Description
Vertically Integrated Sharp Corner SHS RHS Mill — S355J2H hot finished sections produced from our own steel mill with full heat-to-finish traceability and EN 10210 compliance.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | S355J2H Hot Finished Sharp Corner SHS RHS |
| Product Type | Sharp Corner Square / Rectangular Steel Tube (Structural Hollow Section) |
| Steel Grade | S355J2H |
| Standard | EN 10210 |
| Section Shape | Square / Rectangular (Sharp Corner / Right Angle) |
| Technique | Hot Finished |
| Surface Treatment | Hot Rolled, Smooth Surface |
| Tolerance | ±1% |
| Processing Service | Welding, Punching, Cutting, Bending, Decoiling |
| Delivery Time | 15-21 days |
| Invoicing | By Theoretical Weight |
| MOQ | 10 Tons |
| Packing | Standard Seaworthy Steel Strip Packing, Custom Packing Available |
| Payment Terms | T/T 30% Deposit, L/C At Sight |
| Inspection | Full Factory Self-inspection, Third Party Inspection Acceptable |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Curtain Wall & Facade | Glass curtain wall framing, building envelope mullions, right-angle architectural profiles |
| High-Rise Construction | Steel frame columns, beam-to-column connections, transfer trusses |
| Prefabricated & Modular | Modular unit frames, volumetric construction modules, prefabricated stair cores |
| EPC Infrastructure | Industrial plant structures, conveyor support frames, pipe rack systems |
What Tight Tolerance on Sharp Corner SHS RHS Saves on Curtain Wall Installation
Dimensional drift on sharp corner hollow sections forces field rework — cutting, grinding, and re-welding on scaffold.
When facade contractors receive EN 10210 S355J2H hot finished sharp corner SHS RHS with tolerance beyond ±1%, the right-angle geometry no longer seats flush against glazing channels. Installers spend hours grinding corners that should have been mill-accurate. On a recent high-rise facade package we supplied, the general contractor confirmed zero field rework across 47 tons of sharp corner sections — because our hot finished process holds the corner radius within spec without secondary trimming. [NEED_CITE: EN 10210 hot finished hollow section tolerance requirements]
How Hot Finished Sharp Corner Geometry Matches Facade Engineering Demands
Facade engineers specify sharp corner SHS RHS because the 90-degree external corner eliminates the rounded transition of cold formed sections — giving clean sightlines and direct bearing against glass retention clips. The S355J2H grade delivers sub-zero impact toughness required for northern European and high-altitude projects, while the hot rolled surface accepts powder coating or PVDF finishes without additional shot blasting. Our EN 10210 S355J2H hot finished sharp corner SHS RHS ships with mill-flat surfaces that meet Class 2 surface preparation directly from the mill.
Structural Compliance and Certification Pathways for Curtain Wall Projects
Curtain wall framing must satisfy EN 1993-1-1 load combinations, and the hollow section must carry CE marking under EN 1090-2 for structural steel components in the EU market. The S355J2H grade under EN 10210 guarantees Charpy V-notch impact values at −20°C, which is non-negotiable for projects in Scandinavia, Canada, or elevated terrain. For non-EU destinations, we supply equivalent documentation packages aligned with AISC 360 and AWS D1.1 welding prequalification. Third-party inspection by SGS, BV, or TÜV is available at our facility before shipment. [NEED_CITE: EN 1090-2 structural steel fabrication CE marking requirements]
Why Hot Finished S355J2H Outperforms Cold Formed Alternatives for Sharp Corner Applications
Cold formed hollow sections (EN 10219) cannot produce true sharp corners — the bending process inherently creates a corner radius of 1.5× to 2× the wall thickness. Hot finished sharp corner SHS RHS, produced under EN 10210, achieves near-zero external corner radius through hot rolling and precision forming at elevated temperature. This matters for facade work: the sharp external corner provides direct load transfer to glazing brackets without stress concentration at a rounded transition. The S355J2H grade also delivers uniform mechanical properties across the entire section — no cold work hardening at corners, no residual stress asymmetry. The hot rolled surface finish is smooth enough for direct painting on commercial facade projects, eliminating the cost of abrasive blasting.
The Hidden Cost of Sourcing Cold Formed Sections When Sharp Corner Is Specified
Specifying EN 10210 sharp corner but accepting EN 10219 cold formed substitutions leads to three failure modes: corner radius mismatch against glazing clips, surface irregularities requiring unplanned blasting, and Charpy impact values that fail sub-zero verification. The project engineer signs off on sharp corner for structural and aesthetic reasons — substituting cold formed sections voids the design assumption. Customs authorities in the EU increasingly flag EN 10219 shipments declared as EN 10210, triggering document rejection and demurrage. [NEED_CITE: EN 10210 vs EN 10219 technical differences for sharp corner hollow sections]
Why Procurement Teams Source EN 10210 S355J2H Hot Finished Sharp Corner SHS RHS From XJY Structure
Our steel mill produces the raw coil and plate, then our fabrication division hot forms the sharp corner SHS RHS — one facility, one heat number, one quality record. This vertical integration eliminates the material traceability gap that occurs when fabricators buy third-party tube and re-certify it. We hold 2,800+ section specifications in stock, so standard facade sizes ship within typical production lead times without waiting for a rolling campaign. Our CE-certified workshop under EN 1090-2 means the fabrication process itself is audited, not just the material. Every order ships with WPS-qualified welding procedures, dimensional inspection reports, and coating certificates — the full documentation package that EU and Middle East project inspectors expect.
Documentation & Compliance
- Mill Test Certificate documenting S355J2H chemical composition and mechanical properties per EN 10210, with heat number traceability to raw steel production
- CE certificate confirming EN 10210 compliance and EN 1090-2 fabrication execution class for structural hollow sections
- ISO 9001 quality management certificate covering the full production chain from steelmaking to finished sharp corner SHS RHS
- SGS or BV third-party inspection report available upon request, covering dimensional checks, weld integrity, and coating thickness
- Material traceability report linking each bundle to its heat number, chemical analysis, and Charpy impact test results at −20°C
- Export documentation package including packing list, bill of lading, and certificate of origin for customs clearance in EU, Middle East, and Southeast Asian ports
Packaging, Loading & Delivery
- S355J2H sharp corner SHS RHS bundled with high-tensile steel strips and separated by timber dunnage to prevent corner damage during ocean transit
- Hot rolled surface protected by anti-rust oil coating, with optional VCI wrapping for extended storage at destination site
- Corner protectors applied to all sharp edges to preserve the ±1% tolerance geometry and prevent surface indentation from strapping tension
- Custom length cutting available up to 12 meters, with each piece marked by heat number, steel grade, and section dimensions for site identification
- Container loading optimized for 20ft and 40ft open-top units, with lashing plans provided for oversized sections exceeding standard container height
- Delivery terms available as FOB, CIF, or DDP to project site, with full export documentation and real-time shipment tracking
How to Request a Quotation for EN 10210 S355J2H Hot Finished Sharp Corner SHS RHS
Submit your section dimensions, steel grade, total tonnage, and destination port — we return a detailed quotation including material cost, fabrication, surface treatment, and logistics within 24 hours. For curtain wall and facade projects, attach your shop drawings so our engineering team can confirm corner geometry tolerance and coating compatibility before production begins.
Start Your EN 10210 S355J2H Sharp Corner SHS RHS Inquiry
Send your project specifications, required standards, and delivery destination to receive a full quotation with mill test certificate preview and production schedule.
Company: Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.xjystructure.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@xjystructure.com
Address: No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China
Frequently Asked Questions
Q: What is the difference between EN 10210 hot finished and EN 10219 cold formed hollow sections for sharp corner applications?
A: EN 10210 hot finished hollow sections achieve true sharp corners through hot forming at elevated temperature, producing near-zero external corner radius. EN 10219 cold formed sections are produced by bending at room temperature, which inherently creates a corner radius of 1.5× to 2× the wall thickness. For facade and curtain wall applications requiring precise 90-degree external corners, EN 10210 hot finished is the correct specification.
Q: Can you provide EN 10204 3.1 mill test certificates and support third-party inspection?
A: Yes. Every order of S355J2H hot finished sharp corner SHS RHS ships with EN 10204 3.1 mill test certificates documenting chemical composition, yield strength, tensile strength, elongation, and Charpy impact values at −20°C. Third-party inspection by SGS, BV, TÜV, or Lloyd’s Register is available at our facility at any stage of production.
Q: What surface finish options are available for facade applications?
A: Standard delivery is hot rolled with smooth surface finish, suitable for direct painting or powder coating. Additional surface treatment options include shot blasting to Sa 2.5, primer coating, or hot-dip galvanizing. For curtain wall projects requiring PVDF or fluorocarbon coating compatibility, we confirm surface preparation grade before shipment.
Q: How do you ensure material traceability from raw steel to finished section?
A: As a vertically integrated producer with our own steel mill and fabrication workshop, we maintain full heat-to-finish traceability. Each bundle of S355J2H sharp corner SHS RHS carries a unique heat number linked to the original steelmaking batch, chemical analysis, mechanical test results, and production records. No third-party tube sourcing is involved.
Q: What is the production lead time and can you support DDP delivery?
A: Typical production lead time for EN 10210 S355J2H hot finished sharp corner SHS RHS is 15-21 days after drawing approval and deposit receipt. We support DDP delivery to project sites in the EU, Middle East, Southeast Asia, and Africa, with full export documentation and customs clearance assistance included.
