Largest seamless rolled steel ring (prototype)
- Who
- raeta Energy Equipment Co., Ltd.
- What
- 21.029 metre(s)
- Where
- China (Jinan)
- When
- 26 January 2026
The largest seamless rolled steel ring (prototype) is 21.029 meters (68 ft 12 in) and was achieved by Iraeta Energy Equipment Co., Ltd. (China) in Shanghai, China, as verified on 26 January 2026
The record holder is "Iraeta Energy Equipment Co., Ltd. (China), a manufacturing concern specializing mainly in a diversified range of products within the forgings industry.