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High grade ship and marine steel
Posted:2021-06-10 11:46:19
In recent years, China's marine engineering and shipbuilding industry has made great progress and achieved a historic leap. The scale of the industry has expanded rapidly, its comprehensive strength has been significantly enhanced, and its international status has been greatly enhanced. However, there is still a gap between China and the world's advanced shipbuilding and offshore engineering equipment design and manufacturing technology.
At present, China's shipbuilding and marine steel has been able to meet most of the demand of the domestic market, but some high-grade special steel still rely on imports. Special steel mainly refers to the steel plate with high strength, large thickness, lamellar tearing resistance, large heat input welding, corrosion resistance, ultra-low temperature toughness and high crack arrest performance. Its production process is strict, and it requires high equipment stability, so it is difficult to develop.
At present, China's shipbuilding and marine steel has been able to meet most of the demand of the domestic market, but some high-grade special steel still rely on imports. Special steel mainly refers to the steel plate with high strength, large thickness, lamellar tearing resistance, large heat input welding, corrosion resistance, ultra-low temperature toughness and high crack arrest performance. Its production process is strict, and it requires high equipment stability, so it is difficult to develop.
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