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S235J0 is a carbon structural steel that complies with the European standard EN 10025 and is widely used in various engineering and construction fields. "S" stands for structural steel, "235" stands for the minimum yield strength of the steel, which is 235MPa, and "J0" stands for the impact energy value of the steel at 0°C.
S235JR is a non-alloy structural steel of European standard, equivalent to the national standard Q235B, which is a carbon structural steel with a lower carbon content. It is mostly used for welding, bolt connection and riveted structures.
SM400A steel plate is a high-quality carbon structural steel plate with excellent performance, which is widely used in construction, bridges, machinery manufacturing and other fields. Its production process includes steelmaking, continuous casting, rolling and heat treatment. The market prospect is broad. With the advancement of technology, the performance and quality will be improved, while paying attention to environmental protection and sustainable development.
SS400 is a marking method for Japanese steel materials and a judgment standard, equivalent to domestic Q235 steel (also known as A3 steel). Foreign standard structural steel is often classified by tensile strength, such as SS400 (this is how Japan marks it), where 400 means the minimum value of σb is 400MPa. Ultra-high strength steel refers to steel with σb ≥ 1373 Mpa.
Plain carbon steel plate, also known as ordinary carbon structural steel plate, is a steel with a low carbon content, usually between 0.05% and 0.22%. Due to its simple composition and low cost, plain carbon steel plate is widely used in industry and construction.
Q345NS acid resistant steel plate
Q345NS acid-resistant steel is a high-quality corrosion-resistant steel containing chromium, nickel, molybdenum and other elements to form a dense oxide film to resist acid corrosion. It has excellent mechanical and welding properties, advanced manufacturing technology and stable quality. It is widely used in chemical, petroleum, pharmaceutical and other fields to extend equipment life and reduce maintenance costs.
Q315NS acid resistant steel plate
Q315NS acid-resistant steel plate is a specially designed material, which is famous for its excellent acid resistance and is widely used in equipment and piping systems in chemical, petroleum, pharmaceutical, food and other industries.
09CrCuSb acid resistant steel plate
09CrCuSb (ie 09CRCUSB) acid-resistant steel plate is a special steel with excellent corrosion resistance and mechanical properties. It is a low-alloy, high-strength acid-resistant steel plate, mainly used in equipment manufacturing and building structures in the fields of chemical, petroleum, fertilizer, and pharmaceuticals.
The acid resistance of acid-resistant steel is mainly determined by the chemical composition of the steel (the content of elements such as Ni, Cr, Mo, Cu, and Si). Generally, acid-resistant steel has good corrosion resistance in oxidizing acids (nitric acid and sulfuric acid), but is not corrosion-resistant or not corrosion-resistant enough in reducing acids (hydrochloric acid, etc.). For example, it is not corrosion-resistant in hydrochloric acid except for very dilute solutions and at room temperature. There are brands such as 09CrCuSb, Q315NS, and Q345NS.
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