YB/T 4112 Q265GNH Welded Steel Tubes With Atmospheric Corrosion Resistance For Structural Purposes
Material and Specification
The YB/T 4112 Q265GNH welded steel tubes are designed for applications requiring atmospheric corrosion resistance in structural construction. These tubes are built to withstand the challenges posed by various environmental conditions while maintaining their structural integrity.
Material
The primary material used in the production of YB/T 4112 Q265GNH welded steel tubes is Q265GNH, a weather-resistant steel known for its exceptional resistance to atmospheric corrosion. This material's unique properties make it an ideal choice for outdoor structural applications.
Specification
The specification for YB/T 4112 Q265GNH welded steel tubes includes various parameters that define their dimensions, tolerances, and performance characteristics. These specifications are crucial in ensuring the tubes meet the intended design and performance standards.
Key Features
YB/T 4112 Q265GNH welded steel tubes offer several key features that make them a preferred choice for structural purposes in challenging environments:
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Atmospheric Corrosion Resistance: Q265GNH steel is specifically designed to resist corrosion when exposed to the elements, ensuring the longevity of structures.
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High Strength: These tubes provide the necessary structural strength to support various applications, even in adverse weather conditions.
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Welded Construction: The welding process ensures a strong and seamless connection between steel components, enhancing the overall durability.
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Versatility: YB/T 4112 Q265GNH welded steel tubes can be used in a wide range of structural applications, including bridges, buildings, and outdoor installations.
Chemical Composition
The following table outlines the chemical composition of Q265GNH steel, which is a key factor in its resistance to atmospheric corrosion:
| Element | C | Si | Mn | P | S | Cr | Ni | Cu |
| Composition % | 0.17-0.24 | 0.17-0.37 | 0.80-1.30 | ≤0.030 | ≤0.030 | 0.40-0.80 | ≤0.65 | 0.25-0.55 |
Mechanical Properties
The mechanical properties of YB/T 4112 Q265GNH welded steel tubes play a crucial role in their performance. Here are the key mechanical properties:
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Test (Joules) |
| Value (min) | 325 | 265 | 23 | 40 |
Steel Grade
YB/T 4112 Q265GNH falls under the weather-resistant steel category, making it suitable for outdoor and structural applications where corrosion resistance is essential.
Application
These welded steel tubes find applications in various structural projects exposed to atmospheric conditions. Some common applications include:
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Bridges: YB/T 4112 Q265GNH tubes are used in the construction of bridges to ensure long-term structural integrity.
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Buildings: In building construction, these tubes are employed to provide the necessary strength and corrosion resistance.
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Outdoor Installations: Any outdoor structure that requires resistance to environmental corrosion can benefit from these tubes.
Possible Alternative Grades
While YB/T 4112 Q265GNH welded steel tubes are specifically designed for atmospheric corrosion resistance, there are alternative steel grades that can be considered based on specific project requirements. Some alternatives include:
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Q355NH: Offers enhanced atmospheric corrosion resistance and higher strength.
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Q345GNHL: Suitable for applications requiring excellent weldability and durability.
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Corten A/B: Popular choices for their exceptional weathering properties.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
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A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
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A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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