EN10219 S355JR SHS Square Hollow Sections represent a robust and reliable solution for structural engineering challenges. Combining high yield strength, excellent weldability, and aesthetic versatility, they are indispensable in modern construction, infrastructure, and industrial manufacturing. Whether for heavy-load bearing columns or intricate architectural designs, S355JR SHS delivers performance and value
Products Description
| Product | EN10219 S355JR SHS Square Hollow Sections |
| Process | Electrical Resistance Welding |
| Standard | EN10219-1, EN10219-2 |
| Grade | S235, S275, S355... |
| Size Range | OD 1/2"–26"(21.3–660mm) for Round pipes , Sizes10x10~600x600mm for RHS SHS |
| Shape | CHS, RHS, SHS |
| Coating | Bare, black paint, galvanized, unti-rust oil |
Material Grade: S355JR
High Strength: With a minimum yield strength of 355 MPa, S355JR provides superior load-bearing capacity compared to standard grades like S235. This allows for lighter structures without compromising safety.
Impact Resistance: The "JR" suffix denotes that the material has passed impact testing at +20°C, ensuring adequate toughness for general structural applications in moderate climates.
Chemical Composition: Controlled levels of carbon, manganese, silicon, phosphorus, and sulfur ensure excellent weldability and mechanical performance.
Manufacturing Standard: EN10219
Cold-Formed Process: Produced by cold-forming steel strips into square shapes and welding the seams. This process results in tighter dimensional tolerances and smoother surface finishes compared to hot-rolled alternatives.
Structural Integrity: EN 10219 specifically covers cold-formed welded structural hollow sections, ensuring consistent quality for non-pressure structural applications.
Advantages of Square Hollow Sections (SHS)
Symmetrical Strength: SHS provides uniform resistance to bending and torsion in all directions, making it ideal for columns and struts where load direction may vary.
Aesthetic Appeal: The clean, sharp lines of square sections are visually appealing, often used in architectural designs where the structure is exposed.
Ease of Fabrication: The flat surfaces simplify connection details, welding, and painting compared to circular hollow sections.
Benefits of Choosing S355JR SHS
Cost-Efficiency: The high strength-to-weight ratio reduces the total amount of steel required, lowering material and transportation costs.
Design Flexibility: Available in a wide range of sizes and wall thicknesses to suit specific engineering needs.
Durability: When properly coated (e.g., galvanized or painted), S355JR SHS offers long service life with minimal maintenance.
Sustainability: Steel is 100% recyclable, supporting green building initiatives.
Applications
EN10219 S355JR SHS Hollow Sections are extensively utilized across multiple sectors due to their structural reliability, cost-effectiveness, and ease of integration. Primary applications include:
Structural frameworks, columns, and beams for commercial, industrial, and residential buildings.
Support systems, scaffolding, trusses, and steel framing structures.
Low-pressure fluid transportation pipelines, vessel manufacturing, and chemical processing equipment.
Machinery manufacturing, mining infrastructure, and marine or coastal construction projects
Quality Assurance
Manufacturers adhering to EN10219 standards implement rigorous quality control measures. Products are typically certified by recognized bodies such as SGS, BV, API, and ISO 9001. Each batch undergoes testing for:
Chemical Composition: Ensuring compliance with specified steel grades.
Mechanical Properties: Including tensile strength, yield strength, elongation
Non-Destructive Testing (NDT): Ultrasonic or eddy current testing of weld seams to detect internal defects
contact
Kevin
Tianjin shenzhoutong steel pipe co.,ltd
kevin@tjshenzhoutong.com
Mob/whatsapp/wechat +86 15267768016
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