China's metal structure industry
2026-09-07 20:21:31
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The deep integration of China's metal structure industry and new energy industry
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The deep integration of China's metal structure industry and new energy industry is transitioning from traditional load-bearing carriers to system level functional components. In the field of photovoltaics, cold-formed thin-walled steel (accounting for over 60%) and zinc aluminum magnesium coating technology have become the mainstream for distributed and ground power stations, achieving seamless bolt assembly and 25 year weather resistant design; The wind turbine tower is accelerated using domestically produced high-strength steel plates with a yield strength of ≥ 550MPa. The localization rate is expected to exceed 80% by 2025, supporting the safe operation of ultra-high wind turbines over 150 meters. In energy storage systems, the market size of metal structural components will reach 3.988 billion US dollars by 2025. The container shell is mainly made of aluminum alloy and high-strength steel, integrating waterproof, explosion-proof, thermal management, and seismic structures to meet IP67 and thermal runaway delay requirements. New energy vehicle battery packs achieve dual breakthroughs of 'lightweight+high safety': aluminum shell dominates square cell packaging, copper alloy busbar and bottom guard plate become a necessity for 800V high-voltage platforms due to their conductivity and penetration resistance advantages (37% higher than aluminum plate), and the new national standard GB/T 38031-2025 requires bottom impact protection and 24-hour no open flame for thermal runaway, forcing material upgrades. The industry is shifting from 'manufacturing components' to 'defining systems', and BIM and digital twins are driving design standardization. The localization rate and intelligent production line coverage continue to rise, building a solid metal framework to support the new power system.
Author：
shanghai caite international trade co.,ltd
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