Products Description
Q550NH steel plate is a type of weather-resistant steel that is designed to resist atmospheric corrosion and provide high strength and good toughness. It is used in various applications such as bridges, buildings, and other structures that are exposed to harsh weather conditions.
The Q550NH hot rolled corten steel sheet contains alloy elements such as copper, nickel, chromium, and phosphorus, which contribute to its corrosion resistance properties. The presence of these elements forms a protective layer on the surface of the steel when exposed to the atmosphere, which helps to prevent further corrosion.
Q550NH high strength weathering steel plate has a minimum yield strength of 550 MPa and a minimum tensile strength of 620 MPa, making it a strong and durable material for structural applications. It is typically supplied in a normalized or controlled rolled condition, which improves its toughness and ductility.
In addition to its use in structural applications, Q550NH steel plate is also used in the manufacture of containers, railway rolling stock, and other outdoor equipment that requires high strength and good corrosion resistance.
Mechnical property for Q550NH corten steel
| Thickness (mm) | ||||
| Q550NH | ≤ 16 | > 16 ≤ 40 | > 40 ≤ 60 | >60 |
| Yield strength (≥Mpa) | 550 | 540 | 530 | 530 |
| Tensile strength (Mpa) | 620-780 | |||
Chemical composition for Q550NH corten steel (Heat Analysis Max%)
| Main chemical elements composition of Q550NH | |||||||
| C | Si | Mn | P | S | Cu | Ni | Cr |
| 0.16 | 0.65 | 2.00 | 0.025 | 0.030 | 0.20-0.55 | 0.12-0.65 | 0.30-1.25 |
Technical Requirements & Additional Services for Q550NH steel plate
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user's demands
♦ G101 Guide for estimating atmospheric corrosion resistance of low alloy steels
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Packaging and Transportation
Packaging Method
Each steel plate is individually coated with anti-rust oil and wrapped in heavy-duty waterproof plastic film
Plates are stacked with protective wooden spacers to prevent surface scratches and deformation
Steel edges are protected with corner guards to ensure safe handling
Transportation Securing
Steel plates are fastened with steel straps or reinforced with custom steel frames
Suitable for long-distance transport by truck, rail, or ship
Special attention is given to load balance and weight distribution to avoid shifting during transit
Protective Measures
Optional treatments include surface painting, temporary corrosion inhibitor coatings, or anti-moisture covers
Designed to withstand exposure to harsh environments during storage and transport
Custom Services
Customizable options include cut-to-length, edge chamfering, and specialized packaging for export
Packaging solutions can be tailored for projects with specific transportation conditions or storage requirements
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