Q265GNH weathering steel is a steel with atmospheric corrosion resistance by adding a small amount of alloy elements such as Cu, P, Cr, Ni, etc. to form a protective layer on the metal substrate surface.
The grade of steel is composed of "yield strength", "high weathering", or "weathering", the first letter of the Chinese phonetic alphabet "Q", "GNH" or "NH", the lower limit of yield strength and the quality grade (A, B, C, D, E).
Weathering steel refers to low alloy structural steel with protective rust layer and atmospheric corrosion resistance, which can be used to manufacture steel structures such as vehicles, bridges, towers, containers, etc. Compared with ordinary carbon steel, Q265GNH weathering plate has better corrosion resistance in the atmosphere. Compared with stainless steel, Q265GNH weathering plate has only a small amount of alloy elements, such as phosphorus, copper, chromium, nickel, molybdenum, niobium, vanadium, titanium, etc. The total amount of alloy elements is only a few percent. Q265GNH weathering plate, unlike stainless steel, reaches more than ten percent, so the price is relatively low.
KUAIMA steel company has more than ten years of experience in diversified operations and multi-product transactions, involving round bar, ship plate,weathered weathering steel plate,seamless pipe, plate, coil, wire, bright bar, pipe fittings and a wide range of carbon steel, alloy steel And more product sizes of stainless steel materials, these products we produce meet national and international quality standards, such as ASTM, ASME, DIN, JIS, ISO, etc. The company has 25 production lines for various products, with an annual output of 500,000 tons, and is committed to Provide high-quality steel products and provide supporting services and solutions for global customers. Welcome to KUAIMA steel company.
Grade | C | Si | Mn | P | S | Cu | Cr | Ni |
Q265GNH | ≤0.12 | 0.10-0.40 | 0.20-0.5 | 0.07-0.12 | ≤0.020 | 0.20-0.45 | 0.3-0.65 | 0.25-0.50 |
Q265GNH Weathering Steel Plate|Outdoor Corten Steel | |
Length | as your requirement |
Width | 0.6-3000mm or as your requirement |
Thickness | 3-100mm or as your requirement |
Standard | AISI ASTM DIN JIS SUS |
Technique | Hot Rolled |
Surface Treatment | according to customer requirement |
Thickness tolerance | ±0.1mm |
Material | Q265GNH,09CuP, 09CuPCrNiA, 09CrCuSb, Q355NH,Q460NH,Q345GNHL, Q355GNH, Q345GNH, Q295NH, Q310GNH, Q345NH, Q235NH, Q500NH, Q235GNH, Q265GNH, Q295GNH, Q450NQR1,S355J0W, S355J2WP, S355J2W, S235J0W, SPA-HB480GNQR |
Application | High strength weathering steel has been used in bridge engineering.It can also be used in the floor board,containers, power plant chimneys, railway engineering and other outdoor steel, such as large outdoor sculpture steel. |
MOQ | 5TON |
Shipment Time | Within 15-20 workdays after receiving deposit or L/C |
Export Packing | Waterproof paper, and steel strip packed. |
Due to its excellent corrosion resistance, weathering steel has been widely used in steel structures such as buildings, vehicles, bridges, towers, etc. There are three main ways to use weathering steel: bare use, coating use and rust layer stabilization.
1. Exposed use:
The most common use of weathering steel is exposed. Generally, after 3 to 10 years, the rust layer on the surface of weathering steel gradually stabilizes, the corrosion development slows down, and the appearance is beautiful chocolate color.
Because the stabilization process of the rust layer of the weathering steel is affected by the chemical composition of the steel, the use environment, the stagnant water and dust in the structural details, and the mechanical wear and other conditions, if improperly used, the formation conditions of the stable rust layer will be damaged, and the weathering steel will also produce serious corrosion.
2. Application of coating:
In many departments such as buildings, bridges, vehicles, etc., weathering steel, like ordinary steel, is mostly used for coating. Compared with ordinary steel, the coated weathering steel shows excellent corrosion resistance. However, due to the increased use cost and operation process, it is difficult to apply coating to large components generally.
3. Use after stabilization:
At the beginning, a treatment is carried out on the surface of the components to shorten the formation process of the stable rust layer of the weathering steel, which can not only avoid the phenomenon of yellow rust liquid sagging in the initial use of the weathering steel, prevent pollution, but also form a stable rust layer. Although the exposed use is an economic and unique use method of the weathering steel, it takes a long time to complete the stabilization process of the rust layer in the natural environment, Before the formation of stable rust layer, the early rust liquid sagging and scattering often pollute the surrounding environment.
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Weathering Steel are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry
oil and gas
Kuaima Steel provides a complete set of equipment and installations for drilling, transportation and storage in the oil and gas industry.
energy
Kuaima Steel serves the entire service cycle of power generation and synchronous activities in design, construction, repair and maintenance.
construction
Kuaima Steel provides comprehensive products and services for infrastructure, bridges, pipelines, etc.
marine
Kuaima Steel is a trusted supplier for subsea to surface operations and shipbuilding operations.
Weathered weathering steel plates are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry
oil and gas
Kuaima Steel provides a complete set of equipment and installations for drilling, transportation and storage in the oil and gas industry.
energy
Kuaima Steel serves the entire service cycle of power generation and synchronous activities in design, construction, repair and maintenance.
construction
Kuaima Steel provides comprehensive products and services for infrastructure, bridges, pipelines, etc.
marine
Kuaima Steel is a trusted supplier for subsea to surface operations and shipbuilding operations.
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