Forged In Fire: China Creates 15-Meter, 150-Ton Steel Ring, Surpassing 1,000 °C Heat

Written by Fabio Lucas Carvalho

Published on 04/09/2025 at 07:59

Foto: Reprodução

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China Produces Forged Steel Ring Measuring 15 Meters in Diameter and Weighing 150 Tons, Molded Above 1,000 °C, Surpassing the USA and Europe.

In March 2019, the Institute of Metal Research (IMR) of the Chinese Academy of Sciences proudly announced the production of the largest and heaviest seamless forged integral ring in the world, measuring 15.6 meters in diameter and weighing 150 tons;

The result is a continuous, homogeneous, and extremely strong structure, which is essential for high-risk sectors like nuclear.

While Europe can produce seamless rings of up to 10 meters, and the United States reaches about 7 meters, China positions itself several steps ahead.

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How Manufacturing Works

The forged steel ring is created from a single steel ingot. This initial block is heated in furnaces to over 1,000 °C, reaching temperatures that allow the necessary malleability.

Then, the forging and expansion stage begins. In this process, axial and radial forces are applied under extremely high pressure. The piece is gradually stretched and expanded until the desired shape and size are achieved.

The most important thing is that all of this occurs without welds or joints. The result is a continuous ring, free of weak points that could compromise structural integrity. This homogeneity ensures reliability in critical applications.

Why the Nuclear Sector Needs This

The nuclear industry requires materials with maximum performance. Structures that are part of reactor cores cannot exhibit failures, as a problem would compromise overall safety.

In this scenario, the 15-meter forged steel ring becomes essential. It has been specifically developed to be used in fourth-generation reactors. Its function is to serve as a structural support component capable of withstanding loads of up to 7,000 tons without deformation.

Therefore, more than just a record, this represents an advancement with a direct impact on energy production and technological safety.

Silent Competition Among Powers

The Chinese achievement also reflects a global industrial rivalry. Dominating such technologies isn’t just about showcasing power; it determines which countries are prepared to build and maintain large strategic projects.

In Europe and the United States, there is established capacity in eng and metalworking. However, so far, it has not been possible to achieve diameters close to the 15 meters recorded by China.

This difference reveals the priority that the Asian country has given to investments in infrastructure and industrial innovation.

Moreover, the record has been certified by international organizations. The Guinness World Records has recorded the achievement, confirming the ring produced by Iraeta Energy Equipment as the largest ever manufactured. This places China in a prominent position, reinforcing its image as a technological power.

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Homero Pereira Fialho

#169188

05/09/2025 17:26

Americanos acordou tarde,de professores viraram alunos rebeldes, preguiçosos e exploradores

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Forged In Fire: China Creates 15-Meter, 150-Ton Steel Ring, Surpassing 1,000 °C Heat

China Produces Forged Steel Ring Measuring 15 Meters in Diameter and Weighing 150 Tons, Molded Above 1,000 °C, Surpassing the USA and Europe.

How Manufacturing Works

Why the Nuclear Sector Needs This

Silent Competition Among Powers

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Forged In Fire: China Creates 15-Meter, 150-Ton Steel Ring, Surpassing 1,000 °C Heat

China Produces Forged Steel Ring Measuring 15 Meters in Diameter and Weighing 150 Tons, Molded Above 1,000 °C, Surpassing the USA and Europe.

How Manufacturing Works

Why the Nuclear Sector Needs This

Silent Competition Among Powers

The Soviet Union spent 22 years drilling into the Earth’s crust and reached a depth of 12,262 meters — they found water where it was thought impossible, hydrogen bubbling from the rock, granite that is 2.7 billion years old, and temperatures of 180 degrees that melted the drill bits.

Gaddafi built the world’s largest artificial river under the Sahara — it’s 4,000 km of giant pipes that pump 40,000-year-old fossil water to entire cities in Libya.

A German architect built a cylindrical house in 1994 that rotates to follow the sun throughout the day, generates 5 times more energy than it consumes, and was the world’s first energy-positive house.

During works to build an artificial island in Indonesia, workers dredged 5 million cubic meters of sand from the seabed and found over 6,000 fossils from a lost continent that submerged 10,000 years ago.

A company that drilled for oil has drilled 4.8 kilometers of rock in Utah and found a never-ending heat of 290 degrees — now it is building the world’s first next-generation commercial geothermal power plant, with 100 MW connected to the grid in June 2026.

Brazil spent R$ 1.9 billion on a giant bridge to Paraguay, and it is already finished, but no one can use it properly because the access points are not ready, and traffic remains blocked months later.

The reactors of the aircraft carrier Gerald R. Ford produce 600 megawatts and could power an entire city.

As if a faucet had been opened in the ocean, warm water begins to reach Antarctica, breaks through the natural protection of the ice shelves, and intrigues scientists about the upcoming impacts on the global climate.

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As if a faucet had been opened in the ocean, warm water begins to reach Antarctica, breaks through the natural protection of the ice shelves, and intrigues scientists about the upcoming impacts on the global climate.

Brazil enters the era of engineered wood buildings alongside Canada, Sweden, Austria, and Norway, betting on a technology that promises faster construction, fewer emissions, and fire resistance that challenges concrete and steel.

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