SPA-H is a weather-resistant steel grade that is commonly used for constructing outdoor structures, such as shipping containers, bridges, and railway vehicles. It is categorized as a corrosion-resistant steel plate based on its ability to withstand atmospheric corrosion.
The SPA-H steel plate refers to the Japanese standard JIS G3125, which specifies the technical requirements for this grade. It has excellent resistance to atmospheric corrosion, including rust formation, due to the addition of copper, chromium, and nickel elements in its composition. The steel forms a protective oxide layer on its surface, which helps to prevent further corrosion.
SPA-H steel plates are characterized by their high tensile strength and good weldability. They are often used in environments with exposure to harsh weather conditions, such as coastal areas or areas with high humidity and salt spray.
These corrosion-resistant properties make SPA-H steel plates suitable for a range of applications where durability and resistance to atmospheric corrosion are required.
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