available for specialized projects. Contact our engineering team today for project-specific load calculations and technical support.

Frequently Asked Questions

Q: What wall thicknesses are available for these columns?
A: Standard thickness ranges from 5mm to 20mm, with custom specifications available upon request to meet specific load requirements.

Q: Can these pipes withstand seismic activity?
A: Yes, the seamless construction provides excellent ductility and energy absorption characteristics, making them suitable for seismic zones when properly engineered.

Q: Are connection plates or brackets included?
A: Connection accessories are available as optional components. We can provide customized connection solutions based on your structural drawings.

Q: What corrosion protection options are offered?
A: We provide mill finish as standard, with hot-dip galvanization or specialized primer coatings available for enhanced corrosion resistance.

Q: How do these compare to welded square tubes?
A: Seamless construction eliminates weld imperfections, providing more consistent mechanical properties and approximately 15-20% higher fatigue strength.

Q: What is the maximum length available?
A: Standard lengths are 6m and 12m, with custom lengths up to 18m available for special applications.

Q: Do you provide technical support for structural calculations?
A: Yes, our engineering team offers complimentary load analysis and connection design consultation for qualified projects.