Products Description
Q265GNH Weather Resistant Steel Plate is a high-performance atmospheric corrosion-resistant structural steel specifically developed for demanding outdoor environments.
Containing 0.12–0.19% copper, 0.3–0.6% chromium, and 0.2–0.5% nickel, these alloying elements promote the formation of a uniform and dense protective rust layer on the steel surface when exposed to natural atmospheric conditions.
This layer not only imparts a rugged, distinctive appearance but also effectively slows corrosion rates, ensuring long-term stability without the need for coating.
In terms of mechanical properties, Q265GNH excels: its yield strength is ≥265 MPa, tensile strength reaches 430–560 MPa, elongation typically exceeds 22%, and impact energy at -20°C tests up to 27 J.
These specifications ensure excellent toughness and safety under low-temperature and dynamic loading conditions.
Leveraging these material properties, Q265GNH Hot Rolled Weather Resistant Steel Plate finds extensive application in railway vehicles, bridge structures, transmission towers, and containers.
It maintains stable service performance even in more challenging environments such as oil drilling platforms, port engineering, and oil/gas facilities with hydrogen sulfide exposure.
Compared to ordinary carbon steel, its service life is typically extended by 4–6 times, significantly reducing maintenance costs.
Specifications
Thickness: 1mm to 100mm
Wide: 1000mm to 4100mm
Length: 1000mm to 12000mm
Q265GNH Hot Rolled Corten Steel Plate Chemical Composition
| Grade | C Max | Si | Mn | P | S Max |
|---|---|---|---|---|---|
| Q265GNH | 0.12 | 0.1-0.4 | 0.2-0.5 | 0.07-0.12 | 0.02 |
Q265GNH Hot Rolled Weathering Steel Plate Mechanical Properties
| Grade | Yield Strength(MPa) | Tensile Strength(MPa) | % Elongation min |
|---|---|---|---|
| Q265GNH | 285-295 | 430-560 | 24 |
Q265GNH Steel Sheet Heat treatment
Hot rolled, Control rolled, normalized, quenched and tempered, cold rolled.
Application
Q265GNH High Strength Steel Plate is mainly used for the railways, vehicles, bridges, towers. Q265GNH steel is also used for containers, oil derrick, harbor construction, oil platforms and chemical petroleum equipment containing hydrogen sulfide corrosion medium container structure.
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