CR270BH High-strength Low-alloy Steel

CR270BH is a type of high-strength steel plate with JIS G3135 as its execution standard. The specific chemical composition ranges are C≤0.08%, Si≤0.03%, Mn≤0.60%, P≤0.025%, S≤0.015%, Al≥0.01%, Cr≥0.20%, Ni≥0.20%, Cu≥0.20%. The tensile strength of the steel plate is 430-590MPa, the yield strength is 270-490MPa, and the elongation at fracture is ≥26%.

The main uses of this steel plate include automobile manufacturing, construction materials, electrical manufacturing, pipeline manufacturing, and various mechanical manufacturing fields. Due to its high strength and good plasticity, it is widely used in various fields that require high-strength materials. CR270BH can be in a cold-rolled or hot-rolled state.

The advantages of this steel plate mainly include high strength, good plasticity, and better corrosion resistance. Compared with other materials, this steel plate has higher strength and better plasticity, which can meet various shape and size requirements. At the same time, its corrosion resistance is also better, making it suitable for use in harsh external environments such as automobiles and construction materials.

However, this steel plate also has some disadvantages, such as relatively high prices and unsuitability for some low-cost applications. In addition, due to its high strength, its processing difficulty is relatively high, requiring specialized processing equipment and personnel to operate and manufacture.

The most common forms of this steel plate are coil and plate. Additionally, due to the differences in naming methods for steel materials in various countries, there are also differences in their grades and standards. For example, in China and Japan, the main grades and standards are:

- China Steel: CR270BH

- Japan: SPFC590, SPFC590Y, SPFC780Y, SPFC980Y, etc.

In summary, CR270BH is a widely used high-strength steel plate with high strength and good plasticity, which is widely used in automobile manufacturing, construction materials, electrical manufacturing, pipeline manufacturing, and various mechanical manufacturing fields. However, when using this steel plate, attention should be paid to issues such as price and processing difficulty to improve the quality and safety of the final product.

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• We are constantly looking for ways to improve our products and services, and we welcome feedback from our customers.
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• Over the years, we have devoted ourselves to the development and promotion of technology, focusing on breaking through a number of key core technologies.

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