Description
1. Product Overview
SHS Tubes (Square Hollow Sections) are high-precision, cold-formed or hot-rolled structural steel tubes engineered for load-bearing frameworks and mechanical applications. Primarily used in construction, infrastructure, and heavy fabrication, these tubes deliver superior strength-to-weight ratios and dimensional consistency. Their strategic market importance lies in enabling capital-efficient, modular designs that reduce welding and finishing costs—directly improving project ROI for large-scale industrial buyers.
2. Key Specifications & Technical Characteristics
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Material Composition: High-grade carbon steel (ASTM A500 Grade B/C, EN 10219 S355J2H, or equivalent) with controlled carbon equivalent for weldability
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Purity / Grade: Structural-grade certified; guaranteed zero internal slag or lamination defects
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Physical Characteristics: Square cross-section; mill-finished or primed; outer edge radii ≤3x wall thickness; length tolerance ±3mm
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Dimensions: 20x20mm to 400x400mm; wall thickness 1.5mm to 16mm
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Packaging: Hexagonally bundled, steel-strapped, with weather-resistant end-caps (optional export-wrapped)
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Shelf Life: Indefinite under dry storage (no chemical degradation)
3. Core Industrial Applications
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Primary industries: Heavy civil construction, warehouse racking, agricultural machinery, modular building systems, and energy infrastructure (solar mounting structures)
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Operational use cases: Column and beam systems for pre-engineered buildings; chassis frames for material handling equipment; support pylons for conveyor systems
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Performance advantage: Uniform wall thickness eliminates weak points found in roll-formed alternatives; precise 90° corners reduce joint preparation time by up to 30% vs. standard hollow sections
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Cost efficiency: Lower paint and coating consumption due to smoother surface finish; 15% faster welding cycles compared to unequal-leg angles or channels
4. Competitive Advantages
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Quality consistency: ISO 9001:2025 certified mills with 100% ultrasonic testing on batches; traceable mill certificates (EN 10204 3.1/3.2)
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Supply reliability: Dedicated buffer stock held across three regional hubs; 98.5% on-time delivery record for ≥20MT orders
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Logistics capability: Container-optimized nesting reduces freight volume by 18% vs. loose packing
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Price competitiveness: Direct mill allocation removes 2–3 intermediary margins; volume-based rebate programs for 500MT+/year contracts
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Sustainability: 92% recycled content; EPD available; compliant with EU Carbon Border Adjustment Mechanism (CBAM) reporting
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Technical support: Free cut-optimization software and weld procedure specifications (WPS) provided
5. Commercial & Supply Information
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Minimum Order Quantity (MOQ): BULK 20MT (mix-and-match dimensions allowed within same grade)
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Loading capacity: 24–26 MT per 20ft standard container (depending on wall thickness and bundle configuration)









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