China develops its first 5-meter stainless steel rocket storage tank

Efe Udin

April 7, 2025

A lot of intriguing tech developments are coming out of China, placing it ahead of most parts of the world. The nation has built many “firsts”, and this has helped it to project itself above its rivals. Recent reports out of China reveal that it has successfully developed the first large-diameter stainless steel rocket storage tank, which measures 5 meters in width.

This project is part of China Aerospace Science and Tech Group Co., Ltd research. It marks a major boost in the nation’s aerospace capabilities. This feat, per IT Home, marks a big step that will help China in completing important engineering tasks in the future.

Critical component for rocket bodies

Rocket storage tanks are among the most crucial elements in rocket construction. According to the China Launch Vehicle Technology Research Institute, these tanks make up more than half the structure in terms of both mass and volume.

At the moment, there are many planned rocket missions, and each mission comes with its specific needs. The payload size and rocket specs are not the same for each mission. These changes mean that each rocket will be developed for its mission, and this often takes over six months and at least three rounds of rigorous testing.

The need for effective production has increased even more in light of China’s recent surge in rocket launches. For instance, eight 2.25 m diameter tanks are usually needed for rockets with four boosters. There have been major issues in meeting such short-term production demands. In an attempt to address these issues, the new 5 m stainless steel storage tank was released. This storage tank will increase scalability and shorten lead times.

This storage tank’s successful launch shows China’s desire to use innovation to advance its aerospace infrastructure. As the pressure to meet the demands of multiple launch missions annually grows, innovations like this one are essential. China’s ability to fulfil its ambitions in space exploration and satellite deployment will depend on its ability to deliver large-scale, high-quality parts in a timely and reliable manner.

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Source/VIA :

ITHome