01
Hollow Structural Section Steel Pipe for Construction and Fabrication
Product Overview
| Product | Square and Rectangular Steel Pipe |
| Material | Carbon Steel |
| Grade | Q195 = S195 / ASTM A53 Grade A |
| Q235 = S235 / ASTM A53 Grade B / ASTM A500 Grade A / STK400 / SS400 / ST42.2 | |
| Q345 = S355JR / ASTM A500 Grade B / ASTM A500 Grade C | |
| Standard | DIN 2440, ISO 65, EN10219, GB/T 6728 |
| JIS G3444, JIS G3466 | |
| ASTM A53, ASTM A500, ASTM A36 | |
| Surface | Bare / Natural black / Painted |
| Oiled with or without wrapping | |
| Ends | Plain ends |
| Specification | Square: 20×20 mm – 500×500 mm |
| Rectangular: 20×40 mm – 300×500 mm | |
| Wall Thickness: 1.0 mm – 30.0 mm | |
| Length: 2 m – 12 m |
Key Features
● High Strength-to-Weight Ratio: Hollow cross-section provides excellent load-bearing capacity while minimizing material consumption.
● Versatile Applications: Suitable for structural, mechanical, architectural, and industrial uses.
● Precise Dimensions: Manufactured to tight tolerances for consistent quality and ease of fabrication.
● Excellent Weldability: Compatible with standard welding techniques for assembly and joining.
● Multiple Finishes: Available in bare, painted, or oiled surfaces to suit different environmental conditions.
● Customizable Lengths: Can be cut to specific lengths per project requirements.
Application
| Application Area | Common Uses |
| Construction & Building | Structural support, building frameworks, architectural components |
| Structural Pipe | Load-bearing columns, trusses, industrial frameworks |
| Fence Posts | Perimeter fencing, security barriers, agricultural fencing |
| Solar Mounting Components | Support structures for solar panels and mounting systems |
| Handrail Pipe | Stair railings, balcony railings, safety barriers |