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Nestled in the heart of Hamilton, Will Sheetsandplates takes pride in being your local, trusted source for top-tier steel. We specialise in supplying robust S420 sheet and plate, materials chosen for their exceptional balance of strength and reliability. Our team understands the demands of New Zealand industry, and we are committed to providing not just a product, but a solid foundation for your most important projects, backed by expert advice and a dedication to genuine service.
The S420 grade is defined by its high-strength, low-alloy composition, which contributes directly to its impressive mechanical properties. This steel is engineered to deliver a minimum yield strength of 420 MPa, offering a significant resilience against heavy loads and structural stress. It maintains good weldability and formability, making it a versatile and practical choice for fabricators who require a material that is both strong and workable for a wide range of demanding applications.
Thickness : 5 mm to 200mm
Width : Up to 3.5 meters wide
Length : Up to 3.5 meters long
Grade : S420
| Grade | C max | Si max | Mn max | P max | S max | AL max | Nb max | V max | Ti max |
| S420MC | 0.12 | 0.50 | 1.6 | 0.025 | 0.015 | 0.015 | 0.09 | 0.2 | 0.15 |
| Upper yield1) strength ReH MPa min. | Tensile strength Rm MPa | Elongation at fracture A80 % min. | Elongation at fracture A80 % min. |
| 420 | 480–620 | 16 | 19 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Will Sheets and Plates based in Hamilton, New Zealand, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
S420 steel sheets and plates offer several advantages, including excellent strength and durability, making them ideal for heavy-duty applications. Their high yield strength (420 MPa minimum) ensures reliability in structural and industrial uses, while their good weldability and formability enable easy fabrication. S420 steel also provides excellent resistance to wear and impact, ensuring long-lasting performance in demanding environments. Additionally, its cost-effectiveness and versatility make it a popular choice for construction, automotive, and manufacturing industries, where both performance and budget are critical considerations.
Yes, we offer custom sizes for S420 Sheet and Plates to meet specific project needs. Our team at Will Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
This high-strength steel is incredibly versatile, making it a go-to material for major construction projects like building frames and industrial flooring. Its durability is equally valued in the heavy transport and mining sectors for building robust truck trailers and machinery components. Across New Zealand workshops, fabricators rely on S420 to create everything from reliable storage racks to structural supports, appreciating its ability to form a strong, long-lasting backbone for equipment and infrastructure that faces tough, everyday use.
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