Products Description
Q310GNH Corten Steel Plate is a type of weathering steel that meets the China GB/T 4171 standard.
The plate thickness typically ranges from 6 to 50 mm, with a yield strength ≥ 310 MPa, tensile strength of 490–630 MPa, and room temperature impact energy ≥ 27 J. It possesses excellent toughness, ductility, and fatigue resistance.
As a weathering steel, Q310GNH hot rolled corten plate is widely used in vehicles, bridges, towers, containers, and other structural projects exposed to atmospheric conditions for extended periods.
It effectively resists atmospheric corrosion, extends the service life of structures, and helps reduce material consumption and maintenance costs.
Q310GNH steel plate specification
Thickness: 5-300mm
Width: 1500-3700mm
Lenght: 4000-18000mm
Heat Treatment:As rolled/Normalised
Packaging Details: Standard export seaworthy packing or as required.
Delivery Time: 30-50 days, 7 days for stock goods.
Loading Port: Shanghai ,Tianjin, Qingdao.
OfferAbility: 5000MT/Per Month.
MOQ:1 Pcs.
Mechnical property for Q310GNH corten plate
| Thickness (mm) | ||||
| Q310GNH | ≤ 16 | > 16 ≤ 40 | > 40 ≤ 60 | >60 |
| Yield strength (≥Mpa) | 310 | - | - | - |
| Tensile strength (Mpa) | 450 Min. | |||
Chemical composition for Q310GNH corten plate (Heat Analysis Max%)
| Main chemical elements composition of Q310GNH corten plate | |||||||
| C | Si | Mn | P | S | Cu | Ni | Cr |
| 0.12 | 0.10-0.40 | 0.2-0.5 | 0.07-0.12 | 0.020 | 0.25-0.45 | 0.25-0.50 | 0.30-0.65 |
Application
GB/T 4171 Q310GNH weathering steel plate has excellent atmospheric corrosion resistance and mechanical properties, making it widely used in various structural and functional engineering applications.
In addition to construction structures, machinery, containers, and furniture structures, it is also commonly used for bridge guardrails, road sign posts, railway facilities, communication and transmission towers, docks and port facilities, billboard supports, wind turbine towers, parking lot canopies, and outdoor landscape installations.
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Compared to carbon steel, Q310GNH steel sheet has better corrosion resistance in the atmosphere. Compared with stainless steel, there are only trace alloying elements, and the total phosphorus, copper, chromium, nickel, molybdenum, niobium, vanadium, titanium, etc. of alloys such as weathering steel is only a few percent.
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