Conquest Steel & Alloys is an established S355 J2G1W corten hollow section dealer providing premium-quality square (SHS), rectangular (RHS), and round (CHS) hollow profiles from EN-grade S355 J2G1W weathering steel. The superior grade has a yield strength of ≥ 355 MPa, fine-grain toughness (J2), and improved corrosion resistance (G1); it is ideal for structural applications requiring high strength and durability.
Our S355 J2G1W corten hollow sections come in outside sizes of 20 mm to 300 mm with wall thicknesses from 2 mm to 25 mm. Weather-resistant steel of G1-grade develops a stable protective patina reducing maintenance and enhancing lifespan, while the J2 grain rating provides superior weldability and notch toughness—ideal for use in façades, structural frames, signage, pergolas, outdoor furniture, and infrastructure.
All sections are certified with EN 10204 3.1 mill test certificates, confirming mechanical and chemical characteristics. We also offer bespoke services like precision cutting, beveling, notching, welding-prep, and optional pre-weathered finishes to simplify on-site operations and speed up project delivery.
As your official S355 J2G1W corten hollow section stockist, Conquest Steel & Alloys presents you with quality-approved, high-performance hollow steel profiles that have great corrosion resistance and durable structural functionality for both functional and aesthetic projects.
Product : | S355 J2G1W Hollow Section (SHS/RHS/CHS) |
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Profiles : | Square, Rectangular, Round |
Size Range : | 20 mm – 300 mm |
Wall Thickness : | 2 mm – 25 mm |
Yield Strength : | ≥355 MPa |
Grain Grade : | J2 (Fine‑grain toughness) |
Corrosion Grade : | G1 (Weathering patina) |
Certifications : | EN 10204 3.1 Mill Test Certificate |
Weldability & Formable : | Excellent |
Custom Services : | Cutting, Beveling, Notching, Pre‑weathered |